Instructions / Assembly

INSPECT SHIPMENT:
Inspect contents for possible missing or damaged compo-
nents. See Figure 1. This kit includes:
Qty. 1 (one) - Combination Gas Control
Qty. 1 (one) – Installation Instructions
Qty. 1 (one) – Lighting Instructions Label
Qty. 1 (one) – Use & Care Lighting Instructions
Supplement Sheet
Qty. 1 (one) – Burner Supply Tube Adapter Nut
TOOLS REQUIRED:
3/8” Open-end wrench
7/16” Open-end wrench
7/8” Open-end wrench
3/4” Open-end wrench
Pipe Wrench
Soap and water solution
1/2" NPT, Approx. 8"- 12" pipe length
Pipe Thread Sealant (Certified for use with Natural and LP
Gas/Liquefied Petroleum Gases)
NOTICE: Compounds used on threaded joints of gas piping
shall be resistant to the action of Liquefied Petroleum Gases.
ADDITIONAL INSTRUCTIONS:
Refer to the Use and Care Manual supplied with the water
heater and the supplement sheet supplied in this kit for
complete information on the installation, lighting, opera-
tion and maintenance of the water heater.
1. TURNING OFF GAS SUPPLY TO THE WATER
HEATER:
Set the thermostat dial to the lowest setting “VACATION”
by rotating the thermostat dial on the water heater's com-
bination gas control counter clockwise Q until it stops.
Rotate the gas control knob on the combination gas control
clockwise P to the “OFF” position.
Shut off the gas supply at the main gas supply line to the
water heater. Refer to the lighting instruction label located
above the water heaters combination gas control and the
Use and Care manual supplied with the water heater for
additional information on shutting off the gas supply.
2. DRAINING THE WATER HEATER: Shut off the inlet
water supply to the water heater. Connect one end of a
garden hose to the water heater's drain valve and route the
other hose end to a drain or suitable draining area. Open a
hot water faucet to allow air to flow into the water heater
tank then open the water heater's drain valve. See Figure 2.
3. DISCONNECTION OF THERMOCOUPLE, PILOT
SUPPLY TUBE AND BURNER SUPPLY TUBE FROM
THE COMBINATION GAS CONTROL:
Using a 3/8” open-end wrench, disconnect the thermo-
couple from the combination gas control. Using a 7/16”
open-end wrench, disconnect the pilot supply line from the
combination gas control. Using a 3/4” open-end wrench,
disconnect the burner supply tube from the combination
gas control. See Figure 2.
NOTICE: LP Gas Combination Controls use left-handed
threads on the burner supply tube nut.
4. ROBERTSHAW COMBINATION GAS CONTROL
REMOVAL:
With the gas supply shut off, disconnect the main gas supply
piping from the combination gas control. After the water
heater is completely drained, screw a suitable length of ½”
NPT pipe into the gas inlet connection of the combination
gas control. Rotate the control counter clockwise Q until
removed. Remove the ½” NPT pipe. See Figure 3.
INSTALLATION INSTRUCTIONS
Atmospheric Invensys to White-Rodgers Combination Gas Control Replacement Kit
[Non Flammable Vapor Ignition Resistant (FVIR) Models]
Read these instructions thoroughly and understand all steps and procedures before
proceeding with the installation.
1
AP14661 (03/08)
Figure 1
Combination Gas
Control
Adapter Nut
Thermocouple
Burner Supply
Tube
Pilot Supply Tube
Figure 2
Drain
Valve
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W A R N I N G
READ ALL INSTRUCTIONS
BEFORE LIGHTING
Figure 3
1/2" NPT Pipe
Gas Inlet
Connection