Search:

"casturbo" and "htg guy" ...

Thank you both for the advice which I will follow.

I'm back .. your all right. As for signing up as a professional member I justified it based on "I work for Siemens, USA" as an engineer. My division of Siemens is a "2nd tier" supplier of solid state...

My home "forced air" gas furnace has a mechanical device composed of a "sprial bi-metal" and "electrical contacts" that turn on and off the furnace blower motor based on internal furnace air...