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Correct Replacement Circuit Board For MaxxFan Deluxe 7500K


I wanted to confirm this motherboard is compatible with LiFePO4 voltages. I have a maxxair fan deluxe 00-07500K, just a few years back the motherboards would trigger a voltage too high warning when LiFePO4 banks are at full charge 14.2-14.4v. Well recently my motherboard burned up from the moisture of a humid night in Georgia. Ive read that the newer motherboards do not have this issue with LiFePO4 batteries and I wanted to confirm that this is true with the one you guys are stocking. I was specifically told by Maxxair support that the part # I need is 10C21275K


Expert Reply:

That is correct, the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Reversible Fan # MA10A21275K is the correct replacement for your MaxxFan Deluxe Roof Vent w/ 12v Fan, Thermostat, and Remote # MA00-07500K, and will work just fine with your LiFePO4 batteries.

expert reply by:
Bryce D

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