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200032-01A
18
PRESSURE TESTING HEATER GAS CONNECTIONS
INSTALLATION
fluid to all joints. Bubbles forming show a
leak.
5. Correct all leaks at once.
6. Light heater (see
Lighting Instructions
on
page 19). Check all other internal joints
for leaks.
7. Turn off heater (see
To Turn Off Gas Ap-
pliance
, page 20).
1. Open equipment shutoff valve (see Figure
19).
2. Open gas supply tank valve.
3. Make sure control knob of heater is in the
OFF position.
4. Check all joints from equipment shutoff
valve to control valve (see Figure 20 or
21). Apply a noncorrosive leak detection
Gas Valve
Gas Valve
Equipment
Shutoff Valve
Equipment
Shutoff Valve
Propane/LP
Supply Tank
Figure 20 - Checking Gas Joints for
Propane/LP Gas
Figure 21 - Checking Gas Joints for
Natural Gas
Gas Meter
Figure 19 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Fig-
ure 19).
2. Pressurize supply piping system by either
using compressed air or opening gas sup-
ply valve.
3. Check all joints from gas supply (see Fig-
ure 20 or 21) to equipment shutoff valve.
Apply a noncorrosive leak detection fluid
to all joints. Bubbles forming show a leak.
4. Correct all leaks at once.
