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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Ducane furnace model cmpa050u3. Need high temp.

Customer Question

I have a Ducane furnace model cmpa050u3. Need high temp. limit safety manual reset switch. What is the part no. and temp. rating ?
JA: Did you check the furnace's filters?
Customer: yes
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Let me see if I can research this information for you.

Expert:  airheatman replied 1 year ago.

I am not finding a complete parts list, do you have the old limit? If so we should have a part number stamped on it like 20001103 and have a number like L-170 to tell us the temp it should open at