Service Manual

Rubber

escutcheon

Service Procedure XI

Vent Safety Switch Testing and Replacement (Continued)

Vent Safety Switch

Replacement Procedure

1. Position main power switch to OFF.

2. Loosen the adhesive backed rubber escutcheon from the service panel access cover and slide the

escutcheon back along the exhaust pipe to allow for removal of cover (see photos below).

3. Remove the screws from service panel access cover (¼" nut driver) and remove the cover from the

water heater (see images below)

4. Disconnect the wire leads from the vent safety switch (see image below).

5. Remove the 2 switch mounting screws (Phillips screwdriver) and nuts (5/16 wrench) and remove the

switch from the water heater.

6. Install new switch using the screws from step 5.

7. Reconnect the wire leads.

Note: Wire leads are interchangeable with either switch terminal.

8. Restore 120 volt power supply to water heater and confirm proper operation following the lighting

instructions on the lighting instruction label or the lighting instruction located in the Installation and

Operating Instruction Manual.

9. Reinstall the service panel access cover and the rubber escutcheon.

WARNING

120 volt potential exposure. Isolate the appliance and

reconfirm power is disconnected using a multimeter.

Reset Button /

Vent Safety

Switch