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103425
OWNER’S MANUAL
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect heater and its individual
manual shutoff valve from gas supply
piping system. Pressures in excess of
1/2 psig will damage heater regulator.
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther 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 form-
ing show a leak.
5. Correct all leaks at once.
6. Reconnect heater and manual shutoff
valve to gas supply. Check re-
connected fittings for leaks.
WARNING: Never use an open
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming show
a leak. Correct all leaks at once.
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
CAUTION: Make sure exter-
nal regulator has been installed
between propane/LP supply and
heater. See guidelines under
Con-
necting to Gas Supply
, page 12.
CHECKING GAS
CONNECTIONS
INSTALLATION
Continued
O
N
POSI
T
O
PO
S
Figure 15 - Manual Shutoff Valve
Open
Closed
Manual
Shutoff
Valve
Manual
Shutoff
Valve
Propane/LP
Supply Tank
Thermostat Gas Valve or
Control Valve Location
Figure 16 - Checking Gas Joints
Test Pressures Equal To or Less Than
1/2 PSIG
1. Close manual shutoff valve (see Fig-
ure 15).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
3. Check all joints from propane/LP sup-
ply 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 Fig-
ure 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 (thermo-
stat-controlled models) or control valve
(variably-controlled models) (see Fig-
ure 16). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Light heater (see Operating Heater,
pages 15 and 16 [Thermostat-
Controlled Models] or pages 16
and 17 [Variable Manually-
Controlled Models]). Check all other
internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to
Appliance, page 16 [Thermostat-Con-
trolled Models] or page 17
[Variable Manually-Controlled
Models]).
Continued