Good Sam Club Open Roads Forum: digital thermostat
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opnspaces

San Diego Ca

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Posted: 11/30/19 10:53am Link  |  Quote  |  Print  |  Notify Moderator

Hey Dusty, could you expand on your post? What part of the post is because homes use 24v and RV's use 12v? Is it the jumper between RH and RC? I've always thought that was weird that they all use an external jumper and don't just connect them together internally.


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Spridle

North Los Angeles

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Posted: 12/01/19 11:56am Link  |  Quote  |  Print  |  Notify Moderator

I changed my mechanical heat only thermostat to a digital Honeywell heat only unit last month. the on/off switch on the one that came with the trailer was difficult to move and I finally broke it of trying to switch on the furnace.
I installed this one.
Honeywell digital thermostat, heat only, with on off switch

It was simple.
White wire to W
Red wire to R

time2roll

Southern California

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Posted: 12/01/19 12:06pm Link  |  Quote  |  Print  |  Notify Moderator

swimmer_spe wrote:

I have a 20 year old trailer that has an old manual thermostat for the furnace. Can I just switch it out for a digital thermostat? I know I need to make sure it'll work with the number of wires currently at it.
No air conditioner?

Otherwise yes you can buy a battery powered heat only digital thermostat.


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swimmer_spe

Sudbury, Ontario, Canada

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Posted: 12/02/19 11:56am Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

swimmer_spe wrote:

I have a 20 year old trailer that has an old manual thermostat for the furnace. Can I just switch it out for a digital thermostat? I know I need to make sure it'll work with the number of wires currently at it.
No air conditioner?

Otherwise yes you can buy a battery powered heat only digital thermostat.


Trailer has AC, but it is not controlled by the thermostat. If I could, I would....

time2roll

Southern California

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Posted: 12/02/19 12:23pm Link  |  Quote  |  Print  |  Notify Moderator

swimmer_spe wrote:

Trailer has AC, but it is not controlled by the thermostat. If I could, I would....
Well you most likely can however it may require A/C replacement and pulling thermostat wires and furnace control wires.

swimmer_spe

Sudbury, Ontario, Canada

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Posted: 12/02/19 02:14pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

swimmer_spe wrote:

Trailer has AC, but it is not controlled by the thermostat. If I could, I would....
Well you most likely can however it may require A/C replacement and pulling thermostat wires and furnace control wires.


I don't want it that bad. If it were simple, then yes...

philh

Belleville MI

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Posted: 12/07/19 08:41pm Link  |  Quote  |  Print  |  Notify Moderator

NOTE: Even fresh batteries don't like being below 20F. Went to the trailer to do a little bit of work today, thermostat was cold and wouldn't start up. Now have lithium batteries in it.

swimmer_spe

Sudbury, Ontario, Canada

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Posted: 12/07/19 09:55pm Link  |  Quote  |  Print  |  Notify Moderator

philh wrote:

NOTE: Even fresh batteries don't like being below 20F. Went to the trailer to do a little bit of work today, thermostat was cold and wouldn't start up. Now have lithium batteries in it.


So, fresh batteries every spring?

prichardson

Lafayette, La

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Posted: 12/08/19 07:33am Link  |  Quote  |  Print  |  Notify Moderator

No they should last a couple of years. Batteries don't like to power things when very cold.

philh

Belleville MI

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Posted: 12/08/19 05:28pm Link  |  Quote  |  Print  |  Notify Moderator

swimmer_spe wrote:

philh wrote:

NOTE: Even fresh batteries don't like being below 20F. Went to the trailer to do a little bit of work today, thermostat was cold and wouldn't start up. Now have lithium batteries in it.


So, fresh batteries every spring?

These were brand new batteries. Thermostat was not happy with the voltage they put out in low 20F. I was able to warm them up enough to get the furnace started, but my next trip to the store, picked up lithium which do work well in the cold.

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