Searched for "40101825"
The Concentric Vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall. This is an alternative to the standard 2 pipe intake/vent shown in the basic furnace installation instructions. 1 termination for both intake and exhaust.
- Will work for both horizontal and vertical terminations
- Bird screen is also included
- Product is to be used with all NORITZ condensing water heaters
- Please refer to installation manual for vent termination clearance requirements
- For horizontal applications
- For vertical applications
- PVC material
- Pipe in a pipe solution
- 1 termination instead of 2
- ULC-S636 approved
FlowCo is a reliable non-thermostatic water heater delivering endless hot water on demand. FlowCo is ideal for single, sensor faucets or single, metering faucets for handwashing and other fixed-flow applications. The SPEX65 has 6.5 kW and 240-Volt requirements.
- SafeStart technology
- Mounts in any orientation
- Integral 3/8 in. compression fittings
- Compact size
- Control system activates heater only on demand
- High temperature limit switch (eco - automatic energy cut-off)
- Self-diagnostics/intelligent controls
- No T and P relief valve needed (check local codes)
- Low activation flow starting at 0.25 GPM turn on (model dependent)
- InfoCue - visible LED indicator
Flow Co is a reliable non-thermostatic water heater delivering endless hot water on demand. Flow Co is ideal for single, sensor faucets or single, metering faucets for handwashing and other fixed-flow applications. The SPEX95 has 9.5 kW and 240-Volt requirements.
- Safe start technology
- Mounts in any orientation
- Integral 3/8 in. compression fittings
- Compact size
- Control system activates heater only on demand
- High temperature limit switch (eco - automatic energy cut-off)
- Self-diagnostics/intelligent controls
- No T and P relief valve needed (check local codes)
- Low activation flow starting at 0.25 GPM turn on (model dependent)
- Infocue - visible LED indicator
With more power than any tankless water heater in its class, the NR98SV series is ideal for mid-size homes with up to 4 showers depending on the specific area you are in. With its Built-in features include safety lock-out, freeze protection and high elevation adjustment. PVC cannot be used for venting. This unit has an available temperature setting of up to 140 degree F.
- Standard input - gas consumption ranges from 16,000 BTUh to 199,900 BTUh
- Capacity range - flow rates from 0.5 GPM up to 9.8 GPM
- Durable steel casing with polyester coating
- Heat exchanger - manufactured with commercial grade copper, 25% thicker piping than standard models
- Available temperature settings up to 140 degree
- Cold water connection size: 3/4 in.
- Hot water connection size
- Power supply 120-Volt AC (60 Hz)
- Exhaust vent material requirements category III stainless steel
- Exhaust vent diameter requirements 4 in.
FlowCo is a reliable non-thermostatic water heater delivering endless hot water on demand. FlowCo is ideal for single, sensor faucets or single, metering faucets for handwashing and other fixed-flow applications. The SPEX3512 has 3.5 kW and 120-Volt requirements.
- SafeStart technology
- Mounts in any orientation
- Integral 3/8 in. compression fittings
- Compact size
- Control system activates heater only on demand
- High temperature limit switch (ECO - automatic energy cut-off)
- Self-diagnostics/intelligent controls
- No T and P relief valve needed (check local codes)
- Low activation flow starting at 0.25 GPM turn on (model dependent)
- InfoCue - visible LED indicator
Featuring an integrated recirculation pump and heat exchangers composed of high quality stainless steel, the NRCR is designed to provide homeowners with reliable and faster hot water for years to come. The NRCRs revolutionary burner control eliminates issues with high incoming water temperatures in the summer by reducing effective BTU output to less than 5,000 BTU, an industry first. Noritz' NRCR models feature an integrated recirculation pump, stainless steel heat exchangers with 15 year warranty, and are the only units with a pump that is flex vent capable.
- NRCR features a 0.95 UEF rating, making it one of the most efficient units in the industry
- NRCR units have three recirculation modes: 1. on-demand mode 2. recirculation mode 3. crossover mode
- The NRCR features a 15 year warranty on its heat exchanger, which is composed of high quality stainless steel and designed for easier serviceability.
- Revolutionary tankless water heater features a super low BTU mode with its burner control, which reduces BTU output to less than 5,000 BTU
- Built with an integrated pump allowing a 1/2 in. loop with a length of up to 200 ft. (or 3/4 in up to 500 ft.), the longest in the industry.
- NRCR has a default learning mode that adjusts to your hot water usage
- Unit is Wi-Fi-capable, which allows for wireless control from your smart device. The NWC-adapter is sold separately
- NRCR can be installed indoors or outdoors; outdoor installations require an outdoor vent cap, VC-6-1, sold separately.
- On-demand recirculation mode requires the WLB, wireless on-demand button kit, sold separately.
- Crossover recirculation mode requires a crossover bypass valve kit (CSV-BPK), sold separately
RE199eN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations, Rinnai products provide peace of mind with warranties that surpass the competition.
- Professional installation required, call 84-GO-Rinnai for assistance
- Uniform energy factor of 0.82
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Maximum output, minimum space, suitable for exterior in non-traditional spaces
- Venting not required
- Wi-Fi ready, requires control-r module
- Residential warranty: limited 15-year on heat exchanger, 5-year on parts, 1-year on labor (register within 90-days and receive an additional 4-years of labor coverage free a $250 value), commercial warranty: limited 8-year or 12,000 hrs. on heat exchanger, 5-year on parts, 1-year on labor (register within 90-days and receive an additional 1-year of labor coverage)
- Exterior unit
RE180iP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heater from Rinnai. Ideal for small to medium homes or remodels, compact, easy-to-install, reliable and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition. Visit https://www.rinnai.us/ for more information.
- Professional installation required; call 84-GO-Rinnai for assistance.
- Uniform Energy Factor of 0.82
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Maximum output, minimum space. Suitable for installation in non-traditional spaces such as crawl spaces and attics
- Wi-Fi Ready; requires control-r module
- Residential warranty: Limited 15-year on heat exchanger, 5-year on parts, 1-year on labor (Register within 90 days and receive an additional 4yrs of labor coverage FREE a $250 value). Commercial Warranty: Limited 8-year or 12,000 hrs. on heat exchanger, 5-year on parts, 1-year on labor (Register within 90 days and receive an additional 1 year of labor coverage)
- Uses 3x5 concentric venting
Rinnai Versa Vent Outdoor Vent Cap. Required For Outdoor Installation Of Rinnai Sensei Tankless Water Heaters. Fits on top of Rinnai sensei tankless water heater. Converts compatible Rinnai tankless water heaters from indoor to outdoor models. Easy to install. Gray finish. Durable construction. Covered under Rinnai's 1-year warranty. Manufactured in Japan. Mfg #RXOVC
- Required For Outdoor Installation Of Rinnai Sensei Tankless Water Heaters
- Fits on top of Rinnai sensei tankless water heater
- Converts compatible Rinnai tankless water heaters from indoor to outdoor models
- Easy to install
Rinnai SENSEI RXP199iN Condensing Tankless Water Heater-Gas Or Propane. One Model Converts From Indoor To Outdoor Installation Using Versa-Vent Outdoor Vent Cap (Sold Separately. Smart Sense Gas Valve Technology adjusts to either Natural Gas or Propane - no conversion kit required. Smart Connect via Bluetooth to your device using your smartphone and the Rinnai Central App for Quick Setup and Registration. Recirculation: with a built in pump, the RXP199iN features Smart Circ Intelligent Recirculation which learns your hot water usage patterns, schedules accordingly, and can be controlled via timers and push buttons (requires RWM200 wireless module, sold separately). Industry leading 2 in. venting up to 75 ft. Quick flush simplified flushing and lime detection. Super High Efficiency of 0.98 UEF, Meets Energy Star 5.0. 4-speed high efficiency DC recirculation pump. Residential warranty: limited 15-year on heat exchanger, 5-year on parts, 5-year on labor (Requires product to be registered within 90 days of installation or Labor Warranty defaults to 1-year). Max Temperature 140degree F. Flow rate: 0.13-11.1 GPM. Smart Home capable with purchase of Rinnai Wi-fi Module #RWM200 (sold separately). Mfg #RXP199iN
- One Model Converts From Indoor To Outdoor Installation Using Versa-Vent Outdoor Vent Cap (Sold Separately
- Smart Sense Gas Valve Technology adjusts to either Natural Gas or Propane - no conversion kit required.
- Smart Connect via Bluetooth to your device using your smartphone and the Rinnai Central App for Quick Setup and Registration
- Recirculation: with a built in pump, the RXP199iN features Smart Circ Intelligent Recirculation which learns your hot water usage patterns, schedules accordingly, and can be controlled via timers and push buttons (requires RWM200 wireless module, sold separately)
Engineered expressly for the North American residential market, the NORITZ EZ Series of high-efficiency, condensing tankless water heaters are designed to cut installation time and cost when replacing larger storage tank units. The ENERGY STAR-rated EZ models have top mounted connections, which provide installers with a wider range of tankless options. Key features of the all new EZ Series heaters include a built-in non-return valve, high grade stainless steel heat exchangers, Steady BTU Mode, a maximum venting length of 65 ft. and a Uniform Energy Factor of 0.95. NORITZ is proud to lead the industry with a 25-year heat exchanger warranty. The EZ Series heaters are the best solution for an easy tankless installation.
- Professional installation recommended
- Equipped with 2 high grade stainless steel heat exchangers that are built to last
- Common vent up to 2 EZ units with the built-in non-return valve, which allows for cost savings and eliminates the need to purchase external accessories
- Features revolutionary steady BTU mode with its burner control, which allows for optimal temperature response in conditions of low temperature rise and/or low flow rates. reduces BTU output to less than 5,000 BTU
- EZ units have a uniform energy factor (UEF) of 0.95, making it one of the most efficient units in the industry
- Unmatched performance with the industry's best heat exchanger warranty of 25 years
- Top hot and cold water connections allow for an easy tankless for tank replacement
- Heat exchangers have a greater resistance to corrosion and scale buildup than other materials, thereby boosting system life
- ENERGY STAR rated natural gas tankless water heater
- Optimizes the perfect air/fuel ratio based on demand for better efficiency with less moving parts
- Maximum venting length of 65 ft.
- Versatile venting configuration options include: outdoor vent, single vent, direct vent and 2 in./3 in. flex vent
- Vent with 2 in. or 3 in. schedule 40 PVC/CPVC, flexible PP vent materials
- Can be installed outdoors with vent cap (VC-6-1), sold separately.
- Significantly reduces carbon emissions
- Maximize your hot water usage by connecting 2 EZ units, the QC-2 quick connect cord can double hot water output (sold separately)
- Wifi compatible - NORITZ connect app is compatible with EZ units, allowing for wireless remote control of heater functions and diagnostic/maintenance reminders. Requires NWC-Adapter (sold separately)
- Manufactured in Japan
Rheem Prestige IKONIC 8.4 GPM Super High Efficiency Tankless Water Heater. Easy Set Up With Full Text Digital Display And No Dip-Switches. Field gas convertible from natural gas to LP - conversion kit included. PVC Vent runs up to 70' (2"), 150' (3"). Allows flex venting through existing B-vent up to 50'. 1/2" Gas line compatibility (subject to local code. Approved for installations in Manufactured Home (Mobile Home) environments. ). Stainless steel Primary and Secondary heat exchangers provide increased efficiency and durability. Hot-start programming ensures the unit is in a ready state between back-to-back usage, avoiding any cold water bursts. Mfg #700190
- Easy Set Up With Full Text Digital Display And No Dip-Switches
- Field gas convertible from natural gas to LP - conversion kit included
- PVC Vent runs up to 70' (2"), 150' (3")
- Allows flex venting through existing B-vent up to 50'
- 1/2" Gas line compatibility (subject to local code
- Approved for installations in Manufactured Home (Mobile Home) environments
- Stainless steel Primary and Secondary heat exchangers provide increased efficiency and durability
- Hot-start programming ensures the unit is in a ready state between back-to-back usage, avoiding any cold water bursts
- Mfg #700190
- Easy Set Up With Full Text Digital Display And No Dip-Switches
- Field gas convertible from natural gas to LP - conversion kit included
- PVC Vent runs up to 70' (2"), 150' (3")
- Allows flex venting through existing B-vent up to 50'
The NRC98 180,000 BTU Condensing Natural Gas Tankless Water Heater has a maximum of 9.8 GPM. The direct vent system allows 3 or 4 in. PVC or CPVC to be installed. This residential water heater heats water up to 140 and meets federal and state air quality standards which are below 20 PPM.
- 9.8 GPM tankless water heater provides enough hot water to run from 2 to 3 hot water appliances at 1 time
- Tankless gas water heater costs less to operate than electric models
- 12-year warranty on the heat exchanger, 5 parts, plus all Noritz models features a 1-year in-home warranty
- ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models
- Superior grade heat exchanger
- High-efficient condensing technology
- Direct vent termination
- Vents with PVC, CPVC and PP
- Energy savings
- Never run out of hot water
Welcome to ultimate efficiency. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. You can even qualify for energy efficiency rebates and tax credits. It's a smart investment for now and the future.
- ENERGY STAR qualified with uniform energy factor of 0.93
- Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Temperature lock function prevents accidental or unauthorized changes to water temperature
- Complies with south coast air quality management
- Wi-Fi ready
- Residential warranty: limited 12-year on heat exchanger, 5-year on parts, 1-year on labor
- Rinnai is changing the language in its warranty terms and conditions found in the current user installation manuals
- Can be confident in choosing to install Rinnai tankless technology in your home
- Rinnai branded accessories will ensure optimal performance of your Rinnai tankless water heater
- Rinnai branded accessories will ensure optimal performance of your Rinnai Tankless Water Heater.
The NRC111 199,900 BTU Condensing Propane Tankless Water Heater has a maximum of 11.1 GPM. The direct vent system allows 3 in. or 4 in. PVC or CPVC to be installed. This residential water heater heats water up to 140 and meets federal and state air quality standards which are below 20 PPM.
- 11.1 GPM tankless water heater provides enough hot water to run from 3 to 4 hot water appliances at 1 time
- Tankless gas water heater costs less to operate than electric models
- 12-year warranty on the heat exchanger, 5 parts, plus all Noritz models features a 1-year in-home warranty
- ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models
- Superior grade heat exchanger
- High-efficient condensing technology
- Direct vent termination
- Vents with PVC, CPVC and PP
- Energy savings
- Never run out of hot water
- Maximum flow rate of 11.1 GPM at 30 degree temperature rise
Make sure you have hot water when you need it with this EZTR40 40 Gal Tank Replacement Min 0.5 GPM Max 6.6 GPM High Efficiency Liquid Propane Gas Tankless Water Heater Kit. You can use Wi-Fi to control the temperature and to look at usage. Instructions are included for easy installation.
- Professional installation recommended
- Hot and cold water connections are located on top of the unit, not the bottom (like most tank less heaters); this positioning allows the flexible water lines used by the previous tank heater to be quickly and easily reconnected to the new unit
- Optimizes the perfect air/fuel ratio based on demand for better efficiency with less moving parts
- Greater resistance to corrosion and scale buildup than other materials, thereby boosting system life
- Noritz connect app is compatible, allowing for wireless remote control of heater functions, as well as diagnostic and maintenance reminders; the Wi-Fi adapter is sold separately on Homedepot.com
- For smaller home applications
- Flex venting to run through existing B-vent
- Saves installation time
- All venting accessories in one box
- Isolation valve kit included
- Full solution for direct tank replacement
- This unit can only be vented vertically, it cannot be vented horizontally
- Maximum flow rate up to 6.6 GPM at a 30 degree temperature rise
HomeAdvantage IIs advanced heating technology gives you hot water faster and more reliably without wasting energy. With its patented self-modulating technology, it only uses the necessary amount of energy to heat the water needed, nothing more. All of these factors come together to create big impact that is good for you and good for the environment.
- 99.8% energy efficient, 50% savings on water heating cost
- Instant, consistent and endless hot water
- Compact resistant and stylish with digital temperature control
- Smart, energy efficient and digital technology
- Control knob to adjust temperature in increments of 1
- Save Space, compact design
- Copper heater exchange with brass top
- 3/4 in. water connections for simple installation
- Residential applications
- Wall mounted with bracket provided
The NR981 199,900 BTU Natural Gas Tankless Water Heater has a maximum of 9.8 GPM. The outdoor model allows the flexibility to be installed outdoor. This residential water heater heats water up to 140 degree and meets federal and state air quality standards which are below 20 PPM.
- 9.8 GPM tankless water heater provides enough hot water to run from 2 to 3 hot water appliances at 1 time
- Tankless gas water heater costs less to operate than electric models
- 12-year warranty on the heat exchanger, 5 parts, plus all Noritz models features a 1-year in-home warranty
- ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models
- Superior grade heat exchanger
- Non-condensing technology
- Outdoor venting
- No venting required
- Energy savings
- Never run out of hot water
RE199iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations, Rinnai products provide peace of mind with warranties that surpass the competition.
- Professional installation required, call 84-GO-Rinnai for assistance
- Uniform energy factor of 0.82
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Maximum output, minimum space, suitable for installation in non-traditional spaces such as crawl spaces and attics
- Wi-Fi ready, requires control-r module
- Residential warranty: limited 15-year on heat exchanger, 5-year on parts, 1-year on labor (register within 90-days and receive an additional 4-years of labor coverage free a $250 value), commercial warranty: limited 8-year or 12,000 hrs. on heat exchanger, 5-year on parts, 1-year on labor (register within 90-days and receive an additional 1-year of labor coverage)
- Uses 3x5 concentric venting
Condensing Indoor/outdoor Tankless Water Heater Rx199in 199000 BTU
- RX199IN 199,000 BTU,
- Condensing Indoor/Outdoor Tankless Water Heater
- (Natural Gas/Propane)
- RX199iN
NORITZ is proud to introduce our most efficient tankless heaters, the next generation in tankless technology condensing heaters. This innovation utilizes a dual heat exchanger, a fusion of stainless steel and copper heat exchangers. The 100% stainless steel component captures the residual heat from the exhaust temperature to preheat the incoming water before it runs through the main copper heat exchanger. This results in dramatic reduction of carbon dioxide and increases the heaters' efficiency level to over 93%.
- This outdoor model does not require any expensive venting
- Maximum flow rate capacity of up to 11.1 GPM at 30 degree temperature rise
- Heat exchanger manufactured with commercial grade copper, 25% thicker piping than standard models
- Gas consumption ranges from 16,000 to 199,900 BTUh
- Minimum activation flow rate 0.5 GPM
- Available temperature settings up to 140 degrees Fahrenheit
- Cold water connection size 3/4 in.
- Hot water connection size 3/4 in.
- Gas connection size 3/4 in.
- Power supply 120 VAC
A major benefit for contractors looking to further streamline the tankless-for-tank replacement job is the availability of each EZ model in a bundle package for indoor installation. Each combo package includes a water heater, a single vent conversion kit, a flex vent conversion kit (25 ft. of 2 in. flex), an isolation valve kit and a startup guide. It's an all-in-one solution for a direct tank replacement. Key features of the all new EZ Series heaters include a built-in non-return valve, high grade stainless steel heat exchangers, Steady BTU Mode, a maximum venting length of 65 ft. and a Uniform Energy Factor of 0.95. NORITZ is proud to lead the industry with a 25-year heat exchanger warranty.
- Professional Installation Recommended
- EZTR50 package contains the new EZ98-DV, plus all the aforementioned components, for replacement of a 50 gal. tank water heater
- Tankless installation just got easier with the NORITZ EZ bundle pack install your EZ98DV-LP in no time with everything you need in one box
- Equipped with 2 high grade stainless steel heat exchangers that are built to last
- Features revolutionary Steady BTU Mode with its burner control, which allows for optimal temperature response in conditions of low temperature rise and/or low flow rates
- Steady BTU Mode reduces BTU output to less than 5,000 BTU
- Maximum venting length of 65 ft. when using a 2 in. vent, or 150 ft. with a 3 in. vent diameter
- EZs have a uniform energy factor (UEF) of 0.95, making it one of the most efficient units in the industry
- Unmatched performance with the industry's best heat exchanger warranty of 25 years
- Top hot-and-cold water connections allow for an easy tankless-for-tank replacement
- ENERGY STAR rated liquid propane tankless water heater
- Wifi compatible - NORITZ connect app is compatible with EZ units, allowing for wireless remote control of heater functions and diagnostic/maintenance reminders. Requires NWC-Adapter (sold separately)
- Maximize hot water usage by connecting 2 EZ units, the QC-2 quick connect cord can double hot water output (sold separately)
- EZ111 features a capacity range of 0.5 GPM - 9.8 GPM
- Unit is capable of providing up to 9.8 GPM at a 30 degree temperature rise
- Bundle kit is intended for indoor installation - to install outdoors, it is recommended to purchase the tankless unit and vent cap (VC-6-1), both of which are sold separately on Homedepot.com
The NRC661 120,000 BTU Condensing Propane Tankless Water Heater has a maximum of 6.6 GPM. The direct vent system allows 3 in. PVC or CPVC to be installed. This residential water heater heats water up to 140 degree F and meets federal and state air quality standards which are below 20 PPM.
- 6.6 GPM tankless water heater provides enough hot water to run over 1 hot water appliances at 1 time
- Tankless gas water heater costs less to operate than electric models
- 12-year warranty on the heat exchanger, 5 parts, plus all Noritz models features a 1-year in-home warranty
- ENERGY STAR qualified tankless water heater is highly efficient and uses up to 40% less energy than storage water heater models
- Superior grade heat exchanger
- High-efficient condensing technology
- Direct vent termination
- Vents with PVC, CPVC and PP
- Energy savings
- Never run out of hot water
Welcome to ultimate efficiency. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. You can even qualify for energy efficiency rebates and tax credits. It's a smart investment for now and the future.
- ENERGY STAR qualified with uniform energy factor of 0.93
- Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Temperature lock function prevents accidental or unauthorized changes to water temperature
- Complies with south coast air quality management
- Wi-Fi ready
- Residential warranty: limited 12-year on heat exchanger, 5-year on parts, 1-year on labor
- Rinnai is changing the language in its warranty terms and conditions found in the current user installation manuals
- Can be confident in choosing to install Rinnai tankless technology in your home
- Rinnai branded accessories will ensure optimal performance of your Rinnai tankless water heater