Thanks Dale!!!
i appreciate your information and expertise!!

thanks SO MUCH. this unit has no AC so in other words, the circ fan is only controlled by the fan switch right? the relay should never come into play..?? the unit heats and the fan comes on, it just sometimes stays on for too long and last time it stayed on forever until i tapped on the case.. i fee...

Thanks... I can read schematics ..was auto tech for 20 yers BUT THIS schematic I am NOT at all familiar with the legends .. the relay and switches.. I think the fan switch is 'normally open' that is when it hits 115 it closes.. but that relay has me confused.. which are the coil legs and what are th...

gas furnace runs and heats fine but sometimethe cirulation fan won't shut off or shuts off a
LONG time afterwards. is it the fan switch or relay?? how to tell?? thanks tommie