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  1. RE

    Attwood 7900 furnace

    Furnace problem solved I did confirm that the new sail switch has been redesigned to a different shape but does the same job. So I bought it on Ebay. Removing the entire furnace was not as difficult as I expected and it is not possible to replace the sail switch without removing it. The furnace...
  2. RE

    Attwood 7900 furnace

    No heat Thanks for the help. I decided to remove the entire unit since I could find no good diagram on it . I soon realized that the sail switch on my unit can not be accessed with the furnace in place. I had exhausted the simple fixes. On the bench I removed the fan and squirrel cage and found...
  3. RE

    Attwood 7900 furnace

    i JUST BOUGHT A 2003 HI LO (2203T). THE FURNACE SHOWS NO SIGN OF EVER BEING USED. (NO HEAT MARKS IN FIRE BOX). WHEN I TURN THE THERMOSTAT ON THE FAN RUNS FOR ABOUT 30 SECONDS AND STOPS. THE RED LIGHT BLINKS ONCE EVERY 3 SECONDS WHICH INDICATES A "AIR FLOW LIMIT FAULT. ANY SUGGESTIONS ON FIXES?
  4. RE

    Top lift gap

    We just bought a 2003 (2203t) and took a trip. The weather turned cold and we noticed drafts all around the camper. The top appears to be about 2 inches from reaching the position where the seals will meet the bottom. It does not seem to be a "creeping" problem but just not reaching full...

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