After replacing the sail switch my furnace works perfectly.
Atwood rv furnace sail switch location.
If i had known where the sail switch was located you can access it by removing the top half of the fan enclosure.
I pulled my entire heater out of my rv but didnt need to.
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An rv furnace has an internal sail switch that will prevent the machine from igniting in cases of air flow being insufficient for combustion.
Nevertheless they remain popular which is why so many people want to know how to.
Hi here is a manual on the furnace page 8 shows the wiring diagram on the unit first check for 12 volts to the sail switch it comes from the limit switch if there is no power from the limit switch it needs to be replaced if there is power from the limit to the sail switch be sure there is power through the sail switch to the board check these things and get back to me.
Several things can be checked for a cause in this case.
How do i test sail switch on the furnace it s 8531 atwood hydroflame answered by a verified rv mechanic we use cookies to give you the best possible experience on our website.
Atwood is probably the oldest of the manufacturers listed here having been founded in 1909.
Also of note on my heater model the sail switch was mounted inside of the fan enclosure.
Fan is running but furnace produces no heat.
As a result the vent will work but no heat will be produced.
The exhaust is an air outlet on the exterior of the rv that exhausts the gases produced during the combustion process the gases are a combination of carbon dioxide and carbon.
The dsi is an acronym direct spart ignition it s an electronic igniter that uses a spark ignites the gas air mix.
Troubleshooting atwood rv furnace.
Having trouble with our atwood rv furnace not turning on and found out about this secret switch which got it running.
The ducts carry the heated air from the furnace to the interior of the rv.
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