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10
IMPORTANT:
Hold pressure regulator with wrench when connecting it to gas
piping and/or fittings.
Figure 11 - Gas Connection
* 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 ACCESSORY, page 22.
CHECKING
GAS
CONNECTIONS
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.
Continued
Tee Joint
Reducer
Bushing to
1/8" NPT
1/8" NPT
Plug Tap
Heater
Cabinet
Pressure
Regulator
3/8" NPT
Pipe Nipple
Tee
Joint
Pipe
Nipple
Cap
Ground Joint
Union
From
External
Regulator
(11" W.C. to
14" W.C. Pressure)
Manual Shutoff
Valve *
Sediment Trap
Test
Gauge
Connection *
3" Minimum
!
WARNING ICON G 001
WARNING
Test all gas piping and connections for leaks after installation or
servicing. Correct all leaks at once
!
WARNING ICON G 001
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.
!
WARNING ICON G 001
CAUTION
Make sure external regulator has been installed between propane
supply and heater. See guidelines under CONNECTING TO GAS
SUPPLY, page 9.