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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Do I see that the stat is directly connected to furnace 1

Customer Question

Do I see that the stat is directly connected to furnace 1 and the the relay is between the W from the stat and then where is the C from to the relay?
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: I am looking at the diagram Mark Henley has posted for a relay to operate 2 furnaces on 1 stat
Submitted: 1 month ago.
Category: HVAC
Expert:  Regan Land replied 1 month ago.

Hello and welcome to Just Answer - It looks like Mark isn't available at the moment, so I'll be happy to assist. Can you post a link to his diagram?