So far I've been out of luck finding a replacement for this thermostat. The one shown was made by Durodyne, they have no suggestions for me so...

Does anyone know what would be a replacement thremostat for this? I have no clue what the numbers and letter on the wiring refer to (4, 5, and C). Any help would be much appreciated. I live in an isolated town so can't really call anyone here to have a look.

Here are pics of the thermostat:

http://www.ohareknives.com/thermopics/face.jpg

http://www.ohareknives.com/thermopics/wiring.jpg

Thanks for the help.

Sean

Is this in a mobile home? I bet it is. The reason I say that is some mobile home systems use a 3 wire system.

No this is in a stick built R2000 home. Our furnace has a two speed motor.

Sean

You might take a look at this

DuroZone Thermostats (http://www.durodynecanada.ca/canada/products/duro_zone/thermostats.htm)

Also where they are made

Duro Dyne Canada Inc Home Page (http://www.durodynecanada.ca/canada/)

The thermostat is for a zone system. I wish you would have said that in your first post.