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Sara JonesSep 2, 2025
What to do if Rinnai INFINITY 20 Water Heater does not start?
- NNatalie FullerSep 2, 2025
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.
What to do if Rinnai INFINITY 20 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.
How to fix noticeable reduction in water flow in Rinnai Water Heater?
If you notice a reduction in water flow in your Rinnai Water Heater, the inlet water filter may need cleaning. It is recommended to request a service call.
How to fix Rinnai INFINITY 20 Water Heater no ignition/no gas supply?
If your Rinnai Water Heater won't ignite due to a potential lack of gas supply, first, verify that the gas is turned on both at the water heater itself, and at the gas meter or cylinder.
What to do if Combustion Fan Failure in Rinnai INFINITY 20?
If there is a Combustion Fan Failure in your Rinnai Water Heater, it is recommended to request a service call.
What to do if Gas Modulating Valve is Faulty in Rinnai Water Heater?
If the Gas Modulating Valve in your Rinnai Water Heater is faulty, it is recommended to request a service call.
How to check for condensate pipe blockage in Rinnai INFINITY 20?
If you suspect a condensate pipe blockage in your Rinnai Water Heater, check the condensate drain path for any obstructions.
What to do if Rinnai INFINITY 20 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 valve at the unit and the gas meter are fully open. Ensure that your hot water tap is fully open as well.
What to do if there is a power interruption during bath fill with my Rinnai INFINITY 20 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.
Why does my Rinnai INFINITY 20 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 my Rinnai INFINITY 20 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. Additionally, try opening your hot water tap further.
Essential safety information regarding the dangers of heated water and burn prevention measures.
Key safety warnings, operational tips, and warnings about hot water flow and flue outlet safety.
Details on factory pre-set temperatures and whether they can be changed by an authorized person.
Explains temperature ranges for controllers and available combinations of Universal and Deluxe models.
Identifies components, turning on, and adjusting temperature for the MC-91Q controller.
Guidance on transferring priority and operating multiple controllers simultaneously.
Overview of BC-100V features, indicators, and steps to turn it on.
Procedures for adjusting audible settings and configuring the controller's clock.
How to set water temperature and important safety checks before use.
Detailed steps for using the automatic shower saver and bath fill features.
Instructions for stopping fill functions and combining controller types.
Identifies MC-100V components, functions, and steps for turning it on.
Procedures for adjusting audible settings and configuring sound options for the kitchen controller.
Procedures for setting the clock and modifying the water temperature.
Explains the Smartstart® system, its benefits, and how to activate the preheat function.
Lists common error codes, their remedies, and troubleshooting steps for units without controllers.
Covers regulations, appliance location, flue clearances, water supply, and mounting.
Details on condensate pipe materials, installation, length, and discharge requirements for specific models.
Steps for installing water controllers, connecting cables, and fitting specific models.
Procedures for testing the unit, confirming delivery temperatures, setting gas pressure, and using a checklist.
General| Type | Tankless |
|---|---|
| Temperature Control | Digital |
| Category | Water Heater |
| Maximum Flow Rate | 20 L/min |
| Minimum Flow Rate | 2.4 L/min |
| Energy Factor | 0.82 |
| Ignition System | Electronic |
| Flow Rate | 20 L/min |
| Energy Efficiency | High |
| Installation | Indoor |
| Gas Type | Natural Gas |
| Temperature Range | 37°C to 50°C |
| Ignition Type | Direct Electronic Ignition |
| Warranty | 12 years on heat exchanger, 3 years on parts and labour |
