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Old 11-08-2014, 07:49 AM   #1
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Analog Coleman Mach Thermostat

Trying to stay warm this morning in 28 degree Ohio weather. Had the thermostat set on 62 and when I got up the temp inside was 53 and the furnace has not come on. Had to slide the temp control up to 69 and then it kicked on. Have noticed this thermostat is off quite a bit in the past. Seems like 8-9 degrees is a pretty large variance though.
Was wondering what your experience has been with this thermostat.
Thanks
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Old 11-08-2014, 08:05 AM   #2
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I replaced mine with a digital Coleman Mach thermostat because of that.
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Old 11-08-2014, 08:13 AM   #3
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Was the digital pretty easy to install? Where did you get?How much variance do you notice with it.
Thanks
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Old 11-08-2014, 08:25 AM   #4
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RV Digital Thermostat Upgrade | ModMyRV

This oughta help you out.
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Old 11-08-2014, 10:32 AM   #5
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One of the single best mods I have done to my TT. I had to do a lot of studying on which wire controlled what but with some experimentation(and a blown fuse) I got it done. I don't have a toggle switch for the fan hi/lo modes. Just used the lo fan because there was a not a lot of difference in the output between the hi/lo other than the noise level. And I use an oscillating tower fan anyway to help circulate the air. During the colder times, I will bump up the temp when my wife comes out of the shower and then bump it back down after she's out. With the analog stat, I was constantly moving it up and down. NO MORE! I can't believe the manufacturers still put these analogs in their rigs. We're not talking about a lot of money here.
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Old 11-08-2014, 10:49 AM   #6
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Quote:
Originally Posted by garycarson View Post
Trying to stay warm this morning in 28 degree Ohio weather. Had the thermostat set on 62 and when I got up the temp inside was 53 and the furnace has not come on. Had to slide the temp control up to 69 and then it kicked on. Have noticed this thermostat is off quite a bit in the past. Seems like 8-9 degrees is a pretty large variance though.
Was wondering what your experience has been with this thermostat.
Thanks
Get this stat off Amazon Coleman mach #8330-3362 it's digital with plus or minus 1 degree. Cost 69.00...
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Old 11-08-2014, 10:58 AM   #7
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To turn a phrase, digital tstats are the best thing since sliced bread. I replaced my analog about the 3rd time out.
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Old 11-08-2014, 03:06 PM   #8
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There is another similar thread to this going on...yes the analog slide thermostats are crap! Way too much temp variance...I will be changing mine to the Coleman gljurczyk suggests.
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Old 11-08-2014, 05:15 PM   #9
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There is another similar thread to this going on...yes the analog slide thermostats are crap! Way too much temp variance...I will be changing mine to the Coleman gljurczyk suggests.
Yes, there is I was tring to help this guy yesterday but he wanted to run his blower A/C at the same time as the furnace and when I looked up the sub base wiring I told him it wouldn't do what he wanted to do and it was a Honeywell set back. So I looked and found this one, I'm getting one to. the difference is minus or plus 1 degree. Make sure you plug the wall hole the wires come through or you get false temp readings....
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Old 11-09-2014, 01:03 AM   #10
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Is that because the air from the wall hole is perhaps warmer or cooler than the inside temp and the stat is picking that up? Plug the hole with something like an expandable foam insulation from a pressurized can? Or just standard insulation?
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