Bradford White eF Series Troubleshooting Manual And Instructions For Service page 48

Vent Safety Switch Testing and Replacement
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.
48
Service Procedure XI
120 volt potential exposure. Isolate the appliance and
reconfirm power is disconnected using a multimeter.
Rubber
escutcheon
WARNING
Vent safety
switch
48