INSTALLATION

Continued

2.Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve lo- cated on or near gas meter for natural gas, or using compressed air.

3.Check all joints from gas meter for natural gas (see Figure 17) or propane/LP supply tank for propane/LP gas, to equipment shutoff valve (see Figure 18). Apply a noncorrosive leak detection fluid to all joints. Bubbles form- ing show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas

Connections

1.Open equipment shutoff valve (see Figure 16, page 13).

2.For natural gas open main gas valve located on or near gas meter. For propane/LP gas open propane/LP supply tank valve.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from equipment shutoff valve to thermostat gas valve (see Figure 17 or 18). Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, starting on page 15). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appli- ance, page 16 or 17, depending on your model heater).

8.Replace front panel.

Thermostat Gas Valve

Gas

Meter

Equipment Shutoff Valve

Figure 17 - Checking Gas Joints for

Natural Gas

Thermostat Gas Valve

Propane/LP

Supply Tank

Equipment Shutoff Valve

Figure 18 - Checking Gas Joints for

Propane/LP Gas

14

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Desa WMN20, GWP30T, GWP20T, GWN20T, GN30T, GP30 Pressure Testing Heater Gas Connections, Open equipment shutoff valve see

GP30, GWN20T, GWN30T, GWN20, GWP20 specifications

Desa GWP20, GWP30T, GP30T, GN30T, and GP30 are advanced water heater models that stand out in the market for their efficiency, innovative technology, and user-friendly features. Each model is designed to cater to different consumer needs, offering reliable hot water solutions for residential and commercial applications.

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