20
103092
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.
Test Pressures Equal To or Less Than 1/2 PSIG
1. Close manual shutoff valve (see Figure 21).
2. Pressurize supply piping system by either using compressed air or opening main
gas valve located on or near gas meter.
3. Check all joints from gas meter to manual shutoff valve (see Figure 21). 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 21).
2. Open main gas valve located on or near gas meter.
3. Make sure control knob of heater is in the OFF position.
4. Check all joints from manual shutoff valve to thermostat gas valve (see Figure
22). 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 21 through 23). Check all other
internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to Appliance, page 23).
8. Replace front panel.
CHECKING
GAS
CONNECTIONS
Continued
ON
POSITION
OFF
POSITION
Open
Closed
Manual
Shutoff
Valve
Manual
Shutoff
Valve
Thermostat Gas Valve Location
Figure 21 - Manual Shutoff Valve
Gas Meter
Figure 22 - Checking Gas Joints
