How to fix no ignition / no gas supply on Rinnai Water Heater?
- PpmillerAug 13, 2025
If your Rinnai Water Heater isn't igniting or has no gas supply, verify that the gas is turned on at the water heater, gas meter, or cylinder.
How to fix no ignition / no gas supply on Rinnai Water Heater?
If your Rinnai Water Heater isn't igniting or has no gas supply, verify that the gas is turned on at the water heater, gas meter, or cylinder.
What to do if power interruption during Bath fill in Rinnai 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 Rinnai Water Heater water doesn't flow after a power interruption during bath fill?
If your Rinnai Water Heater experiences a power interruption while filling a bath and water doesn't flow when power is restored, turn off all hot water taps, then press the On/Off button twice.
What to do if there is a flame failure / low gas flow in my Rinnai 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.
What to do if the wireless water controller is 'Out of Range' in Rinnai REU-A2626WB Water Heater?
If the wireless water controller (when fitted) is 'Out of Range' due to the distance from transceiver or an obstruction with your Rinnai Water Heater, try moving the wireless water controller or transceiver, or remove the obstruction.
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.
Why does my Rinnai REU-A2626WB Water Heater have flame failure or low gas flow?
If you are experiencing flame failure or low gas flow with your Rinnai Water Heater, verify that the gas is turned on at both the water heater and the gas meter or cylinder. Also, check for any obstructions to the flue outlet.
What causes a Rinnai REU-A2626WB Water Heater wireless controller to be out of range?
If fitted, a Rinnai Water Heater's wireless water controller might be ‘Out of Range’ because of the distance from the transceiver or an obstruction. To resolve this, try moving the wireless water controller or transceiver, or remove any obstructions.
Category | Water Heater |
---|---|
Model | REU-A2626WB |
Type | Tankless |
Fuel Type | Gas |
Ignition Type | Electronic |
Gas Type | Natural Gas |
Warranty | 12 years heat exchanger, 5 years parts, 1 year labor |
Read the manual thoroughly for safe and correct use before operation or installation.
Hazards of hot water, scalding risks, and essential safety precautions.
Safe operation practices, including user supervision and appliance interaction.
User control over water temperature, master/sub controller roles, and temperature limits.
Detailed operation guide for the MC-601Q universal water controller.
Functionality and operational steps for the Smartstart pre-heat system.
List of error codes, their descriptions, and remedies for troubleshooting.
Information on authorized servicing and repair of Rinnai appliances.
Guidelines for selecting the optimal location for the appliance for performance and safety.
Information on high temperatures and potential need for delivery temperature control.
Clearances and location requirements for horizontal flue terminals per AS/NZS 5601.
Installation of coaxial flue systems for internal Rinnai models.
Roles and temperature limits for master and sub water controllers in the system.
Recommended locations for installing water controllers, avoiding heat and moisture.
Instructions for connecting communication cables to the appliance's Printed Circuit Board.
Installation guide for the MC-601Q universal water controller.
Procedures for activating the fourth controller and programming temperature limits.
Step-by-step guide for testing the water heater and water controllers after installation.
Information on 50°C compliant models and other models' delivery temperature settings.
Table showing factory pre-set and adjustable maximum delivery temperatures by model.