CONNECTING | IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping | ||||
and/or fittings. |
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TO GAS |
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| Note: Burner bracket | ||
SUPPLY |
| Pressure |
| not shown for clarity | |
| Regulator |
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Continued |
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| 1/2" NPT |
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| Pipe Nipple |
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| Ground Joint | Heater | |
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| Cabinet | ||
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| Union |
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| Tee Joint |
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| Test | Reducer |
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| Manual Shutoff |
| Gauge | Bushing to |
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| Valve * |
| Connection * | 1/8" NPT |
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| 1/8" NPT |
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| From Gas Meter |
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| Plug Tap |
| (4" W.C. to 10.5" W.C. | |
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| Tee Joint |
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| Pressure) |
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| Sediment | Pipe | 3" Minimum |
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| Trap | Nipple |
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| Cap |
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| Figure 13 - Gas Connection |
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*An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an accept- able alternative to test gauge connection. Purchase the optional A.G.A. design certified manual shutoff valve from your dealer. See Accessories, page 30.
CHECKING | WARNING ICONG 001 WARNING | |
GAS | ||
Test all gas piping and connections for leaks after installing or | ||
CONNECTIONS | servicing. Correct all leaks at once. | |
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| WARNING ICONG 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. | |
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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.
3.Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter.
Continued 15
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