INSTALLATION

Continued

Installing Bottom Mounting Screw

1.Locate bottom mounting hole. This hole is near bottom on back panel of heater (see Figure 11).

2.Mark screw location on wall.

3.Remove heater from wall.

4.If installing bottom mounting screw into hol- low or solid wall, install wall anchor. Follow steps 1 through 5 under Attaching To Wall Anchor Method, page 9. If installing bottom mounting screw into wall stud, drill hole at marked location using 9/64" drill bit.

5.Replace heater on wall.

6.Insert bottom anchor screw through back panel into bottom anchor or drilled hole (see Figure 11).

7.Tighten screw until heater is firmly secured to wall. Do not over tighten.

Note: Do not replace front panel at this time. Replace front panel after making gas connec- tions and checking for leaks (see pages 10 through 12).

Figure 11 - Installing Bottom Mounting Screw

CONNECTING TO GAS SUPPLY

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

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

WARNING: For natural gas, never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas.

IMPORTANT: For natural gas, check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 10.5 inches of water. If gas line pressure is higher, heater regula- tor damage could occur.

CAUTION: For propane/LP gas, never connect heater di- rectly to the propane/LP supply. This heater requires an external regulator (not supplied). Install theexternalregulatorbetweenthe heater and propane/LP supply.

For propane/LP gas, 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. If you do not reduce incoming gas pres- sure, heater regulator damage could occur. Install the external regulator with the vent pointing down as shown in Figure 12. Pointing the vent down protects it from freezing rain or sleet.

CAUTION: Use only new, black iron or steel pipe. Inter- nally-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 volume will occur.

Propane/LP

External

Supply Tank

Regulator

 

Vent

Pointing

Down

Figure 12 - External Regulator With Vent

Pointing Down (Propane/LP only)

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Desa GWP10 GWN10T installation manual Connecting to GAS Supply, Installing Bottom Mounting Screw

GWP10 GWN10T specifications

The Desa GWP10 and GWN10T are innovative heating solutions designed for both residential and commercial applications. These models stand out in the market due to their modern features, advanced technologies, and exceptional performance characteristics.

One of the main features of the Desa GWP10 is its high efficiency. With an impressive energy efficiency rating, this model utilizes a state-of-the-art combustion system that maximizes heat output while minimizing fuel consumption. This not only reduces the cost of operation but also makes it an environmentally friendly choice, lowering carbon emissions significantly.

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