Install Instructions

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C. Pressure test. The boiler and its gas connection must
be leak tested before placing boiler in operation.
1. Protect boiler gas control valve. For all testing over
½ psig, boiler and its individual shutoff valve must
be disconnected from gas supply piping. For testing
at ½ psig (3.5kPa) or less, isolate boiler from gas
supply piping by closing boiler’s individual manual
shutoff valve.
2. Locate leaks using approved combustible gas
detector, soap and water, or similar nonammable
solution.
DANGER
Do not use matches, candles, open ames or
other ignition source to check for leaks.
V. GAS PIPING (continued)