Rinnai Water Heater RU199i

Check the water heater for any visible signs of damage

Ensure the water lines are insulated

Refer to the 'Freeze Protection' section in the manual

Manually drain the water heater if necessary

Verify the installation of drain down solenoid valves

Check the functionality of the drain down solenoid valves

Check for lint build-up on the air filter

Check for dust accumulation on the air filter

Inspect the air filter for any visible damage

Contact a trained and qualified professional for a replacement air filter assembly if damaged

Ensure discharge has a safe place to flow

Verify no contact with body or property

Testing the pressure relief valve should only be performed by a licensed professional. Water discharged from the pressure relief valve could cause severe burns instantly or death from scalds.

Operate the pressure relief valve manually

Was the discharge area checked for safety?

Verify that the appliance is inspected by a licensed professional

Verify proper operation after servicing

Inspect the vent system for blockages or damage

If the vent is blocked, contact a licensed professional

Clean the fan and motor to keep them free of dust and dirt

Check that the burner flames evenly over the entire surface

Verify the flame burns with a clear, blue, stable flame

Consult the parts breakdown of the burner for the location of the view ports

Compare the flame pattern with the images on p. 66

Document any irregularities observed during the inspection