I have a SF-25F SN#101201807, which board do I need M.C. Enterprises 520820MC Or 521099 12V DC 3G Fan board? (Suburban 521099 12V DC 3G Fan Control Board)

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Suburban 521099 12V DC 3G Fan Control Board Questions & Answers

Suburban 521099 12V DC 3G Fan Control Board

This Suburban 12V DC 3G Fan Control Board is for the furnace and water heater fan ignition.

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