It's an atwood. The only part external to the RV is this https://highskyrvparts.com/rv-parts/appliances/rv-furnaces/dometic-atwood-furnaces/dometic-furnace-vent-31809. I'm assuming this is the exhaust AND intake? The rest of the unit is under the cabinet.
Two other thoughts on this issue.
I am...
Thanks for the reply. Heartland technical support told me it was the sail switch or the control board because I explained to them what it was doing...just has you noted. The blower runs for 30 seconds then stops. There appears to be no attempt to ignite.
There is no external access. Only the...
I have a 2019 Heartland Trailrunner 27RKS. The furnace stopped igniting. Heartland technical support said I need to replace the sail switch. However, I can find no way to get to it. There's no access panel on the outside. There are two fake panels to get to it. But you don't room to open the top...
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