quirements and piping requirements are fulfilled, install piping as follows:
A.In accordance with the above piping requirements, assemble piping, sediment trap, shutoff valve, and necessary fittings. Tighten all components securely.
WARNING: Failure to ensure that male threads on pipe to be installed into gas valve meet the require- ments of Figure 6 may cause gas valve damage, distortion and malfunction.
B.Install a threaded nipple, prepared in accordance with paragraph 3.2 into gas valve.
C.Connect gas piping to nipple installed in the gas valve.
WARNING: When testing gas piping use only a soap and water solution. Do not use a match or other flame for leak testing. If during leakage check gas is smelled, turn off the gas supply and ventilate building.
D.Ensure the building is properly ventilated. Without lighting the pilot light of the heater, open the gas supply valve and pressurize the piping up to the heater’s gas valve.
E.Using a brush, apply a soap and water solution to all connections and look for bubbles indicating a leak. If a leak is detected, turn off gas supply and tighten connections. Retest and tighten connections
SUPPLY
LINE
SHUTOFF
VALVE
1/2”
TEE
3”
NIPPLE
CAP
RIGID PIPE WITH
UNION OR A FLEXIBLE CON- NECTOR TO HEATER
HEATER
NOTE:
1.ONLY USE A PIPE COMPOUND WHICH IS RESISTANT TO LIQUIFIED GASES ON LP INSTALLATIONS.
2.FITTINGS SHOWN ARE NOT INCLUDED WITH HEATER.
Figure 7. Typical Piping Installation
Model # MH25NG/LP | HS25NG/LP | E9 | Installation instructions and Owner’s Manual |
