Frequently Asked Questions
Troubleshooting FAQs
Hybrid Water Heaters
Rheem Professional Prestige ProTerra
Rheem Manufacturing Company
General Hot Water Heater Questions
Zwell Environmental Mission
Zwell Community Fund
Zwell FAQs
Scheduling Service with Zwell
All FAQs
- How do I contact Rheem?
- How do you replace the battery in your water heater interface?
- No or not enough hot water? Here's what to do.
- Water is too hot? Here's what to do.
- What is error A004, Compressor Shutdown: Discharge-Suction Trip?
- What is error A005, Compressor Shutdown: Discharge Temperature High?
- What is error A006, Suction Temperature Too Low?
- What is error A008, Detected Dry Fire Condition?
- What is error A009, Compressor Wiring may be Faulty?
- What is error A102, Ambient Temperature Sensor Failure?
- What is error A103, Lower Heater Temp Sensor Failure?
- What is error A104, Upper Heater Temp Sensor Failure?
- What is error A105, Evaporator Temp Sensor Failure?
- What is error A106, Discharge Temp Sensor Failure?
- What is error A107, Water Detected on Floor: Check for Leaks?
- What is error A108, Condensate Blocked: Unclog Line?
- What is error A120, Shutoff Valve Can’t Close Error?
- What is error A121, Shutoff Valve Can’t Open Error?
- What is error A122, Shutoff Valve Inputs in Error?
- What is error A123, Shutoff Valve Not Installed?
- What is error A125, Lower Element Error or Relay Stuck Closed?
- What is error A126, Upper Element Error or Relay Stuck Closed?
- What is error A127, Element Wire Routing Error?
- What is error A128, Lower Element Relay Failure to Close Error?
- What is error A129, Upper Element Relay Failure to Close Error?
- What is error A130, Unit Off/Air Temp Freezing: Enable Unit?
- What is error A200 on the Rheem Prestige heat pump water heater?
- What is error A502, Time Clock needs to be programmed?
- What is error A503, Time Clock not advancing time properly?
- What is error A504, WiFi Chip Communication Error?
- What is error A900 on the Rheem Prestige heat pump water heater?
- What is error A902 on the Rheem Prestige heat pump water heater?
- What is error A903, Controller Fault: Call Tech Service?
- What is error A904 controller fault on the Rheem Prestige heat pump water heater?
- What is error A905, Controller Fault: Call Tech Service?
- What is error A906, Power Board Temp. Protection Sensor Failure?
- What is error T005, Compressor Shutdown: Discharge Temperature High?
- What is error T009, Compressor Wiring may be Faulty?
- What is error T131, Clean Filter Reminder?
- What is error T132, Water Heater difficulty satisfying demand?
- What is error T300, Water Leak Sensor Not Installed?
- What is error T901 on the Rheem Prestige heat pump water heater?
- What is the error T006, Suction Temperature Too Low?
- What should I do if I hear a rumbling noise in my water heater?
- What to do when the relief valve in my water heater produces a popping sound?
- Does Rheem Professional Prestige ProTerra need insulation blankets?
- How do I drain the water heater tank and how long does it typically take?
- How long is the warranty on the Rheem ProTerra line of water heaters and what does the warranty cover?
- Is the refrigerant used in this water heater environmentally friendly?
- What does zero clearance requirement for Rheem water heaters mean?
- Are my Zwell Community Fund™ Contributions Tax-Deductible?
- Are Sengled Element Classic LED bulbs compatible with Sengled Element Hub or other smart lighting hubs?
- Can Element Classic bulbs be used simultaneously with other Sengled Element bulbs?
- Can I donate more to the Zwell Community Fund?
- Can I use a water heater booster with my hybrid water heater?
- Can Sengled Element Classic LED bulbs be used in sockets with dimmers?
- Can the Sengled Element Classic LED bulb be used outdoors?
- Do heat pump water heaters make the room cold?
- Does Rheem Professional Prestige ProTerra need insulation blankets?
- Does Zwell (or any of Zwell’s suppliers) operate in conflict zones?
- Does Zwell offer financing?
- Does Zwell sell or provide access to customers' or user data?
- Hot water tempering valve, what is it and do I need it?
- How do I contact Rheem?
- How do I drain the water heater tank and how long does it typically take?
- How do you replace the battery in your water heater interface?
- How does Rheem treat its employees and subcontractors?
- How is Zwell organized and what is the company’s operating history?
- How long is the installation time?
- How long is the warranty on the Rheem ProTerra line of water heaters and what does the warranty cover?
- How much noise does the Rheem hybrid water heater make?
- Is the refrigerant used in this water heater environmentally friendly?
- Is the Zwell Community Fund™ a Non-Profit Company?
- No or not enough hot water? Here's what to do.
- Rheem ProTerra Hybrid Heat Pump Water Heater Installation Guide - Revised
- Richmond Whole Home 36kW Model water heater not heating at all?
- Water heater preventive maintenance I should remember
- Water is too hot? Here's what to do.
- What actions are advised if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A121?
- What actions are advised if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code A905?
- What actions are advised if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code T901?
- What actions are advised if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A502?
- What actions are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A104?
- What actions are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code T504?
- What actions are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A102?
- What actions are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A903?
- What actions should I take if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A009?
- What actions should I take when my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code T131?
- What actions should I undertake if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code A200?
- What are seismic straps and do I need them?
- What are Zwell’s employment practices?
- What do the various LED statues mean on my Span Panel 2nd Generation 1-00800 and what should I do?
- What does it mean when my Whirlpool Hybrid Electric Heat Pump Water Heater displays "HPO" on the user interface?
- What does it mean when my Whirlpool Hybrid Electric Heat Pump Water Heater displays "ICE" on the user interface?
- What does it mean when my Whirlpool Hybrid Electric Heat Pump Water Heater displays “-”,”--”,”---” on the user interface?
- What does the alarm code A004 mean on my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit)?
- What does the GE® Tankless Electric Water Heater fault code E0 mean?
- What does the GE® Tankless Electric Water Heater fault code E1 mean?
- What does the GE® Tankless Electric Water Heater fault code E3 mean?
- What does the GE® Tankless Electric Water Heater fault code E4 mean?
- What does zero clearance requirement for Rheem water heaters mean?
- What hybrid heat pump water heater rebate and tax incentives are available?
- What is a thermal expansion tank and do I need one?
- What is condensate and how do I properly drain condensate?
- What is ducting air and when do you need it?
- What is EcoNet®
- What is error A004, Compressor Shutdown: Discharge-Suction Trip?
- What is error A005, Compressor Shutdown: Discharge Temperature High?
- What is error A006, Suction Temperature Too Low?
- What is error A008, Detected Dry Fire Condition?
- What is error A009, Compressor Wiring may be Faulty?
- What is error A101, Suction Temperature Sensor Failure?
- What is error A102, Ambient Temperature Sensor Failure?
- What is error A103, Lower Heater Temp Sensor Failure?
- What is error A104, Upper Heater Temp Sensor Failure?
- What is error A105, Evaporator Temp Sensor Failure?
- What is error A106, Discharge Temp Sensor Failure?
- What is error A107, Water Detected on Floor: Check for Leaks?
- What is error A108, Condensate Blocked: Unclog Line?
- What is error A120, Shutoff Valve Can’t Close Error?
- What is error A121, Shutoff Valve Can’t Open Error?
- What is error A122, Shutoff Valve Inputs in Error?
- What is error A123, Shutoff Valve Not Installed?
- What is error A125, Lower Element Error or Relay Stuck Closed?
- What is error A126, Upper Element Error or Relay Stuck Closed?
- What is error A127, Element Wire Routing Error?
- What is error A128, Lower Element Relay Failure to Close Error?
- What is error A129, Upper Element Relay Failure to Close Error?
- What is error A130, Unit Off/Air Temp Freezing: Enable Unit?
- What is error A200 on the Rheem Prestige heat pump water heater?
- What is error A502, Time Clock needs to be programmed?
- What is error A503, Time Clock not advancing time properly?
- What is error A504, WiFi Chip Communication Error?
- What is error A900 on the Rheem Prestige heat pump water heater?
- What is error A902 on the Rheem Prestige heat pump water heater?
- What is error A903, Controller Fault: Call Tech Service?
- What is error A904 controller fault on the Rheem Prestige heat pump water heater?
- What is error A905, Controller Fault: Call Tech Service?
- What is error A906, Power Board Temp. Protection Sensor Failure?
- What is error T005, Compressor Shutdown: Discharge Temperature High?
- What is error T009, Compressor Wiring may be Faulty?
- What is error T131, Clean Filter Reminder?
- What is error T132, Water Heater difficulty satisfying demand?
- What is error T300, Water Leak Sensor Not Installed?
- What is error T901 on the Rheem Prestige heat pump water heater?
- What is Rheem’s environmental mission?
- What is the CTA adaptor?
- What is the error T006, Suction Temperature Too Low?
- What is the ideal location to install the water heater?
- What is the LeakGuard™ and how does it work?
- What is the LeakGuard™ found on the Rheem ProTerra line of water heaters and how does it work?
- What is the payback period for a hybrid water heater?
- What is the quick-release valve in Rheem water heater?
- What is the Self Check system and how does it work?
- What is vacation mode and when to use it?
- What is Zwell's environmental mission?
- What non-profit organizations does Zwell support?
- What operating options does the Rheem ProTerra have?
- What should I do if I encounter other issues with my Whirlpool Hybrid Electric Heat Pump Water Heater, such as it not starting immediately or the heat pump not running in Efficiency mode?
- What should I do if I hear a rumbling noise in my water heater?
- What should I do if I'm experiencing high operation costs with my Whirlpool Hybrid Electric Heat Pump Water Heater?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A005?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A107?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code T005?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) has a relief valve producing popping noise or draining?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) has a rumbling noise?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) has not enough or no hot water?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code A101?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code A105?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) indicates Alarm Code A120?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A503?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A902?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A906?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A006?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A122?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A130?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code T009?
- What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) water is too hot?
- What should I do if my Span Panel 2nd Generation 1-00800 isn't communicating with the Span Installer App?
- What should I do if my Span Panel 2nd Generation 1-00800 isn't communicating with the Span Installer App?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E10" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E11" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E20" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E21" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E30" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E31" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E40" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E40" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E50" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "E51" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "ECC" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "ECF" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "ECL" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "EDH" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "Edr" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "EEE" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "ELC" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "EoF" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "EPL" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "EUC" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater displays the "SF" error code?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater is not producing hot water?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater provides insufficient hot water or has slow hot water recovery?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater provides insufficient hot water or has slow hot water recovery?
- What should I do if the GE® Tankless Electric Water Heater has no hot water?
- What should I do if the GE® Tankless Electric Water Heater's digital display is not activated?
- What should I do if the GE® Tankless Electric Water Heater's hot water supply is warm, but it does not get hot?
- What should I do if the GE® Tankless Electric Water Heater's remote control is not working?
- What should I do if the GE® Tankless Electric Water Heater's water is too hot?
- What should I do if the GeoSpringTM Solar Water Heater is not producing enough or no hot water?
- What should I do if the water from the GeoSpringTM Solar Water Heater is too hot?
- What should I do if there's a drip from the Temperature & Pressure Relief Valve on my Whirlpool Hybrid Electric Heat Pump Water Heater?
- What should I do if there's water dripping down the outside of the GeoSpringTM Solar Water Heater?
- What should I do with my water heater if my house experiences any flood, fire, earthquake or other physical damage?
- What steps are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A123?
- What steps are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A106?
- What steps are recommended if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A108?
- What steps should I consider if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) displays Alarm Code A904?
- What steps should I consider if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code T300?
- What steps should I consider if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code A900?
- What steps should I consider if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) shows Alarm Code T132?
- What steps should I take if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code A103?
- What steps should I take if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) presents Alarm Code T006?
- What temperature should I set my water heater to?
- What to do when the relief valve in my water heater produces a popping sound?
- When would I use the 15 AMP model vs. the 30 AMP model?
- Where are Rheem hybrid water heaters manufactured?
- Who are the beneficiaries of the Zwell Community Fund™?
- Why is the combined non-return/safety valve producing a popping sound or draining on my GeoSpringTM Solar Water Heater?
- Why is the water not filling the GeoSpring Solar Water Heater?
Featured Articles
Newest Articles
- What should I do if I encounter other issues with my Whirlpool Hybrid Electric Heat Pump Water Heater, such as it not starting immediately or the heat pump not running in Efficiency mode?
- What should I do if there's a drip from the Temperature & Pressure Relief Valve on my Whirlpool Hybrid Electric Heat Pump Water Heater?
- What should I do if I'm experiencing high operation costs with my Whirlpool Hybrid Electric Heat Pump Water Heater?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater provides insufficient hot water or has slow hot water recovery?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater is not producing hot water?
Recently Updated Articles
- What should I do if there's a drip from the Temperature & Pressure Relief Valve on my Whirlpool Hybrid Electric Heat Pump Water Heater?
- What should I do if I encounter other issues with my Whirlpool Hybrid Electric Heat Pump Water Heater, such as it not starting immediately or the heat pump not running in Efficiency mode?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater provides insufficient hot water or has slow hot water recovery?
- What should I do if my Whirlpool Hybrid Electric Heat Pump Water Heater is not producing hot water?
- What does it mean when my Whirlpool Hybrid Electric Heat Pump Water Heater displays "ICE" on the user interface?
