25
WARNING
DO NOT OPERATE APPLIANCE UNTILL ALL LEAKAGE IS CORRECTED.
DO NOT USE OPEN FLAME OR ANY KIND OF SPARK TO CHECK FOR LEAKS.
REMOVING
AND
REPLACING
THE GAS CONTROL VALVE/THERMOSTAT
Important: The gas control is an electronic valve:
1. On the electronic valve turn the temperature dial
clockwise to low setting position. Turn the switch to the
off position.
2. Turn off the gas at the manual shut-off valve on the gas
supply pipe ( ).
3. Disconnect the electrical power supply.
4. Disconnect the blower and the hot surface harness.
5. Drain the water heater. Refer to the section of “Drain-
ing and Flusing” on page 14 and follow the procedure.
6. Disconnect the burner tube (manifold) from the elec-
tronic gas valve.
7. Refer to “Gas Piping” (Figure 4 - Page 4) and disconnect
the ground joint union on the gas piping. Disconnect
the remaining pipe from the electronic gas valve/ther-
mostat. Important: When removing the electronig gas
valve/thermostat do not use pipe wrench or vise the
grip body. Do not insert any pipe of blunt instrument
into the inlet or outlet connections. Use these type
tools may result in damage to the electronic gas valve/
thermostat.
8. Turn the electronic gas valve/thermostat counter-
clock-wise-
Remove the electronic gas valve/thermostat.
To replace the electronic gas valve, reassemble in re-
verse order:
•
Be sure to yse approved Teflon tape or pipe joint
compound on the gas piping connections and fitting
on the back of the electronic gas valve that screws
into tank.
•
Turn gas supply on and check for leaks. Use a chlo-
ride-free soap and water solution
(bubbles formig
indicate a leak)
or other approved method.
•
Be sure tank is completely filled with water before
lighting and activating the water heater. Follow the
“Lighting Instructions” on page 10.
•
Follow the “Lighting Instructions” on page 10.
•
If additional information is required, contact the
Service Department on the phone number shown
on the front of this manual.
Note: L.P. gas system use a reverse (left-hand) threads on
the mainfold tube.
Summary of Contents for Standard Residential
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