Atwood Rv Furnace Sail Switch

After replacing the sail switch my furnace works perfectly.

Atwood rv furnace sail switch.

Took the furnace back to the rv cold night and installed it. It insures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition. After reading numerous articles forums manuals i started troubleshooting and found out that limit switch don t confuse it with sail switch is not. This is a replacement sail switch for select atwood df series furnaces.

Also of note on my heater model the sail switch was mounted inside of the fan enclosure. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 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. Took it all back apart and found the new sail switch worked 1 time.

I pulled my entire heater out of my rv but didnt need to. Several things can be checked for a cause in this case. 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. How to rv furnace repair sail switch lighting procedure in this video i bench test a manual light propane rv furnace and locate the sail switch i also show h.

As a result the vent will work but no heat will be produced. An rv furnace has an internal sail switch that will prevent the machine from igniting in cases of air flow being insufficient for combustion. Removed my rv furnace and bench checked it to find a bad sail switch. If i had known where the sail switch was located you can access it by removing the top half of the fan enclosure.

The sail switch acts as a safety device making sure there is no propane flow without air flow. Furnace would not light. The sail switch is an air proving device. Ordered attwood 36680 s w and installed it furnace and it worked fine.