Ask Experts Questions for FREE Help !
Ask
    netdecal's Avatar
    netdecal Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 4, 2012, 08:59 PM
    Lennox 51m33
    I want to upgrade my thermostat to a Honeywell TH6220D
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Jan 5, 2012, 06:29 AM
    OK,, go ahead
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #3

    Jan 5, 2012, 06:31 AM
    Be sure to turn off power to furnace before you start
    Also might be wise to tag each wire as you remove from each post of old tstat, so you have no confusion as to what color goes to what post of the new tstat
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Lennox furnace shuts off before reaching temp? Model lennox c33-44c-2f [ 0 Answers ]

Had cold snowy days and furnace will shut off before reaching set temp. The exhaust pipes were in the direct path of the blizzard. I can't see any ice blocking but there is a large chunk that appears to be from one of the pipe.

I have a lennox outside a/c unit and a lennox g26 series furnace.Low hum no air/ht [ 4 Answers ]

Lennox Value Series... serial 5896G56798 M/N 10ACB365-5 P Central a/c unit and a Lennox G26 Series gas furnace both about 13 or 14 yrs old. Came home from vacation and turned A/C on (son tried earlier in the week) only a low hum whether on auto or fan or if we try heat(same thing, low hum)......

51m33 to Honeywell TH7800 [ 0 Answers ]

I am attempting to replace a Lennox model 51m33 with a Honeywell TH8320U1008 7day 3/h 2/c Vision PRO 8000 Touchscreen Programmable Thermostat on a heat pump. The heat pump has one heat, one cool, emergency strip heat. The Lennox 51m33 was wired as follows: Orange - Reversing Valve - cool...

Lennox 51M33 stat to Hunter 44860 stat [ 4 Answers ]

Lennox Heat Pump with Electric heat backup Lennox 51M33 wiring O - orange R - red G - green Y1 - yellow W1 / E jumper - white L - light red (pink) C - black T (Outdoor temp sensor) - blue

View more questions Search