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TTW1 Universal Service
Replacement Blower
M1TW Series
Page 21
Step 1. On the water heater’s gas control, turn the
power switch to the “Off” position.
Step 2. Unplug water heater from wall outlet.
Step 3. Disconnect blower cord sets from
receptacles located in the blower housing.
Remove power
cord from outlet.
Unplug blower harness
cord sets from blower
housing receptacles.
Turn switch on gas valve
to “Off” position.
Note: This set of instructions is for the following model numbers:
M1TW40S*BN, M1TW40S*CX, M1TW50S*BN,
M1TW50S*CX, M1TW40S*FBN, M1TW40S*FCX,
M1TW50S*FBN, M1TW50S*FCX, M1TW60T*FBN, and
M1TW60T*FCX.
Note: The following parts are required to convert the model numbers
shown above: Screws, Universal Blower, Dilution Air Orifice,
Pressure Switch (-0.70" wc, for high altitude only), and 2"
Exhaust Adapter / Vent Terminal Kit. Please refer to the Kit
Components page (Page 3) for a picture of each item.