TTW1 Universal Service

Replacement Blower

MITW -12 / -15 Series

Step 9.

f.) Verify that all electrical connections have been modified, as previously indicated. Also, verify that the pressure switch tubing is connected to the pressure tap on the blower

and to the switch itself. Ensure that the tubing is not kinked.

Step 10.

a.) Ensure that the pressure switch, P/N 239-47192-02, is mounted in the vertical position, as shown. This pressure switch comes standard in the blower from the factory. Its vacuum setting should read -0.80" wc.

Verify electrical

and tubing

connections.

Mount in vertical

position using

bracket.

b.) Place the access compartment cover

 

 

back on the blower and secure with (3)

 

 

screws from Step 9a. Start the lower

 

 

screw first, and when doing so, make

 

 

sure that the hole in the pressure

 

 

switch’s bracket matches up to the

 

 

hole in the blower housing.

 

 

 

 

Warning:

Do NOT over tighten (3) screws attaching

 

 

 

the blower to the water heater.

 

 

 

 

 

 

Step 11.

Now that the universal blower is properly

 

 

modified for a -12/-15 series water heater,

 

 

the blower can be properly positioned and

 

 

secured on top of the water heater. To

 

 

place the blower on the water heater, feed

 

 

the blower from around the backside of

 

 

the water connections. Secure the

 

 

universal blower using (3) screws, P/N

 

 

239-44113-00, provided with the kit, into

 

 

the pilot holes created in Step 7. Tighten

 

 

them using a ¼” nut driver.

Page 16

 

 

Secure (3)

cover

screws.

Secure (3)

blower screws.

Page 16
Image 16
Bradford-White Corp MITW -10, MITW -12 / -15 manual Secure Cover Screws Blower screws