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ON
POSITION
OFF
POSITION
3. Pressurize supply piping system by either using compressed air or
opening propane/LP supply tank valve.
4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to
gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Re-connect heater and manual shutoff valve to gas supply. Check re-connected fittings
for leaks.
Test Pressures Equal To or Less Than 1/2 PSIG
1. Close manual shutoff valve (see Figure 15).
2. Pressurize supply piping system by either using compressed air or opening propane/LP
supply tank valve.
3. Check all joints from propane/LP supply tank to manual shutoff valve (see Figure 16).
Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Pressure Testing Heater Gas Connections
1. Open manual shutoff valve (see Figure 15).
2. Open propane/LP supply tank valve.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from manual shutoff valve to thermostat gas valve (thermostat-con-
trolled models) or control valve (variably-controlled models) (see Figure 16). Apply
mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Light heater (see Operating Heater, pages 20 through 21). Check all other internal
joints for leaks.
7. Turn off heater (see To Turn Off Gas to Appliance, page 21).
INSTALLING
Continued
Figure 15 - Manual Shutoff Valve
Open
Closed
Manual
Shutoff
Valve
Figure 16 - Checking Gas Joints
Manual
Shutoff
Valve
Propane/LP
Supply Tank
Thermostat Gas Valve or
Control Valve Location