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Old 09-20-2020, 02:55 PM   #1
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Brand: Thor Motor Coach
State: Rhode Island
Posts: 114
THOR #11834
Vegas Coleman-Mach Thermostat

Itís not often that I RV in cold weather that requires I use the RVís heating system, just several days a year. Most often I use an electric spaced heater to get the chill out, and not on while sleeping. But when I do use the system, I find the thermostat not controlling the heat as set. For example, last night I set the thermostat a little below the 70 mark, approximately at 68, but the temperature in bedroom area was anywhere between 58 and 62. The heat came on, brought the temp up a few degrees, then went off for awhile before coming back on an hour or so later, when room temp was back down to 58-62. Is anyone else having this problem? Has anyone switched out the thermostat?

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Old 09-20-2020, 04:18 PM   #2
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Brand: Thor Motor Coach
Model: '17-Vegas 24.1
State: California
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THOR #13362
This is the common digital replacement for Thor RVs with Coleman
Itís dual purpose and controls your furnace as well
The thermostat will function much more accurately

I paid less, so shop around.
Also comes in Black

https://smile.amazon.com/Coleman-Airxcel-8330-3362-T-Stat-Digital
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Old 09-20-2020, 05:28 PM   #3
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Brand: Thor Motor Coach
State: Rhode Island
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THOR #11834
Vegas Coleman-Mack Thermostat

Thank you for the information. When installing this thermostat, will it match-up to the spot the present thermostat occupies? The walls are so thin, I hate to turn them into a pin cushion with new holes. Also is it difficult to install? I am far from being called a handy person.
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Old 09-20-2020, 05:29 PM   #4
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Brand: Thor Motor Coach
Model: '17-Vegas 24.1
State: California
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THOR #13362
thermo uses the same holes if I recall
instructions will match-up the wires for you
very ez, plug and play.
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Old 09-20-2020, 08:06 PM   #5
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Model: Newmar Bay Star Sport 300
State: Alabama
Posts: 4,196
THOR #6826
Vegas Coleman-Mack Thermostat

Quote:
Originally Posted by RichRob View Post
Thank you for the information. When installing this thermostat, will it match-up to the spot the present thermostat occupies? The walls are so thin, I hate to turn them into a pin cushion with new holes. Also is it difficult to install? I am far from being called a handy person.


Same mounting holes and (almost certainly) identical wiring - color matched. Very easy upgrade Iíve done several now. Maybe the current environment has resulted in higher prices but it seems to me the last one I bought was under $50! Comes in black too.
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Old 09-23-2020, 02:15 AM   #6
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Model: ACE 30.2
State: Massachusetts
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THOR #8180
One of the first things I changed!! You wonít be sorry. As said earlier color match to the old. Snap a pic of the old wire connections and just match them up.
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Old 09-23-2020, 02:25 AM   #7
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THOR #3471
$90 now
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Old 09-23-2020, 03:14 AM   #8
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Model: Newmar Bay Star Sport 300
State: Alabama
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$90 now


This is getting crazy. I bought one a year ago for under $50!
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Old 10-08-2020, 10:01 PM   #9
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Model: S.O.B.
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THOR #14543
Lightbulb

I got one last week for $77. Installed it this morning. Took about fifteen minutes. Two suggestions:
  1. Take a few pictures of all the wiring connections of the OLD thermostat before starting
  2. Disconnect old 'stat ONE WIRE AT A TIME and connect the new 'stat using the same wire color as the old one
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Old 10-08-2020, 10:34 PM   #10
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Brand: Keystone
Model: Sprinter
State: Florida
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THOR #15553
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Originally Posted by RichRob View Post
Thank you for the information. When installing this thermostat, will it match-up to the spot the present thermostat occupies? The walls are so thin, I hate to turn them into a pin cushion with new holes. Also is it difficult to install? I am far from being called a handy person.
You can do the same with a $24.00 Honeywell from HD. Just did mine this summer. Youtube is your friend. I used the programmable to get the backlight. This is the second one I have done.

https://www.homedepot.com/p/Honeywel...300B/203539496
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Old 02-24-2021, 04:10 PM   #11
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Originally Posted by cavie View Post
You can do the same with a $24.00 Honeywell from HD. Just did mine this summer. Youtube is your friend. I used the programmable to get the backlight. This is the second one I have done.

https://www.homedepot.com/p/Honeywel...300B/203539496


Finally getting around to installing this thermostat. Found a grey wire that does not match-up. Called Honeywell support, and was told that the grey was for low fan speed and the green is for high fan speed, and I could only use one. What did you do? Is there a big difference?
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Old 02-24-2021, 04:18 PM   #12
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Model: 2015 ACE 29.3
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https://www.jaycoowners.com/forums/f...stat-3055.html
hope this helps
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Old 02-24-2021, 06:40 PM   #13
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
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THOR #7035
Quote:
Originally Posted by RichRob View Post
Finally getting around to installing this thermostat. Found a grey wire that does not match-up. Called Honeywell support, and was told that the grey was for low fan speed and the green is for high fan speed, and I could only use one. What did you do? Is there a big difference?
Use high fan speed unless you want to install a separate speed selector switch with a SPDT switch.
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