Rinnai Water Heater RUC98i

Turn off the electrical power supply

Turn off the gas at the manual gas valve

Turn off the incoming water supply

Ensure the appliance area is clear

Inspect the vent system for blockages or damage

If the vent is blocked, contact a licensed professional

Turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker.

Turn off the gas at the manual gas valve, usually located immediately below the water heater.

Turn off the incoming water supply at the isolation valve immediately below the water heater or by turning off the water supply to the building.

Keep the appliance area clear and free from combustible materials, gasoline, and other flammable vapors and liquids.

Wait until the equipment cools down before draining the water to avoid burns.

Shut off cold water supply and gas supply.

Turn off the temperature controller.

Turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker.

Turn off the gas at the manual gas valve, usually located immediately below the water heater.

Turn off the incoming water supply at the isolation valve immediately below the water heater or by turning off the water supply to the building.

Ensure the appliance area is clear and free from combustible materials, gasoline, and other flammable vapors and liquids.

Disconnect electrical power to the water heater.

Close the shutoff valves on both the hot water and cold water lines (V3 and V4).

Connect pump outlet hose (H1) to the cold water line at service valve (V2).

Turn off the electrical power supply

Turn off the gas at the manual gas valve

Turn off the incoming water supply

Ensure the appliance area is clear of combustible materials

Clean the temperature controller with a soft damp cloth

Is the area around the flue terminal free of snow and ice?

Is the intake air or exhaust free from obstructions?

Turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker.

Turn off the gas at the manual gas valve, usually located immediately below the water heater.

Turn off the incoming water supply at the isolation valve immediately below the water heater or by turning off the water supply to the building.

Ensure the appliance area is clear and free from combustible materials, gasoline, and other flammable vapors and liquids.

Pressure Relief Valve Operation

Operate the pressure relief valve manually.

Ensure discharge has a safe place to flow.