Connecting to GAS Supply, Important Install

CONNECTING TO GAS SUPPLY

WARNING: A qualified service person must connect heater to gas supply. Follow all local codes.

WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator.

CAUTION: Never connect

h e a t e r d i r e c t l y t o t h e propane/LP supply. This heater requires an external regulator (not supplied) . Install the external regulator between the heater and propane/LP supply.

The installer must supply an external regulator. The external regulator will reduce incoming gas p r e s s u r e . Yo u m u s t r e d u c e incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur . Install external regulator with the vent pointing

INSTALLATION

From External

LP Gas Regulator

Figure 14 -Gas Connection

*A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA/AGA design - certified equipment shutoff valve from your dealer. See Accessories, page 17.

down as shown in Figure 13. Pointing the vent down protects it from freezing rain or sleet.

CAUTION: Use only new, b l a c k i r o n o r s t e e l p i p e . Internally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of pressure will occur.

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.

CAUTION: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.

Figure 13 - External Regulator with Vent Pointing Down

Typical Inlet Pipe DiametersInstall sediment trap in supply line All models up to 20,000 BTU’s use as shown in Figure 14. Locate

3/8’’ or greater pipe;				sediment trap where it is within
All models 25,000 BTU’s and higher,				reach	for	cleaning .			Locate
use 1/2” or greater pipe.				sediment	trap		where		trapped
Installation	must	include an		matter is not likely to freeze. A
equipment	shutoff	valve,	union,	sediment	trap	traps		moisture		and
and plugged 1/8" NPT tap. Locate				contaminants.		This		keeps		them
NPT tap within reach for test gauge				from going into heater controls. If
hook up. NPT tap must be
				sediment trap is not installed or is
upstream from heater (see Figure
				installed	wrong,			heater		may
14).
				not run properly.
IMPORTANT: Install		an equipment
				IMPORTANT:			Hold		pressure
shutoff valve in an accessible
				regulator with			wrench when
location. The equipment			shutoff
				connecting it to gas piping and/or

valve is for turning on or shutting fittings. off the gas to the appliance.

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