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UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
44 of 51
15.6 Flue Blower
IT IS IMPORTANT THAT ONLY THE CORRECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE
IS USED WHEN REPLACING THESE ITEMS.
Carry out a start-up after working on or changing an flue blower. See Page 27, Section 11.
MODEL
UHA[X][S]
150 - 175
UHA[X][S]
200 - 300
UHA[X][S]
350 - 400
Flue Blower P/N 90710405 90710403 90710402
Remove screws securing outlet
flange to the flue adapter.
Refit in reverse order.
Remove screws securing flue
blower mounting plate to vent
box.
Remove screws securing
mounting plate to blower.
Refit in reverse.
Use new gaskets.
Ensure sealed joints.
Ensure mounting plate orifice is
clear and not obstructed.