Gas Pipe Recommendations - Dunkirk DCB-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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