Atwood Rv Furnace Sail Switch

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.

Atwood rv furnace sail switch. It is a safety component that will not let ignition occur until it sees 75 of the motor s rpm s. Took it all back apart and found the new sail switch worked 1 time. Nevertheless they remain popular which is why so many people want to know how to. After reading numerous articles forums manuals i started troubleshooting and found out that limit switch don t confuse it with sail switch is not.

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. As a result the vent will work but no heat will be produced. Took the furnace back to the rv cold night and installed it. This is a replacement sail switch for select atwood afs series furnaces.

The sail switch acts as a safety device making sure there is no propane flow without air flow. Ordered attwood 36680 s w and installed it furnace and it worked fine. Dometic atwood 33063 replacement low air flow sail switch. 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.

Atwood is probably the oldest of the manufacturers listed here having been founded in 1909. Troubleshooting atwood rv furnace. An rv furnace has an internal sail switch that will prevent the machine from igniting in cases of air flow being insufficient for combustion. After replacing the sail switch my furnace works perfectly.

The sail switch is an air proving device. Furnace would not light. Removed my rv furnace and bench checked it to find a bad sail switch. This is a replacement sail switch for select atwood df series furnaces.

It insures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition. I pulled my entire heater out of my rv but didnt need to. 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.