Enviro M55 - Circuit Board vs. Mother Board vs. Daughter Board?

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DevinM88

Member
May 3, 2010
24
Western MA
Hi All.
I'm currently knocking on wood, as my Enviro FS M55 Steel (2009 era) has had no issues with the Circuit Board. My question, is if I also have a Mother, or a Daughter Board? I've replaced the exhaust combustion blower once, and the room convection blower twice (going with the 11-1224 alternative next, as it's under $200) and fortunately the circuit board appears to be in great shape. Thanks all!
 
If memory services the M55 Steel only has a mother board.
The M55 Cast has both a mother and daughter board
 
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