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Car Forum / Driving, Maintenance, Tuning / RVs / December 2006

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Furnace Thermostat that goes down to 40 degrees F

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nubehiker@yahoo.com - 26 Nov 2006 15:02 GMT
I'll be camping for an extended time where the temps will drop down
below 15 degrees F overnight.  My current furnace thermostat only goes
down to 55 degrees F, and I don't want to keep my travel trailer that
warm overnight (wasting a lot of LP).

Does anyone know of a 12v furnace thermostat that can be set as low as
40 degrees?

Thanks!
Steve Barker LT - 26 Nov 2006 16:24 GMT
The one in my forrest river goes to forty.  Don't know what brand it is, i'm
not where it is right now.  I'll check later today.

Signature

Steve Barker

> I'll be camping for an extended time where the temps will drop down
> below 15 degrees F overnight.  My current furnace thermostat only goes
[quoted text clipped - 5 lines]
>
> Thanks!
Kerry - 27 Nov 2006 00:47 GMT
Try one of the digital home replacements or actually any thermostat (home or
camper)  They are simple devices that should be interchangeable.  The
thermostat does not run of 12V.  It simply triggers the furnace to come on.
As a matter of fact most use a bi-metal coil that trips a mercury switch.
Bi-metal strips are very sensitive to heat.  The digitals actually have a
battery to run a thermometer chip that you can set the trip temperature on.

One thought though... Your water system...It may be 40 inside but what will
it be outside of the walls in the holding tanks etc?  Few manufacturers have
the drinking water holding tank etc above the lower skin.  And even at that,
that skin is not much more than canvas.

> The one in my forrest river goes to forty.  Don't know what brand it is,
> i'm not where it is right now.  I'll check later today.
[quoted text clipped - 8 lines]
>>
>> Thanks!
SnoMan - 27 Nov 2006 12:41 GMT
>One thought though... Your water system...It may be 40 inside but what will
>it be outside of the walls in the holding tanks etc?  Few manufacturers have
>the drinking water holding tank etc above the lower skin.  And even at that,
>that skin is not much more than canvas.

Good thought, I do not think that I would want to drop it much below
50 if it was well below freezing outside unless there was no water in
trailer or the lines and storage were truely heated.
-----------------
TheSnoMan.com
nubehiker@yahoo.com - 02 Dec 2006 16:51 GMT
My water tank is suspended about 4" below the trailer insulation and
freezes regularly when the outside temps drop below 20 degrees F, even
if the inside of my trailer is a toasty 60 degrees F.  I'm purchasing a
12" long 13.5v pipe heater to wrap around the inlet pipe to protect the
fitting on the tank and my water pump.  The tank usually thaws by noon
if the outside temp warms to over 40 degrees F, and so far the freezing
hasn't caused any damage to the tank, pump or water lines.

Your recommendation on keeping the inside warm sounds good -- maybe
around 45-55 degrees F to continue to protect my pump, inside lines and
water heater tank.

Thanks,
Thad

> >One thought though... Your water system...It may be 40 inside but what will
> >it be outside of the walls in the holding tanks etc?  Few manufacturers have
[quoted text clipped - 6 lines]
> -----------------
> TheSnoMan.com
 
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