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03-09-2015, 07:39 PM #11
Hi Jim,
I guess I already said this in post #3 on this thread, but to reiterate . . .
These same refrigerators are popular on boats and are configured to run on either shore power or 12V. This is why you can see the "12V" mode on the control panel . . . but it never lights on RV fridges. Fridges on boats can't run on propane . . . a longer explanation . . .
On 12V, they draw about 10 amps, so will run down a single battery in a short time.
Being able to run the fridge on 12V while towing with the battery charging from the TV would seem like a logical thing to do. Why do RV fridges not have the 12V option ??
RobCate & Rob
2015 Reflection 303RLS
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03-10-2015, 06:11 AM #12Long RideGuest
No sure where I read this but I heard the reason is that the 12v operation nearly doubles the cost of the refrig.....don't know if that is true but it seems they should give you that choice
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03-10-2015, 11:19 AM #13
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Jim -- I have never towed with my fridge running on propane. Not because I was concerned about possible ignition, but I honestly did not know until recently that it was "possible."
I don't spend a lot of time in climates like yours, but I have found that if I have the fridge/freezer cooled to the appropriate level, and put a couple of the frozen "artificial ice" blocks in the fridge, I can run 8-10 hours towing and the fridge does not get warm. I have not, however, tested this procedure with something like ice cream in the freezer.
I just always turn the fridge back on when I stop for the night.
KKen & Wilma
Central Maryland
2014 Reflection 337RLS #439
2011 F250 CC 4x4
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03-11-2015, 02:00 PM #14
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They used to. I had a '76 and a '78 Tioga Class C, and in both of them the fridge was a 3-way: gas, 120V, or 12V.
We can probably take some educated guesses as to why that's no longer the case.
- Cost. More components, heavy wiring to carry the 12V current.
- Considerably shorter RV battery life, if you forget to switch to gas when dry camping.
- Risk of depleting TV battery, if you forget to unplug when dry camping.
- More complex packaging of components.
Maybe 3-ways are still available from Atwood, Norcold, Dometic, etc.
Dave2015 Reflection 337RLS, #931, Built 6/14, Purchased New 1/15
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