beautypg.com

Warning, Blower temperature switch replacement – Bradford White U-TW4-75S-76R-3N User Manual

Page 33

background image

Page 33

Blower Temperature Switch Replacement

Step 1.

Move the gas control power switch to the

“OFF”

position.

Step 2.

Remove the three screws (Phillips screw

driver) from the control access cover on the blower as-
sembly and remove cover.

Step 3.

Locate blower temperature switch.

Step 4.

Disconnect red and yellow wire leads from

the switch.

Step 5.

With an appropriate tool such as side cut-

ters, snip the retaining lug from the
blower housing to allow removal of
temperature switch.

Step 6.

Remove switch from blower housing.

Step 7.

Install new switch. Be sure switch is prop-

erly seated in mounting area.

Step 8.

Reconnect red and yellow wires to new switch. Wires are inter-

changeable with either terminal.

Step 9.

Position the gas control power switch to the “ON” position and

verify proper heater operation.

Step 10.

Replace control access cover from step 2.

WARNING

115 volt potential exposure. Use caution making voltage checks to avoid

personal injury.

Gas control power

switch

Control access

cover

Blower temperature

switch location

Snip retaining lug from

blower housing

Blower Temperature Switch Replacement

33