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I have a lennox SLP98D, and am trying to connect 4 wires to
Second Opinion] I have a lennox SLP98D, and am trying to connect 4 wires to my Nest Learning Thermostat. Red --> Rh, Blue --> C, Green --> W2, and White --> W1 doesn't work. Can you offer … read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
I am trying to figure out if my lennox g51mp series unit is
Hi there - I am trying to figure out if my lennox g51mp series unit is a 24vac hvac system or if it is high voltage … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,351 satisfied customers
I'm trying to put a nest thermostat on my Lennox system and
I'm trying to put a nest thermostat on my Lennox system and can't figure out the wiring can you help? … read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
Is there a way to remove the two part icomfort and use a
is there a way to remove the two part icomfort and use a nest on a lenox furnace/ A/C system … read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
4,709 satisfied customers
I have the carrier system with 4 wires abcd and I'm trying
I have the carrier system with 4 wires abcd and I'm trying to use my nest thermostat … read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
Can I replace my xc25 lennox thermostat with the learning
hi, can I replace my xc25 lennox thermostat with the learning nest thermostat? … read more
MichaelP45
MichaelP45
Owner/Technician
High School Diploma
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Second opinion] I am replacing my old thermostat with a Nest
Second opinion] Hi,I am replacing my old thermostat with a Nest learning thermostat. My old thermostat has the typical R, G, Y, W, and C wires going to it so it is obvious where those go on the Nest t… read more
Twa252842
Twa252842
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Vocational, Technical or Trade School
1,047 satisfied customers
Trying to install A smart wifi Thermostat- I got an old
Trying to install A smart wifi Thermostat- I got an old Rheem thermostat, red wire connected to R, Blue connected to C, White to 1, and Green to 2. I'm not sure where should I connect the Green and Wh… read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
I'm trying to install a nest thermostat from a Honeywell
I'm trying to install a nest thermostat from a Honeywell with a s1 and s2 wires don't where to put the wires … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,323 satisfied customers
Is nest thermostat appropriate replacement with a Lennox
Is nest thermostat appropriate replacement with a Lennox icmfortort 7 day progammable therm which is suddenly blank but still properly running the hvac system?????-Thanks,INE … read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
Nordyne 903992 thermostat has 4 wires from furnace/AC. I am
Nordyne 903992 thermostat has 4 wires from furnace/AC. I am trying to identify what each wire connects to on pcb in order to upgrade to nest e thermostat. Front panel indicates R Y and W, but I have 4… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,351 satisfied customers
I have Honeywell Hz311 with dual zone one for upstairs and
I have Honeywell Hz311 with dual zone one for upstairs and downstairs and trying to install Nest 3rd Gen Thermostats. With old thermostat noticed that only have 4 wires (Y, R, W & G) and C wire is ava… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,351 satisfied customers
Uh well are you a human and is this advice free? Just today.
trying to install nest thermostat, have a goodman furnace. i think i got the 4 wires correct but im getting just cold air blowing when setting to heat Installing a 3rd gen Nest thermostat. Had a thermostat working fine, White-Rodgers model # 1F78 NON-PRGM. 6 wires coming from wall, only using 4 on it. White to W, red jumper from Rh to Rc, Green to G, Yellow to Y, Red to Rc. No a/c, just a goodman gas furnace blowing into house thru vents. Model GMS80704BXCC. Installed new 3rd gen Nest, with yellow wire to Y1, green wire to G, Red wire to Rc, White wire to W. Nest thermostat comes on fine, fan blows for fan, fan blows for cool, fan blows for heat but no heat, its cool air. Brand: Goodman Type of HVAC: Thermostat Control… read more
Rick
Rick
Supervisor
35,108 satisfied customers
I have a gas furnace, and just installed nest gen1. The wire
I have a gas furnace, and just installed nest gen1. The wire seems all good connected to Rh, W1, Y1, G, C. on the Furnace side there is R, Y, G, W, C also, all connected. The fan control is fine turni… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
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I have an old Lenox Mercury tube thermostat HV Q634A 1047 2.
I have an old Lenox Mercury tube thermostat HV Q634A 1047 2. I need to know if this is 24 volt and if it is ok to splice thinner wires to the thick ones so they will connect into the Nest thermostat. … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,323 satisfied customers
Trying to determine if my lennox comfort system can be
Hi...trying to determine if my lennox comfort system can be swapped with a Nest therm? The i-comfort therm is awful… read more
airheatman
airheatman
HVAC Technician
6 years college
16,564 satisfied customers
I have a 4 wire thermostat which includes a Red, Blue, Yellow
I have a 4 wire thermostat which includes a Red, Blue, Yellow and White, with a jumper from RC to RH. The new thermostat a Honeywell Focus Pro WIFI does not have a RH terminal. Under conventional it h… read more
Comfort Specialist
Comfort Specialist
Licensee, Designer & Estimator
Vocational, Technical or Trade School
1,369 satisfied customers
Install NEST Thermostat to replace Honeywell 7-Day Program
Current Thermostat: Honeywell 7-Day Programmable Honeywell Vision Pro IAQ (Model: TH9421C1004) Current Equipment Interface Module: Honeywell Vision Pro IAQ Current Furnace: Lennox Current Damper Actua… read more
Scott
Scott
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Associate Degree
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