Furnace Cycling - SOLUTION w/ Pictures
EDIT: This turned out to be an air flow issue. The solution was quite simple. The furnace has three knockouts on the back when using flexible vent duct adapted to hard in-floor ducting. Crossroads has...
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O K just went thru this with my furnace had it in to the local shop, same thing, have had the problem for a long time and they replaced the sail switch, than the next time the Hi limit switch, still didnt work right. I replaced the digital thermostat with an old school type for $79.00. Problem solved furnace works great now................
