This 3/4 by 3/4 in. lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead free brass body construction, with two plastic replaceable check valves, and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 BAR).

• Lead free brass body for durability
• Can be installed vertically or horizontally
• Compact design
• Meets ANSI/ASSE Standard 1024
• 3/4 in. union female NPT inlet x female NPT outlet
• Designed for non-health hazard residential water system containment

This 3/4 in. lead free brass water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, a solder union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degree F (0.5 to 71 degree C). Suitable for up to 300 psi (20.7 BAR), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

• Solder union inlet by NPT female outlet
• Sealed spring cage with stainless steel cage screws
• Integral stainless steel strainer removable for cleaning
• Replaceable seat module
• Suitable for up to 300 psi
• Pressure range can be adjusted from 25 to 75 psi
• Temperature range is 33 to 160 degree F
• Designed to reduce incoming water pressure to protect plumbing systems
• Designed to reduce water consumption for commercial, industrial and residential applications
• Standard setting at 50 psi

This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).

• Bronze body for durability
• Threaded connections
• Strainer screen
• Horizontal or vertical installation
• Maximum pressure is 100 psi
• One pre-assembled unit of fill valve and backflow preventer

This 1 in. lead free brass water pressure reducing valve is the standard model, designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, NPT threaded female union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degree F (0.5 to 71 degree C). Suitable for up to 300 psi (20.7 BAR), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

• NPT threaded female union inlet by NPT female outlet
• Sealed spring cage with stainless steel cage screws
• Integral stainless steel strainer removable for cleaning
• Replaceable seat module
• Suitable for up to 300 psi
• Pressure range can be adjusted from 25 to 75 psi
• Temperature range is 33 to 160 degree F
• Designed to reduce incoming water pressure to protect plumbing systems
• Designed to reduce water consumption for commercial, industrial and residential applications
• Standard setting at 50 psi

Watts 3/4 IN 374A Iron Boiler Pressure Relief Valve, 30 psi, Forged Brass Inlet Features A Flood Sensor With Sentryplus Alert Technology To Detect Excessive Water Discharges From The Relief Valve Requires purchase of activation kit to activate sensor Iron body with forged bronze inlet 550,000 BTU/hr rating Non-metallic disc-to-metal seating Set pressure 30 psi Mfg #F358553

• Features A Flood Sensor With Sentryplus Alert Technology To Detect Excessive Water Discharges From The Relief Valve
• Requires purchase of activation kit to activate sensor
• Iron body with forged bronze inlet
• 550,000 BTU/hr rating

This 1/8 in. automatic air vent valve is used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with male NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug, and automatic vent. It has a high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. It can be disassembled for inspection and cleaning. The maximum pressure is 150 psi (10 BAR).

• Body and cover are brass construction
• Air vent with silicon rubber seal
• Float is high temperature resistant polyethylene
• Suitable for use with glycol systems
• Can be disassembled for inspection and cleaning
• Provides automatic air venting for hot or cold water distribution systems
• Purge air that may be in the water system
• Minimum working pressure is 1.45 psi
• Maximum working pressure is 150 psi
• Temperature range is 33 to 240 degree F

This 3/4 inch lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. This two-in-one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with extended shank to accommodated up to 1 3/4 IN of insulation, NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is set at 150 psi (10.3 bar).

• Lead free copper alloy body construction
• Extended shank for thick tank insulation up to 1 3/4 inches
• 3/4 IN male NPT inlet with pre-applied thread sealant
• ASME rated and CSA listed
• Pressure relief range is 75 to 150 psi
• ASME rated, CSA Listed
• Extension thermostat with thermo-bonded coating
• Used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr
• ANSI Z21.22 certified
• Includes test lever and stainless steel spring

This 3/4 in. lead free temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU per hour. This two in one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a lead free copper alloy body with NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 degree (99 degree C) and the pressure relief is set at 125 psi (8.6 BAR).

• Lead free copper body construction
• Unique thermostat with special thermo-bonded coating
• Protects against excessive temperature and pressure during emergency conditions
• Temperature relief is 210 degree F (99 degree C)
• Pressure relief set at 125 psi
• ASME rated, CSA listed
• 3/4 in. NPT male inlet and NPT female outlet connections
• Used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr
• ANSI Z21.22 certified
• Automatic reseating

This 1/2 in. bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 in. union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).

• Pre-assembled unit
• Solder connection
• All bronze, union solder x female NPT
• High capacity fill
• 100 PSI Maximum pressure
• Used in commercial and residential hydronic heating systems

This 3/4 inch lead free reduced pressure zone assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a lead free bronze body, 3/4 inch NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.

• Lead free bronze body construction for durability
• 3/4 NPT inlet and outlet connections
• Quarter turn full port resilient seated ball valve shutoffs
• Single access cover and modular check construction for the ease of maintenance
• Top mounted test cocks and two in-line independent check valves
• Replaceable check seats with an internal relief valve for reduced space requirements
• Large body passages provides a low pressure drop
• Captured springs for safe maintenance
• Internal relief valve for reduced installation clearances

This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a lead free bronze body, 1 inch NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.

• Lead free bronze body construction for durability
• NPT inlet and outlet connections
• Quarter turn full port resilient seated ball valve shutoffs
• Single access cover and modular check construction for the ease of maintenance
• Large body passages provides a low pressure drop
• Captured springs for safe maintenance
• Internal relief valve for reduced installation clearances
• Replaceable seats for an economical repair
• Test cocks are screwdriver slotted

This air gap for reduced pressure zone assembly, 1/2 in. series 009, 3/4 in. series 009M2 and 009M3 and 1/2-1 in. series 995, provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. The installation of an air gap and drain line are recommended on reduced pressure zone assemblies. It can be installed vertically or horizontally (vent elbow required for vertical installation).

• For reduced pressure zone assemblies
• Designed for use on 1/2 in 009, 3/4 in. 009M2 and 009M3, 1/2-1 in 995 sizes
• Nuisance discharge
• Metal construction
• Durable coating
• Provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel
• Recommended on reduced pressure zone assemblies
• Can be installed vertically or horizontally
• Vent elbow required for vertical installation
• Hardware for installation included

This 1/2 in. lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead free brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.

• Lead free construction
• Low profile
• Maximum temperature 250 degree
• Maximum steam pressure 15 psi
• This valve automatically allows air to enter into the piping system to prevent vacuum conditions
• Ideal for use in domestic water heaters and supply tanks

This 1/2 in. lead free brass water pressure reducing valve is the standard model, designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, NPT threaded female union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degree F (0.5 to 71 degree C). Suitable for up to 300 psi (20.7 BAR), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

• NPT threaded female union inlet by NPT female outlet
• Sealed spring cage with stainless steel cage screws
• Integral stainless steel strainer removable for cleaning
• Replaceable seat module
• 1/2 in. NPT threaded female union inlet by NPT female outlet
• Pressure range can be adjusted from 25 to 75 psi with the standard setting at 50 psi

This 1 by 1 in lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead free brass body construction, 1 in. NPT threaded female union inlet and 1 in. NPT threaded female outlet, with two plastic replaceable check valves, and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 BAR).

• Lead free brass body for durability
• Can be installed vertically or horizontally
• Compact design
• Meets ANSI/ASSE Standard 1024
• 1 in. union female NPT inlet x female NPT outlet
• Designed for non-health hazard residential water system containment

This 1 in. lead free brass water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, a solder union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degree F (0.5 to 71 degree C). Suitable for up to 300 psi (20.7 BAR), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

• Solder union inlet by NPT female outlet
• Sealed spring cage with stainless steel cage screws
• Integral stainless steel strainer removable for cleaning
• Replaceable seat module
• Suitable for up to 300 psi
• Pressure range can be adjusted from 25 to 75 psi
• Temperature range is 33 to 160 degree F
• Designed to reduce incoming water pressure to protect plumbing systems
• Designed to reduce water consumption for commercial, industrial and residential applications
• Standard setting at 50 psi

Use this 1/2 in. hot water extender mixing valve with your boilers and water heaters. This valve features a dial adjustment cap, stainless still springs, solder connections, thermostat and a lead-free brass body. It is hydraulically operated and opens a spring-loaded check in the cold water inlet to allow hot and cold water to mix. It's temperature range is 120 to 160 degrees F.

• Lead free brass body construction
• Solder connections
• Thermostat assembly is easy to maintain, remove and replace
• Dial adjustment cap
• Low pressure drop
• Adjustable knob for temperature control

This automatic vent valve is used in commercial, residential and industrial hydronic heating applications to provide automatic or manual air venting in baseboards, convectors, radiators and high points in piping systems. It consists of a 2-piece chrome plated brass body construction, stainless steel check valve, brass disc bearing cover, copper thermostat assembly, neoprene O-ring, cellulose fiber disc, replaceable cartridge and ABS heat-resistant handwheel. The cartridge can be easily maintained or replaced without system shutdown. This valve is ideal for use with hot water and low pressure steam systems. The maximum pressure is 125 psi (8.6 bar).

• Chrome brass body
• Durable stainless steel check valve
• Quick venting design
• Positive shut off ball check
• Heat resistant handwheel
• Suitable for use with hot water and low pressure steam systems
• Easily maintained; replacement cartridge can be replaced without system shut down
• Designed for automatic or manual air release on baseboards and radiators
• Maximum working pressure is 125 psi
• Maximum water temperature is 240 degree F

This boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The standard pressure setting is 30psi (206.9 kPa), Pressure Range: In 5psi (34.5 kPa) increments from 30 to 150psi (2 to 10 bar) with corresponding high ratings from 650,000 to 14,370,000 BTU/hr.

• Bronze Body Construction
• Standard pressure relief setting 30 psi
• Bronze body
• For hot water heating and supply boilers
• Resists corrosive water conditions
• Protect against excessive pressures on all types of hot water heating systems

This 3/4 in. high performance water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a lead free cast copper silicon alloy body, 3/4 inch NPT threaded female union inlet x NPT female outlet, replaceable seat module and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degrees F (0.5 to 71 degree C). Suitable for up to 300 psi (20.7 BAR), the pressure range can be adjusted from 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa).

• Sealed spring cage with stainless steel cage screws
• Integral stainless steel strainer removable for cleaning
• Serviceable in line without special tools
• High temperature resistant reinforced diaphragm for hot water
• 3/4 in. NPT threaded female union inlet by NPT female outlet
• Pressure range can be adjusted from 25 to 75 psi with the standard setting at 50 psi
• Bypass feature controls thermal expansion pressure

This 3/4 in. hot water extender tempering valve is designed for domestic water supply systems and recommended for tankless heater, water heater, and solar applications installed at or near the boiler or hot water heater. It consists of a lead free brass body, solder connections, thermostat, stainless steel springs, and dial adjustment cap. The hydraulically operated thermostat opens a spring loaded check in the cold water inlet which allows cold and hot water to mix and can be replaced as a unit. The temperature range is 120 to 160 degree F (49 to 71 degree C).

• Lead free brass body construction
• Solder connections
• Thermostat assembly is easy to maintain, remove and replace
• Dial adjustment cap
• Designed for domestic water supply systems and recommended for tankless heater, water heater, and solar applications installed at or near the boiler or hot water heater
• Temperature range is 120 to 160 degree F
• High capacity for size

This 3/4 in. pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of a iron body with forged bronze inlet, non-metallic disc-to-metal seating and stainless steel spring. This valve resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and should not be used as an operating control. The pressure setting is 30 psi for applications up to 550,000 BTU/hr.

• Iron body with forged bronze inlet
• 3/4 in. female inlet
• Set pressure at 30 psi
• 550,000 BTU/hr rating
• Resists corrosive water conditions
• Designed for emergency safety relief and should not be used as an operating control

This 3/4 in. dual check valve with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a brass body with stainless steel internal parts, integral strainer, 2 durable tight seating rubber check valves, and NPT female inlet and outlet connections.

• Features an integrated strainer
• Forged brass body for durability
• Compact design
• Internal parts constructed of stainless steel
• Horizontal or vertical installation
• NPT female inlet/outlet connections
• Stainless steel internal parts

This 3/4 in. wye pattern strainer is lead free. It is designed to protect system components from dirt, rust, and other damaging debris in the piping system. It has a solid retainer cap with gasket, threaded end connections, and a 20-mesh stainless steel screen.

• Lead free construction
• Wye pattern
• Threaded end connections
• Solid retainer cap with gasket
• Protects system components for a longer system life
• Durable stainless-steel screen