Furnace help
I'm looking for electrical prints for a Suburban Furnace. I suspect I have a bad Fan switch; its an older suburban model NT-24 M. I found a web site that sells parts but I want to make sure of what I ...
Forum Discussion
Just a quick suggestion, check 12 volt wiring to furnace. May have a loose or corroded connection to positive 12vdc or ground that would explain no blower.Check for 12.6 volts or more at furnace connection. Other common problems are stuck or defective sail switch, air bubbles in propane lines, no spark ignitio/need to clean contacts on circuit board, obstructed exhaust outlet. Old furnaces can be stubborn about starting and cycling with thermostat settings and touchy safety features. Start up procedure must be followed.
