I need to replace a circuit breaker in a Intertherm inside heater in a mobile home but do not know what to get that would match. I am not an electrian but one told me this was what I needed. The old one does not have a model number that I can find. Help.

Intertherm furnaces are now handle by Nordyne:

http://www.nordyne.com/

You can contact them for locating and identifying parts, or you may post a photo here to see if someone here can determine what you have.