TTW1 Universal Service
Replacement Blower
M1TW Series
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
Step 1. On the water heater’s gas control, turn the power switch to the “Off” position.
Turn switch on gas valve
to “Off” position.
Step 2. Unplug water heater from wall outlet.
Remove power cord from outlet.
Unplug blower harness cord sets from blower housing receptacles.
Step 3. Disconnect blower cord sets from receptacles located in the blower housing.
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