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101827
IMPORTANT:
Hold pressure regulator with wrench when connecting it to gas piping
and/or fittings.
Tee Joint
Reducer
Bushing to
1/8" NPT
1/8" NPT
Plug Tap
Test
Gauge
Connection *
Tee Joint
Pipe
Nipple
Cap
Manual
Shutoff
Valve *
1/2" NPT
Pipe Nipple
Heater
Cabinet
Pressure
Regulator
Figure 13 - Gas Connection
3" Minimum
Ground Joint
Union
From
External Regulator
(11" W.C. to 14" W.C. Pressure)
CHECKING
GAS
CONNECTIONS
WARNING
Test all gas piping and connections for leaks after installing or
servicing. Correct all leaks at once.
PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect heater and its individual manual shutoff valve from gas supply
piping system. Pressures in excess of 1/2 psig will damage heater regulator.
2. Cap off open end of gas pipe where manual shutoff valve was connected.
Sediment
Trap
CONNECTING
TO GAS
SUPPLY
Continued
* An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Purchase the optional A.G.A. design-certified
manual shutoff valve from your dealer. See Accessories, page 27.
WARNING
Never use an open flame to check for a leak. Apply a mixture of
liquid soap and water to all joints. Bubbles forming show a leak.
Correct all leaks at once.
CAUTION
Make sure external regulator has been installed between propane/
LP supply and heater. See guidelines under
Connecting to Gas
Supply
, page 14.
Continued