Burnham PVG manual

4.All above ground gas piping upstream from manual shut-off valve must be electrically continuous and bonded to a grounding electrode. Do not use gas piping as grounding electrode. Refer to National Electrical Code, NFPA 70.

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 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 nonflammable solution.

DANGER

Do not use matches, candles, open flames or other ignition source to check for leaks.

27