The entire fan shroud and motor are replaced. The permanently ( for a few years ) lubricated motor bearing wears. The factory matches the motor, fan and shroud for proper air flow, so it is replaced as a unit. Order the part from a local dealer that handles the Evcon replacement line.
http://www.HeatProUS.com energy businessmen’s knowledge
Yes, you really have to find out the MAKE and MODEL to get good answers. There IS more than one machine made.
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