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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Replacing a Lennox 51H4001 with a Nest thermostat, The Nest

Customer Question

replacing a Lennox 51H4001 with a Nest thermostat
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: The Nest is a learning thermostat, energy efficient unit
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no
Submitted: 18 days ago.
Category: HVAC
Expert:  Brian HVAC Guy replied 18 days ago.

Hi I'm Brian and I'm here to help!

What is the specific issue you'd like help with regarding your thermostat replacement? If it's initial wiring, please tell me what color wires went to what lettered terminals on the old thermostat and I'll help you get your Nest set up properly. I'll also need to know what type system you have, e.g. Furnace with ac, Heat pump with electric heat backup, ac with electric heat etc...

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