42
Rinnai Tankless Water Heater Installation and Operation Manual
Is the discharge line from the PRV pitched downward and does it terminate 6 in. (152
mm) above the drain?
□ □
Is the discharge end of the line plain (unthreaded) and a minimum of 3/4 in. diameter?
□ □
Is the discharge line material suitable for at least 180°F (82°C) water?
□ □
Did you take measures to protect the PRV and PRV discharge line from freezing?
□ □
Have you verified the PRV
is not
plugged and that reducing fittings, valves, or other
restrictions are not installed in the relief line?
□ □
GAS SUPPLY
YES NO
Did you verify the gas system is appropriately sized?
□ □
Did you verify the water heater is rated for the gas type supplied?
□ □
Have you performed a gas line and connection leak test?
□ □
Did you install a manual gas control valve in the gas line to the water heater?
□ □
Is the inlet gas pressure within limits?
□ □
Did you purge the gas line of air or any debris before connecting the water heater?
□ □
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