Furnace Short-Cycling
2018 Furnace - Atwood/Dometic model AFSD20141 is short-cycling. I tried the following everything: Jumped the thermostat jumped the high temp limit switch jumped the sail switch removed disch...
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That tongue looking thing un-screws along with the sparker unit and the orifice can then be seen. You can check that for if its hole is plugged up. Also confirm the sparker gap is correct--could matter even more for the new gap flame sensor method.
The screen on that tongue eventually rusts out in places. The furnace burning gets wonky from the flame being exposed where there is no screen anymore. You can get a new one from Amazon. Be sure to get the right part when the time comes. There are different tongues by models of furnace. Just got one for my old 8531.
The screen on that tongue eventually rusts out in places. The furnace burning gets wonky from the flame being exposed where there is no screen anymore. You can get a new one from Amazon. Be sure to get the right part when the time comes. There are different tongues by models of furnace. Just got one for my old 8531.
