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