Still struggling with Suburban NT32 furnace
The furnace would light and heat for a while and then go out. I changed the thermal limit switch and that seemed to fix it for a while. Now it only lights occasionally and almost never relights a...
Forum Discussion
newman fulltimer wrote:
It could be anything from dirty connections to a sticking sail switch a bad ignihter a bad propane regulator at the tank and when the temps get down its freezing.
The best thing to do is check the simple things first
1 clean all connections
2 check your regulator see if its good
as if you can change parts you can do this
3 clean the igniter and check that your getting a good spark
4 make sure there is no blockage in the unit
Yep , be sure to check the regulator.
My furnace was sensitve to low propane pressures and wouldn't start. The other appliances were fine. New regulator fixed it.
