Bradford White M-I-MH40T6FLX - Manual (Page 21)

21
Gas Conversion Instructions continued-
 Other imperfections that will inhibit proper seal
 Gasket adhesion to inner door
 Material left on combustion chamber (around opening)
(i) Remove (2) 1/4” hex drive screws from right side inner door.
(ii) Remove (2) 1/4” drive screws from flange section of inner
door.
(iii) Remove (2) 1/4” drive screws from left side inner door.
(iv) Remove inner door and inspect per step 4b.
c) If the gasket is not affected by any of the above, gasket replacement is
not required.
d) If gasket replacement is required, contact manufacturer for inner door
gasket replacement kit.
6) Disconnect thermocouple, gas supply tube and pilot tube from the gas valve
and remove the burner assembly from the water heater.
7) Remove the “RED” color coded L.P. orifice and pilot assembly and replace
with natural gas orifice and pilot assembly provided in the cloth bag attached
to the water heater.
8) Replace the burner assembly, reconnect
all fittings and check for leaks. Refer to
“Gas Connections”.
9) Replace inner doors with the following
procedure.
a. Clean any residual gasket residue
or other debris from combustion
chamber surface before installing
the inner door/gasket assembly.
b. Place the left side inner door into position first. Firmly position the
radiused channel of the inner door around the feedline. Using the
1/4” hex drive screws from step 4, secure left side inner door in
place. DO NOT OVER TIGHTEN SCREWS.
c. Position thermocouple, pilot tube and Piezo wire against left side
inner door flange gasket. DO NOT ROUTE THROUGH RADIUSED
CHANNEL WITH FEEDLINE.
IMPORTANT!
If gasket replacement is required, contact manufacturer for inner
door gasket replacement kit.
WARNING
If the information in these instructions is not followed exactly, a
fire or explosion may result causing property damage, personal
injury or death.