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63899-002 Rev. A 3/20/2024
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D. GAS PIPING
NOTE: ALL PIPING MUST COMPLY WITH STATE AND/OR LOCAL CODES. THE
AVAILABLE GAS SUPPLY PRESSURE SHOULD BE WITHIN THE MINIMUM AND
MAXIMUM PRESSURES SHOWN IN THE BURNER SPECIFICATIONS. IF THE GAS SUPPLY
PRESSURE EXCEEDS THE 48” W.C. (7 KPA) MAXIMUM, AN INTERMEDIATE MAIN GAS
REGULATOR MUST BE INSTALLED AHEAD OF THE MAIN GAS MANUAL SHUTOFF
VALVE.
NOTE: FAILURE TO INSTALL THE INTERMEDIATE GAS REGULATOR WILL RESULT IN
GAS LEAKAGE FROM BURNER GAS VALVE.
The gas supply piping to the burner should branch off from the main gas supply line as close to the gas meter
as possible. Do not connect to the bottom of a horizontal section.
Use new black iron pipe and malleable fittings free from burrs and defects. Use pipe joint compound resistant
to LP gases.
A 1/4” NPT pressure port accessible for test gauge connection must be added by the customer for determining
gas supply pressure to the burner. Test new supply piping for leaks.
E. ELECTRICAL SUPPLY
The installation must be wired and grounded in accordance with local codes or in their absence, with the National
Electric Code ANSI/NFPA No. 70-2002 or latest edition.
In CANADA, all wiring shall be done in accordance with the Canadian Electrical Code.
During pressure test for leaks in supply piping, the burner’s gas train must be
disconnected to prevent exposing the gas train to pressure greater than 1psig
(6.9kPaG), possibly damaging the regulator and/or valves and voiding the warranty.