What to do if Rinnai Water Heater starts then shuts down?
If your Rinnai unit starts and then immediately shuts down, try these steps: check the power supply, check the gas cock, and ensure you open the hot water faucets more.
Why does my Rinnai REU-N3237WC-E start then go cold?
If your Rinnai water heater starts but the water then goes cold, verify the power supply and open the hot water faucets more.
How to troubleshoot Rinnai Water Heater with no ignition?
If your Rinnai water heater fails to ignite, check that the gas is turned on at both the water heater and the gas meter or cylinder. It is recommended to schedule a service call.
What to do if Rinnai REU-N3237WC-E starts then shuts down immediately?
If your Rinnai Water Heater starts and then shuts down right away, you should check the power supply and the gas cock. Also, make sure to open the hot water faucets more to ensure sufficient water flow.
Why does my Rinnai REU-N3237WC-E Water Heater start then the water goes cold?
If your Rinnai Water Heater starts but the water then goes cold, check the power supply. Additionally, ensure that the hot water faucets are opened sufficiently to allow enough hot water to flow.
What does 'Service Soon' mean on Rinnai Water Heater?
If your Rinnai water heater displays 'Service Soon', it’s time for a service. The heat exchanger may need to be flushed to prevent damage. Refer to the flushing instruction in the manual.
How to fix Rinnai Water Heater that does not attempt to start?
If your Rinnai Water Heater isn't starting at all, you should check the power supply. You may also need to clean the water filter and inspect the water inlet on the appliance.
How to fix Rinnai Water Heater that won't start?
If your Rinnai Water Heater isn't starting, you can try the following: check the power supply, clean the water filter, and inspect the water inlet on the appliance.
How to fix low water flow in Rinnai REU-N3237WC-E Water Heater?
If you notice a reduction in water flow in your Rinnai water heater, the inlet water filter likely needs to be cleaned. It is recommended to schedule a service call.
What causes flame failure in Rinnai REU-N3237WC-E Water Heater?
If you are experiencing flame failure or low gas flow with your Rinnai water heater, check that the gas is turned on at the water heater and gas meter or cylinder. Also, check for any obstructions to the flue outlet. It is recommended to schedule a service call.
General| Fuel Type | Natural Gas |
|---|---|
| Maximum BTU Input | 199, 000 BTU |
| Minimum BTU Input | 15, 000 BTU |
| Energy Factor | 0.82 |
| Energy Efficiency | 82% |
| Category | Water Heater |
| Ignition Type | Electronic |
| Venting | Direct Vent |
| Warranty | 12 years heat exchanger, 5 years parts, 1 year labor |
Outlines the specific defects and conditions covered by the warranty.
Lists exclusions and conditions that void the warranty.
Provides critical safety warnings and precautions for product use.
Explains how to operate the water heater, including controls and modes.
Offers guidance on diagnosing and resolving common operational issues.
Details essential regulations, qualifications, and responsibilities for installers.
Lists critical warnings and safety requirements for the installation process.
Specifies suitable and unsuitable locations for installing the water heater.
Covers essential installation steps, clearances, and connections.
Specifies minimum distances required around the appliance for safety and maintenance.
Details requirements for connecting the water supply, including pressure and quality.
Explains the requirements and installation of the flue system for ventilation.
Outlines the procedures for commissioning and testing the installed appliance.
Provides instructions for converting the appliance to different gas types.
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