I don't think that all sail switches are created equal. I've also had to bend a sail a bit to get it to work correctly. So far it hasn't failed. If it's working then let it work.
Personally, I like having backup parts for the furnace. They can be finicky and I hate being out in the cold when a part fails. They are usually pretty easy to fix if the parts are handy.
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Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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