Desa Tech CGP10T - Manual (Page 14)

14
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IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping
and/or fittings.
Figure 13 - 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 28.
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.
Tee Joint
Reducer
Bushing to
1/8" NPT
1/8" NPT
Plug Tap
Test
Gauge
Connection *
Heater
Cabinet
Pressure
Regulator
Tee
Joint
Pipe
Nipple
Cap
Ground Joint Union
3/8" NPT
Pipe Nipple
Sediment Trap
3" Minimum
Manual Shutoff Valve *
From External
Regulator
(11" W.C. to 14" W.C.
Pressure)
CONNECTING
TO GAS
SUPPLY
Continued
WARNING
Test all gas piping and connections for leaks after installation or
servicing. Correct all leaks at once.
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 Sup-
ply, page 13.