Bradford White M-I-MH40T6FLX User Manual
Page 16

16
Gas Conversion Instructions continued-
b) Place the left side inner door into position first. Firmly position the radiused
channel of the inner door around the feedline. Using the ¼” 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.
d) Firmly place right side inner door flange against the left side inner door flange
and secure with two 1/4” drive screws from step 4. DO NOT OVER TIGHTEN
SCREWS.
e) Align right side inner door to combustion chamber and verify the fastener
holes of the combustion chamber are aligned with the right side inner door
slotted opening. Verify seal integrity around combustion opening. Secure right
side inner door using 1/4” hex drive screws from step 4. DO NOT OVER
TIGHTEN SCREWS. Verify both left and right sides of the inner door are
properly positioned and sealed against the combustion chamber.
f) Reconnect lead wires from combination thermostat/gas valve to resettable
thermal switch. Note, wire terminations are interchangeable with either
resettable thermal switch connections.
g) Replace outer jacket burner access door.
9) To light pilot, follow the lighting instructions provided on the water heater and in
this installation and operation instruction manual.
10) Remove “equipped for” card from cloth bag and attach to gas piping as close to
gas control as possible. Remove and discard tag attached to water inlet fitting of
the water heater.
To convert from natural gas to LP gas
(For control shown in figure 3 only)
1. Follow the instructions above except add the “RED” main burner orifice and
pilot assembly. Replace with the ones originally provided with the water
heater.
2. Change the main gas regulator to “LP” as noted in step 2 of the instructions.
3. Change the pilot regulator to “LP” as noted in step 3 of the instructions.
4. Replace “equipped for” tag with tag supplied in cloth bag for gas being used.
WARNING
Stripped fastener connections may allow for seal breach of inner
door. A seal breach may result in a fire or explosion causing
property damage, personal injury or death. Do not over tighten
screws.
If a fastener connection is stripped, contact the manufacturer
listed on the water heater rating plate.