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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8373
Experience:  Furnace, A/C and heat pump specialist.
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I'm looking to swap out my old Lennox wiring harness for a

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Hello. I'm looking to swap out my old Lennox wiring harness for a new nest thermostt
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: I'm just looking for the wiring translation. From old to new
JA: Do you plan on doing the work yourself?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: yes. Model nimber is
Customer: replied 1 month ago.
Im connecting a Nest thermostat with this wiring diagram. Attached are both wiring diagrams. I need the conversions please.

I will be happy to help.Give me a moment to type

Customer: replied 1 month ago.
Are you sending me the conversion wiring or diagram

OLD-------------------------------------NEST

R(RED)----------------------------------RH

Y(ORANGE)------------------------------Y1

G(GREEN)-------------------------------G

W(WHITE)---------------------------W1

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