The Rheem Performance 75 Gal. Natural Gas Tall Power Vent Water Heater comes with a 75,100 BTU/hour environmentally friendly Low NOx burner that provides ample hot water for households with 5 or more people. The electronic ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 1 in. water connections are included with the water heater for easy installation.

• California and utah residents ( utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters, and if so please select an approved ULN model
• Requires standard 110-Volt electrical outlet (3-prong grounded) for installation
• 75 Gal. tank provides ample hot water for households with 5 or more people
• Delivers 110 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• Maintenance free - no filter to clean or replace
• Electronic ignition system simplifies the startup process
• Self-diagnostic gas valve monitors system performance
• Can be vented vertically or horizontally up to 100 ft. to suit any application
• Vents with PVC, CPVC or ABS
• Rated for installations up to 8,500 ft.
• Now features a brass drain valve for added resiliency & durability
• Designed for easy replacement of your existing water heater
• Meets 2015 NAECA standards

• The Rheem Classic Atmospheric 40 Gal. Natural Gas Tall Water Heater comes with a 40000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2 to 4 people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. A premium grade anode rod provides long lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.
• Rheem Professional Classic 40 Gal. Tall 40,000 BTU Residential Nat Gas Water Heater
• California Residents: Water Heater Does Not Meet Ultra-Low Nox (Uln) Emissions Requirements; Regulations Prohibit The Sale, Shipment Or Installation Of This Water Heater In Any Air Quality District That Requires Uln Water Heaters
• Exclusive Air/Fuel Shut-Off Device
• 6-Years Limited Warranty On Tank And Parts For Your Convenience
• With Protection Plus The 6-Years Limited Tank Warranty Becomes 10-Years
• More Hot Water At A Low Operating Cost
• Exclusive Rheemglas Tank Lining Resists Corrosion And Prolongs Tank Life
• Temperature And Pressure Relief Valve Included
• Easy To Light - No Matches Required
• Maintenance Free - No Filter To Clean
• Uniform Energy Factor (Uef) 0.66
• Rated For Installations Up To 5,9999 Feet Above Sea Level
• Premium Grade Anode Rod Provides Long-Lasting Tank Protection
• Low Lead Compliant
• Eco-Friendly Burner With Low Nox Design
• MFG# PROG40-40N RH62

The Rheem Performance 40 Gal. Natural Gas Tall Water Heater comes with a 36,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra-low NOx (ULN) emissions requirements; regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters; please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• Natural gas water heater costs less to operate than electric models
• Delivers 68 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• Push button ignition system simplifies the startup process
• Now features a brass drain valve for added resiliency and durability
• Rated for installations up to 8,400 ft.
• Narrow tank profile fits in a variety of indoor spaces
• 0.58 uniform energy factor indicates an energy efficient water heater
• Designed for easy replacement of your existing water heater
• Meets 2015 NAECA standards
• Meets 2015 NAECA standards

A. O. SMITH ProLine Atmospheric Vent 40-Gallon Short Natural Gas Water Heater

• Delivers 67-Gallon First Hour Rating
• 40,000 BTU input atmospheric vent design delivers up to 0.58 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Push-button piezo ignitor makes lighting pilot fast & easy
• Intelligent electronic gas control provides precise temperature control and LED status indicator
• Patented Blue Diamond glass tank lining protects against corrosion
• DynaClean automatic cleaning system protects against sediment build-up
• Stainless steel Coregard anode rod protects against corrosion longer than ordinary anodes
• Commercial-grade brass drain valve for durable and easy operation
• 6-year limited tank and parts warranty
• Mfg #100327546
• Delivers 67-Gallon First Hour Rating
• 40,000 BTU input atmospheric vent design delivers up to 0.58 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Push-button piezo ignitor makes lighting pilot fast & easy

The Rheem Performance 40 Gal. Natural Gas Short Water Heater comes with a 34,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• 40 Gal. tank provides ample hot water for households with 2-people to 4-people
• Natural gas water heater costs less to operate than electric models
• Delivers 64 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• Maintenance free - no filter to clean or replace
• Push button ignition system simplifies the startup process
• Now features a brass drain valve for added resiliency and durability
• Rated for installations up to 5,999 ft.
• Short tank profile fits in a variety of indoor spaces
• 0.58 uniform energy factor indicates an energy efficient water heater
• Meets 2015 NAECA standards
• Meets 2015 NAECA standards

The Rheem Performance Plus 50 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 3-people. to 5-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• Natural gas water heater costs less to operate than electric models
• Delivers 77 Gal. of hot water in the first hour
• 9-year limited warranty on tank and parts for your convenience
• 2-year in home labor warranty for peace of mind
• 0.64 uniform energy factor indicates an energy efficient water heater
• Maintenance free - no filter to clean or replace
• Push button ignition system simplifies the startup process
• Now features a brass drain valve for added resiliency and durability
• Designed for easy replacement of your existing water heater
• Rated for installations up to 8,500 ft.

The Rheem Performance 50 Gal. Natural Gas Short Water Heater comes with a 40,000 BTU/hour environmentally friendly Low NOx burner that provides ample hot water for households with 3-people. to 5-people. A piezo ignition system enables safe and easy startup. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• 50 Gal. tank provides ample hot water for households with 3-people to 5-people
• Natural gas water heater costs less to operate than electric models
• Delivers 86 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• 0.64 uniform energy factor indicates an energy efficient water heater
• Maintenance free - no filter to clean or replace
• Piezo ignition system for no match lighting
• Rated for installations up to 5,999 ft.
• Designed for easy replacement of your existing water heater
• Now features a brass drain valve for added resiliency and durability
• Meets 2015 NAECA standards
• Meets 2015 NAECA standards

The Rheem Performance 40 Gal. Natural Gas Tall Power Vent Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. The electronic ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and utah residents ( utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters, and if so please select an approved ULN model
• Requires standard 110-Volt electrical outlet (3-prong grounded) for installation
• 40 Gal. tank provides ample hot water for households with 2-people to 4-people
• Natural gas water heater costs less to operate than electric models
• Delivers 86 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• Now features a brass drain valve for added resiliency and durability
• 1-year in home labor warranty for peace of mind
• 0.70 uniform energy factor indicates a high efficiency gas water heater
• Maintenance free - no filter to clean or replace
• Electronic ignition system simplifies the startup process
• Self-diagnostic gas valve monitors system performance
• Can be vented vertically or horizontally up to 100 ft. to suit any application
• Vents with PVC, CPVC or ABS
• Designed for easy replacement of your existing water heater
• Meets 2015 NAECA standards

A. O. SMITH ProLine Atmospheric Vent 50-Gallon Tall Natural Gas Water Heater

• Delivers 81-Gallon First Hour Rating
• Mechanical Valve
• 40,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Push-button piezo ignitor makes lighting pilot fast & easy
• Intelligent electronic gas control provides precise temperature control and LED status indicator
• Patented Blue Diamond glass tank lining protects against corrosion
• DynaClean automatic cleaning system protects against sediment build-up
• Stainless steel Coregard anode rod protects against corrosion longer than ordinary anodes
• Commercial-grade brass drain valve for durable and easy operation
• 6-year limited tank and parts warranty
• Mfg #100290412
• Delivers 81-Gallon First Hour Rating
• Mechanical Valve
• 40,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements

The Rheem Performance Plus 40 Gal. Natural Gas Short Water Heater comes with a 38,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• 40 Gal. tank provides ample hot water for households with 2-people to 4-people
• Natural gas water heater costs less to operate than electric models
• Delivers 69 Gal. of hot water in the first hour
• 9-year limited warranty on tank and parts for your convenience
• 2-year in home labor warranty for peace of mind
• 0.58 uniform energy factor indicates an energy efficient water heater
• Maintenance free - no filter to clean or replace
• Push button ignition system simplifies the startup process
• Now features a brass drain valve for added resiliency and durability
• Designed for easy replacement of your existing water heater

A. O. SMITH ProLine XE Power Direct Vent 75-Gallon Natural Gas Water Heater

• Delivers 129-Gallon First Hour Rating
• 76,000 BTU input direct vent design delivers up to 0.68 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Automatic pilot relight system shuts reduces gas consumption and eliminates nuisance pilot outages
• Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications
• Patented Blue Diamond glass tank lining protects against corrosion
• DynaClean automatic cleaning system protects against sediment build-up
• Stainless steel Coregard anode rod protects against corrosion longer than ordinary anodes
• Commercial-grade brass drain valve for durable and easy operation
• 6-year limited tank and parts warranty
• Mfg #100304697
• Delivers 129-Gallon First Hour Rating
• 76,000 BTU input direct vent design delivers up to 0.68 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Automatic pilot relight system shuts reduces gas consumption and eliminates nuisance pilot outages

The Rheem Classic Atmospheric 50 gal. Natural Gas Tall Water Heater comes with a 38,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 3 to 5 people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. A premium grade anode rod provides long lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• Exclusive air/fuel shut-off device
• Maintenance free - no filter to clean
• 6-year limited warranty on tank and parts for your convenience
• With ProtectionPlus the 6-year limited tank warranty becomes 10-year
• Protective control system that disables the heater in the presence of flammable vapor accumulation
• Eco-friendly burner, low NOx design
• Temperature and pressure relief valve included
• Easy to light - no matches required
• Premium grade anode rod provides long-lasting tank protection
• Enhanced flow brass drain valve

The Rheem Performance 50 Gal. Natural Gas Tall Water Heater comes with a 38,000 BTU/hour environmentally friendly low-NOx burner that provides ample hot water for households with 3-people. to 5-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• 50 Gal. tank provides ample hot water for households with 3-people to 5-people
• Natural gas water heater costs less to operate than electric models
• Delivers 85 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• Maintenance free - no filter to clean or replace
• Push button ignition system simplifies the startup process
• Now features a brass drain valve for added resiliency and durability
• Rated for installations up to 8,400 ft.
• Narrow tank profile fits in a variety of indoor spaces
• 0.63 uniform energy factor indicates an energy efficient water heater
• Designed for easy replacement of your existing water heater
• Meets 2015 NAECA standards
• Meets 2015 NAECA standards

• A. O. Smith ProLine Natural Gas Water Heater. Three-Position Rotatable Blower Outlet Adds Flexibility Allowing For Easy Installation. Can Vent Horizontally And Vertically Up To 180' With 4" Dia ABS PVC Or CPVC Venting. Consult Manufacturer's Installation Manual For Complete Details. Professional-Quality Water Heater With DynaClean Blue Diamond Honeywell LED Diagnostic Gas Valve Resettable Thermal Switch Rotatable Blower And CoreGuard Anode Rod. 6-Year Warranty. ENERGY STAR Qualified. 0.70 Energy Factor. 50000 Btu. Mfg #GPVT-50L
• A. O. Smith ProLine Natural Gas Water Heater
• 50 Gal
• 22" Dia X 68.12" Height To Top Of Blower
• Top And Optional Side Water Connections For Space Heating Application And Side T&p Valve
• Not Available In Specific Aqmds In Ca
• Three-Position Rotatable Blower Outlet Adds Flexibility, Allowing For Easy Installation
• Can Vent Horizontally And Vertically Up To 180' With 4" Dia Abs, Pvc Or Cpvc Venting
• Consult Manufacturer'S Installation Manual For Complete Details
• Professional-Quality Water Heater With Dynaclean, Blue Diamond, Honeywell Led Diagnostic Gas Valve, Resettable Thermal Switch, Rotatable Blower And Coreguard Anode Rod
• 6-Year Warranty
• Energy Star Qualified
• 0.72 Energy Factor
• 50,000 Btu
• MFG# GPVT-50L

• A. O. Smith ProMax Natural Gas Water Heater. 0.60 Energy Factor - 40000 BTU. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets AQMD ULN Requirements In CA and UT - Otherwise Use 754139 Standard Water Heater. Meets 2015 NAECA Efficiency Standards. Mfg #GUC-50
• A. O. Smith ProMax Natural Gas Water Heater
• 50 Gal
• Tall
• 20" Dia X 60.75" Height To Vent Connection
• Top Water Connections And Top T&p Valve
• 0.61 Energy Factor - 40,000 Btu
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Enhanced Honeywell Gas Valve With Led Diagnostics To Ease Troubleshooting And Improve Performance
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• Meets Aqmd Uln Requirements In Ca And Ut - Otherwise, Use 754139 Standard Water Heater
• Meets 2015 Naeca Efficiency Standards
• MFG# GUC-50

• A. O. Smith ProMax Natural Gas Water Heater. Not Available In Specific AQMDs In CA. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets 2015 NAECA Efficiency Standards. 0.62 Energy Factor. 40000 Btu. Mfg #GCG-50
• A. O. Smith ProMax Natural Gas Water Heater
• 50 Gal
• Tall
• 21" Dia X 60.75" Height To Vent Connection
• Top Water Connections And Side T&p Valve
• Not Available In Specific Aqmds In Ca
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Enhanced Honeywell Gas Valve With Led Diagnostics To Ease Troubleshooting And Improve Performance
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• Meets 2015 Naeca Efficiency Standards
• 0.62 Energy Factor
• 40,000 Btu
• MFG# GCG-50

A. O. Smith ProMax Natural Gas Water Heater. 0.63 Energy Factor - 33,000 BTU. DynaClean Diffuser System Reduces Sediment Buildup, Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets AQMD ULN Requirements In CA and UT - Otherwise, Use 754137 Standard Water Heater. Meets 2015 NAECA Efficiency Standards. Mfg #GUC-30

• 30 Gal
• Tall
• 16" Dia x 61.75" Height To Vent Connection
• Top Water Connections And Top T&P Valve

The Rheem Performance Plus 40 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2-people to 4-people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model
• Natural gas water heater costs less to operate than electric models
• Delivers 84 Gal. of hot water in the first hour
• 9-year limited warranty on tank and parts for your convenience
• 2-year in home labor warranty for peace of mind
• 0.65 uniform energy factor indicates an energy efficient water heater
• Maintenance free - no filter to clean or replace
• Now features a brass drain valve for added resiliency and durability
• Designed for easy replacement of your existing water heater
• Rated for installations up to 10,200 ft.

The Rheem Performance 50 Gal. Natural Gas Tall Power Vent Water Heater comes with a 42,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 3-people. to 5-people. The electronic ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.

• California and utah residents ( utah effective 7/1/18): this water heater does not meet ultra low NOx (ULN) emissions requirements regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters. please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters, and if so please select an approved ULN model
• Requires standard 110-Volt electrical outlet (3-prong grounded) for installation
• 50 Gal. tank provides ample hot water for households with 3-people to 5-people
• Delivers 78 Gal. of hot water in the first hour
• 6-year limited warranty on tank and parts for your convenience
• 1-year in home labor warranty for peace of mind
• Electronic ignition system simplifies the startup process
• 0.68 uniform energy factor indicates a high efficiency gas water heater
• Maintenance free - no filter to clean or replace
• Self-diagnostic gas valve monitors system performance
• Can be vented vertically or horizontally up to 100 ft. to suit any application
• Vents with PVC, CPVC or ABS
• Rated for installations up to 7,700 ft.
• Designed for easy replacement of your existing water heater
• Now features a brass drain valve for added resiliency & durability
• Meets 2015 NAECA standards

• A. O. Smith ProMax Natural Gas Water Heater. Not Available In Specific AQMDs In CA. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. 0.63 Energy Factor. 35500 Btu. Mfg #GCB-30
• A. O. Smith ProLine Natural Gas Water Heater 16" D x 60.5" H
• 30 Gal
• Tall
• 16" Dia X 60.5" Height To Vent Connection
• Top Water Connections And Side T&p Valve
• Not Available In Specific Aqmds In Ca
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Enhanced Honeywell Gas Valve With Led Diagnostics To Ease Troubleshooting And Improve Performance
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• 0.6 Energy Factor
• 32,000 Btu
• MFG# GCB-30R

• A. O. Smith ProMax Natural Gas Water Heater. Not Available In Specific AQMDs In CA. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. 0.60 Energy Factor. 65000 Btu. Mfg #GCRX-50L
• A. O. Smith ProMax Natural Gas Water Heater
• 50 Gal
• Tall
• 22" Dia X 74" Height To Vent Connection
• Top And Optional Side Water Connections For Space Heating Application And Side T&p Valve
• Not Available In Specific Aqmds In Ca
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• 0.65 Energy Factor
• 60,000 Btu
• MFG# GCRX-50L

• A. O. Smith ProMax Natural Gas Water Heater. Not Available In Specific AQMDs In CA. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets 2015 NAECA Efficiency Standards. 0.62 Energy Factor 40000 Btu. Mfg #GCBL-40
• A. O. Smith ProMax Natural Gas Water Heater
• 40 Gal
• Short
• 20" Dia X 51.5" Height To Vent Connection
• Top Water Connections And Side T&p Valve
• Not Available In Specific Aqmds In Ca
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Enhanced Honeywell Gas Valve With Led Diagnostics To Ease Troubleshooting And Improve Performance
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• Meets 2015 Naeca Efficiency Standards
• 0.57 Energy Factor, 40,000 Btu
• MFG# GCBL-40

• A. O. Smith ProMax Natural Gas Water Heater. 0.55 Uniform Energy Factor - 40000 BTU. DynaClean Diffuser System Reduces Sediment Buildup Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets AQMD ULN Requirements In CA and UT - Otherwise Use 754138 Standard Water Heater. Meets 2015 NAECA Efficiency Standards. Mfg #GUC-40
• A. O. Smith ProMax Natural Gas Water Heater
• 40 Gal
• Tall
• 18" Dia X 62" Height To Vent Connection
• Top Water Connections And Top T&p Valve
• 0.64 Uniform Energy Factor - 40,000 Btu
• Dynaclean Diffuser System Reduces Sediment Buildup, Extending Tank Life
• Blue Diamond Tank Lining Provides Protection Against Leaks
• Enhanced Honeywell Gas Valve With Led Diagnostics To Ease Troubleshooting And Improve Performance
• Resettable Fvir Thermal Switch To Quickly And Easily Bring Heater Back Online
• Coreguard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life
• Full-Flow Tamper-Resistant Brass Drain Valve
• Meets Aqmd Uln Requirements In Ca And Ut - Otherwise, Use 754138 Standard Water Heater
• Meets 2015 Naeca Efficiency Standards
• MFG# GUC-40

A. O. Smith ProMax Natural Gas Water Heater. 40 Gal. Tall. 20" Dia x 61.75" Height To Vent Connection. Top And Optional Side Water Connections For Space Heating Application And Side T&P Valve. Not Available In Specific AQMDs In CA. DynaClean Diffuser System Reduces Sediment Buildup, Extending Tank Life. Blue Diamond Tank Lining Provides Protection Against Leaks. Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance. Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online. CoreGuard Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life. Full-Flow Tamper-Resistant Brass Drain Valve. Meets 2015 NAECA Efficiency Standards. 0.62 Energy Factor. 40,000 Btu. Mfg #GCR-40L

• A. O. SMITH ProLine Atmospheric Vent 40-Gallon Tall Natural Gas Water Heater
• The ProLine 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater Is Designed To Deliver An Economical Performance That Can Lower Your Energy Bills And Also Provide Long-Lasting Value
• Side T&P valve with Aluminum Anode
• Delivers 80-gallon first hour rating
• 40,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor
• Patented eco-friendly Green Choice Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
• Push-button piezo ignitor makes lighting pilot fast & easy
• Intelligent electronic gas control provides precise temperature control and LED status indicator
• Patented Blue Diamond glass tank lining protects against corrosion
• DynaClean automatic cleaning system protects against sediment build-up
• Stainless steel Coregard anode rod protects against corrosion longer than ordinary anodes
• Commercial-grade brass drain valve for durable and easy operation
• 6-year limited tank and parts warranty
• Blanket not included
• Mfg # 100361442, Model #GCR-40