Grainger's got your back. Rheem Water Heater Troubleshooting. Check the control board thermistor connections. An Error Code 16 indicates that the outlet water temperature is above the remote thermostat setting. Sort by: 1 (current) 2; Refine. In most cases, when you see this error, the unit will still be operating. Check the power supply inlet fuses. Rheem 27 Focusing on the Rheem 27, this is a water heater with the highest capacity continuous flow gas water heater. Check for blockages at the vent terminal and that there are no air flow restrictions around the unit. As always, your best resource is your owners manual since it'll have the specific information you need for your model. Check that the flame rod is free of carbon build-up. Bosch offers several models of tankless water heaters, including the Bosch Therm 830 ES Non-Condensing tankless water heater with 8.3 gallons per minute capacity at 35 degrees Fahrenheit and the Bosch Therm C 1210 ES Condensing tankless water heater … The unit isn't designed to run continuously with a circulation system. Almost gone. All electric water heaters and gas heaters that use electricity: The first issue to troubleshoot is … Test for bleed over. Have questions, or need some help with a Rheem tankless product? It has 4500 watt elements. Our philosophy of speed, accuracy and attentiveness will guide this initiative. If the above steps check out, your sensor needs to be replaced. (Close cold water supply valve to water heater. Is the unit plugged in? r/HVAC: All things related to HVAC - Heating, Ventilation, & Air Conditioning $741.15. Check to make sure there is gas to the unit and that the pressure is correct. First, verify that the Program Chip is installed. Inspect the thermistor wiring for damage. If not, please check the connection to the computer board. Rheem RTG-84XLN-1 8.4 GPM Outdoor Natural Gas Tankless Water Heater. Get Quotes from Qualified Local Contractors. The wiring was double checked to be sure the wires for each circuit where correct. An Error Code 10 indicates that a false flame has been detected. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. RHEEM Electric Tankless Water Heater 36 kw 6 gpm Indoor Faucet Bathroom Shower. Check that the air filter door is seated properly. 4 left. Please wait while the Live Chat application loads (or click here). Open hot water taps at fixtures. I understand and accept the privacy policy. Having a good digital display or wireless monitoring app can be a great way to identify issues with your Rheem tankless water heater as soon as they appear. It could be triggered by a blockage to the Vent Exhaust or an issue with the Air Intake. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Rheem ELECTRIC WATER HEATERS Pdf User Manuals. This is called the 27 […] It's critical that the exhaust is NOT recirculating into the unit's fresh air intake. Check the following before calling for service: An error code 34 indicates that there is a combustion air temperature sensor fault. Inspect the heat exchanger. Check that the water control valve has the proper voltage. They come in a wide range of sizes and capacities, are designed to deliver hot water quickly and are very energy efficient. Check that the unit has the proper gas pressure and volume. 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