CHECKING GAS CONNECTIONS
Continued
12
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 12).
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 13). 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 12).
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 control valve (see Figure 13). 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 13 through 17). Check the rest of the internal joints for leaks.
7.Turn off heater (see To Turn Off Gas to Appliance, page 15 [Thermostat Model] or page 18
8.Replace front panel.
Open
Manual
Shutoff
Valve
Closed
Figure 12 - Manual Shutoff Valve
Control Valve Location
Gas Meter
Manual
Shutoff
Valve
Figure 13 - Checking Gas Joints
