Gravity furnace problem

[THOMASJU]

Thanx, David and Darwin, for confirming what I thought to be true. I DO HAVE a CO detector installed down low next to the furnace. Tom J.

[AlanKilian]

Thanks for the link to the temperature regulator.

Sent from my SCH-I545 using Fiberglass RV mobile app

[MAP 56]

i had the same problem with mine .what i found was mice made a home in the air in take side. once i puled all the x'/t junk out it works fine .happy trails Mike