Bradford-White Corp U4TW60T*FRN, U4TW50T*FRN, U4TW40T*FRN Inner Door Gasket Replacement

Models: U4TW60T*FRN U4TW40T*FRN U4TW50T*FRN

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Inner Door Gasket Replacement

Inner Door Gasket Replacement

Step 6. Remove the connectors attached to the re- settable thermal switch on the manifold mount.

Flammable vapor

Inner Door Removal Procedure (cont’d)

sensor clip

Step 7. Remove the flammable vapor sensor from the clip by pushing down on the tab to open the clip.

Flammable vapor

sensor

Step 8. Inspect both inner doors for any of the following imperfections: tears, missing material, cracks, dirt or debris, lack of adhesion to the inner door, material left

Inner Door Removal Procedure (cont’d)WARNING

If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury, or death.

on combustion chamber, or any other imperfections that will inhibit a proper seal.

If any of the imperfections above are present,

door gasket following the Inner Door Gasket Gasket overlap must be

replace the inner

Replacement Procedure. If not, replacement of the inner door gaskets is not necessary.

as shown ± 1/32

Enlarged

view of

flange

Inner Door Gasket Replacement Procedure

Step 1. Completely remove all gasket and adhesive residue from the right and left side inner doors, as needed.

area

Recommended pattern for RTV sealant Step 2.

U s i n g

 

RTV

sealant,

 

apply a 1/8”

 

bead to secure

 

Gasket overlap must be

 

Slice gasket here to slide over burner venturi t h e

as shown ± 1/32

Expanded view

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Bradford-White Corp U4TW60T*FRN, U4TW50T*FRN Inner Door Gasket Replacement, Inner Door Removal Procedure cont’d