CONNECTING TO GAS SUPPLY
Continued
CHECKING GAS CONNECTIONS
14
IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings.
| Pressure |
| ||
| Regulator | |||
3/8" NPT |
|
|
| |
Pipe Nipple |
|
|
| |
| Heater |
| ||
| Cabinet |
| ||
Ground Joint Union |
|
|
| |
| Tee Joint |
|
| |
Manual Shutoff Valve * | Reducer |
| Test | |
|
| |||
From External | Bushing to | Gauge | ||
1/8" NPT | Connection * | |||
Regulator | ||||
| ||||
|
|
| ||
(11" W.C. to 14" W.C. | 1/8" NPT |
|
| |
Pressure) | Plug Tap |
|
| |
| Tee |
|
| |
3" Minimum | Joint |
|
| |
Pipe | Sediment Trap | |||
| ||||
| Nipple |
|
| |
Cap
Figure 13 - Gas Connection
*An A.G.A.
WARNING
WARNING ICON | G 001 |
Test all gas piping and connections for leaks after installation or servicing. Correct all leaks at once.
WARNING
WARNING ICON | G 001 |
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
WARNING ICON | G 001 |
Make sure external regulator has been installed between propane supply and heater. See guidelines under Connecting to Gas Sup- ply, page 13.
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.
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