Rinnai Tankless Water Heater Installation and Operation Manual
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4.12 Post-Water Heater Installation Checklist
Complete the following checklist when water heater installation is complete. You should be able to
answer YES to each question. If you answer NO to any question, installation is not complete. Refer to the
applicable section in the Rinnai Tankless Water Heater Installation and Operation Manual for additional
information.
For assistance, contact your local dealer or distributor, or call Rinnai Customer Care at 1-800-621-9419.
INSTALLATION LOCATION
YES NO
Have you verified the unit and vent termination meet the clearance requirements?
□ □
COMBUSTION AIR & VENTING
YES NO
Have all corrosive compounds been removed from around the combustion air inlet of the
tankless water heater?
□ □
Are the correct venting products for the installed model being utilized?
□ □
Have you verified the vent system does not exceed maximum length?
□ □
If reusing existing venting, have you inspected the vent components or damages to
ensure it is safe for installation?
□ □
PLUMBING
YES NO
Have the water lines been purged of all debris and the filter cleaned?
□ □
Have you verified the hot and cold water lines to the tankless water heater are not
interchanged?
□ □
Does the water supply to the heater have adequate pressure? Is it free of chemicals? Did
you verify it does not exceed total hardness that will damage the heat exchanger?
□ □
Have you verified that no toxic chemicals were introduced to the potable water?
□ □
Have water quality issues (if any) been addressed?
□ □
Did you drain the tankless water heater if not intended to be used immediately?
□ □
Have you performed the leak and pressure test for the tankless water heater and
plumbing system?
□ □
ISOLATION VALVES
YES NO
Are isolation valves (accessories) installed?
□ □
PRESSURE RELIEF VALVE (PRV)
YES NO
Does the PRV comply with the standard for Relief Valves and Automatic Gas Shutoff
Devices for Hot Water Supply Systems ANSI Z21.22, and/or the standard Temperature,
Pressure, Temperature and Pressure Relief Valves and Vacuum Relief Valves, CAN1-
4.4?
□ □
Did you verify the PRV is rated for no more than 150 psi and (at least) the maximum Btu/
hr of the tankless water heater?
□ □
Is the discharge from the PRV piped to the ground or into a drain system as per local
codes?
□ □
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