User Guide

RESETTABLE THERMAL SWITCH REPLACEMENT

Step 1. Rotate knob of combination thermostat gas valve to the off position.

Step 2. Remove outer jacket door.

Step 3. Disconnect wire leads from resettable thermal switch.

Step 4. Remove resettable thermal switch from inner door (Phillips screw driver).

Step 5. Place new resettable thermal switch in place. Be sure contact surface of resettable thermal switch

and inner door are free of any debris. Secure resettable thermal switch into place using screws

from step 4. DO NOT OVER TIGHTEN SCREWS.

Step 6. Reconnect wire leads from combination thermostat/gas valve to resettable thermal switch.

Note: Wire termination are interchangeable with either resettable thermal switch connection.

Step 7. Replace outer jacket door.

Step 8. To resume operation follow the instructions located on the lighting instruction label or the lighting

instruction located in the installation and operation manual.

For White Rodgers Control,

depress knob slightly and rotate

clockwise to the “OFF” position.

For Robertshaw Control, rotate

knob clockwise to the “OFF”

position.

SERVICE PROCEDURE RG-VIII

Resettable Thermal Switch

Testing and Replacement

For Honeywell Control, rotate

knob counter-clockwise to the

“OFF” position.