Gas Pipe Recommendations - UTICA BOILERS MAHF-100 Manual

7.2 Gas Pipe Recommendations

Configure gas pipe for proper operation and avoid issues
with failure to light or maintenance of proper flame
during operation, which could cause error codes related
to flame signal.
• Incoming pipe size and pressures shall be sufficient
for all gas appliances in the building. See Chart next
page or reference NFPA-54.
• Use only properly rated and certified materials for
gas pipe.
• Use of Schedule 40 metallic pipe and Corrugated
Stainless-Steel Tubing (CSST) is manufacturer
recommended for best performance.
ACCEPTABLE PIPING FOR
PROPANE
7 - GAS SUPPLY PIPING
• Use of Gas Appliance Connectors (flexible connectors
typically used for gas stoves or water heaters) is
prohibited. Refer to national and local building codes.
• Each fitting in the gas supply pipe shall count as 5
equivalent feet.
• There shall be sufficient gas pressure at the boiler per
gas used and appliance rating plate.
• For LP applications there shall be no less than 10
linear feet of properly sized gas pipe excluding
fittings from the closest regulator or meter in the gas
supply piping.
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240013371 REV B, [10/01/2021]