INSTALLATION
CONNECTING TO GAS SUPPLY
WARNING | This appliance requires a 3/8” NPT |
(National Pipe Thread) inlet connection | |
to the pressure regulator. | |
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WARNING | A qualified service person must |
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| connect heater to gas supply. Follow |
| all local codes. |
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WARNING | Never connect heater to private (non- |
utility) gas wells. This gas is commonly | |
known as wellhead gas. | |
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The installer must supply an external regulator. The external regulator will reduce incoming gas pressure.You must reduce incoming gas pressure to between 11 and 14 inches of water column. If you do not reduce incoming gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 13. Pointing the
External
Regulator
Vent 
Pointing
Down
Propane/LP Supply Tank
vent down protects it from freezing rain or sleet.
Figure 13 - External Regulator with Vent
Pointing Down
CAUTION
Use only new, black iron or steel pipe. Internally- tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" or greater diameter to allow proper gas volume to heater. If pipe is too small, undue loss of pressure will occur.
CAUTION |
| Installation must include an equipment shutoff valve, union, | |
Use pipe joint sealant that is resistant | and plugged 1/8” NPT tap. Locate NPT tap within reach for | ||
to liquid petroleum (LP) gas. | test gauge hook up. NPT tap must be upstream from heater | ||
(see Figure 14). | |||
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| IMPORTANT: Install an equipment shutoff valve in an | ||
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| accessible location. The equipment shutoff valve is for | |
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| turning on or shutting off the gas to the appliance. |
Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater valves.
IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings.
| Pipe Coupling |
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To Gas Log | Gas Supply Inlet |
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Set or to Gas |
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Valve | Shutoff |
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| Valve | Pipe |
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Locations that the Pressure Tapping |
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Point May be Installed |
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| Figure 14 - Gas Connection |
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49D0090 | 17 |
