beautypg.com

Pressure switch replacement – Bradford White M-2-TW-75T6BN User Manual

Page 19

background image

Pressure Switch Replacement

WARNING

115 volt potential exposure. Use caution

to avoid personal injury.

Step 6.

Reconnect wires from step 5 to new pressure switch.

Step 7.

Reconnect tubing to new pressure switch.

Step 8.

Carefully position pressure switch into blower housing.

Step 9.

Position gas control power switch to “ON” position and verify proper heater operation.

Step 10.

Replace control access cover from step 2.

Step 1.

Position gas control power switch
to “OFF” position.

Step 2.

Remove the three screws (Phillips screw driver) from control access cover on blower assembly and
remove cover (see photo 3).

Pressure Switch

Slide pressure switch in direction
of arrow while tilting slightly away
from blower housing.

Step 3.

Carefully remove pressure
switch from blower
housing (see photo 4)

Step 4.

Disconnect tubing from
pressure switch.
(see photo 5)

Step 5.

Disconnect yellow wires
from pressure switch
(see photo 6)

TTW SERVICE PROCEDURE III

Pressure Switch Testing and

Replacement

Page 19

3

4

5

6

Page 19

19