Atwood Rv Furnace Sail Switch Location

Fan is running but furnace produces no heat.

Atwood rv furnace sail switch location.

Nevertheless they remain popular which is why so many people want to know how to. Camera editing software u. Diy with rv replacing limit switch atwood 8535 so at some point of course that was a coldest part of our trip in yellowstone furnace atwood 8535 iii started blowing cold air only. If i had known where the sail switch was located you can access it by removing the top half of the fan enclosure.

An rv furnace has an internal sail switch that will prevent the machine from igniting in cases of air flow being insufficient for combustion. Several things can be checked for a cause in this case. However dometic became the majority owner of both atwood and duo therm so their products are largely sold under the dometic label. Troubleshooting atwood rv furnace.

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. As a result the vent will work but no heat will be produced. 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.

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. 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. Having trouble with our atwood rv furnace not turning on and found out about this secret switch which got it running. I pulled my entire heater out of my rv but didnt need to.

After replacing the sail switch my furnace works perfectly. The ducts carry the heated air from the furnace to the interior of the rv.