INSTALLATION

Continued

CONNECTING TO GAS SUPPLY

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

CAUTION: Never connect propane/LP heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the exter- nal regulator between the heater and propane/LP supply.

WARNING: Never connect naturalgasheatertoprivate(non- utility)gaswells.Thisgasiscom- monly known as wellhead gas.

Installation Items Needed

Before installing heater, make sure you have the items listed below.

piping (check local codes)

sealant (resistant to propane/LP gas)

equipment shutoff valve *

test gauge connection *

sediment trap

tee joint

pipe wrench

*An CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alterna- tive to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 26.

For propane/LP units, the installer must supply an external regulator. The external regulator will re- duce incoming gas pressure. You must reduce in- coming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pres- sure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 6. Pointing the vent down pro- tects it from freezing rain or sleet.

CAUTION:Useonlynew,black ironorsteelpipe.Internally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diameter or greater to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.

Installation must include an equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 7, page 10).

IMPORTANT: Install equipment shutoff valve in an accessible location. The equipment shutoff valve is for turning on or shutting off the gas to the appliance.

Check building codes for any special requirements for locating equipment shutoff valve to fireplaces. Apply pipe joint sealant lightly to male NPT threads. This will prevent excess sealant from go- ing into pipe. Excess sealant in pipe could result in clogged heater valves.

Side View

Front of

Stove

Unit

Gas Regulator

Inlet Connection

Figure 5 - Gas Regulator Location and Gas Line Access Into Stove Cabinet

Propane/LP

Supply Tank

External

Regulator

Vent

Pointing

Down

Figure 6 - External Regulator With Vent

Pointing Down

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Desa Tech S26PTA, S26NTA installation manual Connecting to GAS Supply, Installation Items Needed

S26NTA, S26PTA specifications

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