What to do if Rinnai B16 Water Heater starts then the water goes cold?
- SsaraguzmanSep 7, 2025
If your Rinnai Water Heater starts but the water goes cold, verify that the power is still on and try opening your hot water tap further.
What to do if Rinnai B16 Water Heater starts then the water goes cold?
If your Rinnai Water Heater starts but the water goes cold, verify that the power is still on and try opening your hot water tap further.
What to do if power interruption during Bath fill in Rinnai B16 Water Heater?
If a power interruption occurs during a bath fill and water doesn't flow when power is restored to your Rinnai Water Heater, turn off all hot water taps and press the On/Off button twice.
What to do if my Rinnai B16 starts then shuts down immediately?
If your Rinnai Water Heater starts and then immediately shuts down, verify that the power is still on. Also, check that the gas isolation valves at the unit and the gas meter are fully open. Ensure your hot water tap is fully open as well.
What to do if my Rinnai Water Heater has no ignition or gas supply?
If your Rinnai Water Heater has no ignition or gas supply, check that the gas is turned on at both the water heater and the gas meter or cylinder.
Why does my Rinnai B16 start and then the water goes cold?
If your Rinnai Water Heater starts and then the water goes cold, verify that the power is still on. Also, try opening your hot water tap further.
What to do if there is a power interruption during bath fill with my Rinnai Water Heater?
If there's a power interruption during a bath fill and water won't flow on power reinstatement with your Rinnai Water Heater, turn off all hot water taps and press the On/Off button twice.
What to do if incorrect dipswitch setting detected in Rinnai Water Heater?
If an Incorrect Dipswitch Setting is Detected on your Rinnai Water Heater, the installer needs to check the Dipswitch Settings. It is recommended to schedule a service call.
What to do if there is a flame failure / low gas flow in my Rinnai B16 Water Heater?
If you experience a flame failure or low gas flow with your Rinnai Water Heater, first, ensure that the gas supply is turned on at both the water heater and the gas meter or cylinder. Then, check for any obstructions that might be blocking the flue outlet.
How to fix noticeable reduction in water flow in Rinnai B16?
If you notice a reduction in water flow with your Rinnai Water Heater, the inlet water filter may need cleaning. A service call is recommended.
What to do if Rinnai B16 Water Heater does not start?
If your Rinnai Water Heater isn't starting, make sure the power is on at the unit and check that the isolation valves are open.
Type | Tankless |
---|---|
Temperature Control | Digital |
Installation | Indoor |
Weight | 46 lbs |
Fuel Type | Natural Gas |
Flow Rate | Up to 6.6 GPM |
Energy Efficiency | 0.82 Energy Factor |
Ignition | Electronic |
Temperature Range | 98°F to 140°F (37°C to 60°C) |
Warranty | 12 years heat exchanger, 5 years parts |
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