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7.2 Leak Check Gas Piping
Pressure test boiler and gas connection before placing
boiler in operation.
•
Pressure test over 1/2 psig (3.5 kPa). Disconnect
gas supply system.
•
Pressure test at 1/2 psig (3.5 kPa) or less.
Isolate boiler from gas supply system by closing
•
Locate leakage using gas detector, noncorrosive
acceptable to authority having jurisdiction. Do
methods that can provide ignition source.
•
Correct leaks immediately and retest.
7.3 Gas Orice - See Figure 7-2
Models 125, 150 - = 5.8 mm ( Natural & LP)
Figure 7-1 - Gas Piping
NOTICE
Sediment trap shall be located upstream of gas
controls.
7 - GAS SUPPLY PIPING
NOTICE
FIGURE 7-2 Gas Orice Location
Down - Toward gas valve)
Gas Valve
240012564 REV A, [05/15/2019]
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