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Old 03-21-2016, 01:30 PM   #1
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Repair Propane Refrigerator (Dometic) or Install Residential (Whirlpool) w/Inverter?

My 2010 Dometic RM2852 (8 cu ft) refrigerator no longer maintains 40 F on electric or propane although the freezer is OK... I already replaced the thermistor, added 12V fans & temporarily swapped control boards with no improvements so IMO the cooling unit needs replaced.

My 1st option is to replace the cooling unit with a NEW Amish-redesign (not refurbished) for $710 (shipped). The thicker coils & better boiler design are supposed to last longer & handle higher outdoor temps better than OEM...

My 2nd option is to install a new $400 Whirlpool 10.6 cu ft residential fridge(WRT111SFDB), $300-500 Inverter/Transfer Switch (Xantrex Freedom?), (2) 6V Deep Cycle Batteries ($300+ for 2), plus misc. 0 gauge wiring, etc.

I can install either option myself so it comes down to price... What is the best bang-for-the buck inverter, transfer switch, and (2) battery option that will handle the 10.6 cu. ft. residential fridge? (I don't have room/budget for 4 batteries...) Thanks in advance!
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Old 03-21-2016, 01:39 PM   #2
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In my opinion, I'd repair the propane fridge rather than installing the inverter and batteries. The battery maintenance and replacement will add to the cost over time and I think that'll add even more cost of ownership.
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Old 03-21-2016, 03:15 PM   #3
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Due to our Ohio winters & I also have to remove & store/charge the batteries each winter but I could also use the inverter to power other things... Choices, choices...
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Old 03-21-2016, 06:01 PM   #4
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My bet would be to switch to the residential reefer. There have been a lot of problems with LP/AC units on other product lines. You can get a Xantrex 1000W with an external transfer switch and the reefer for less than the price of the Amish unit. Couple of good 6 volt deep cycle batters and you are there. Besides, you have AC all the time for other things in the TT and a new set of batteries. I presume that the 1,000 watt unit will suffice. My RV has a 2000 watt Xantrex ProWatt since wave unit, but many of the same size used the 1,000 watt inverter. My 21 cu ft Frigidaire uses less than 1,000 watts.
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Old 03-21-2016, 10:31 PM   #5
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Just one question. Do you boondock?
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Old 03-22-2016, 12:28 PM   #6
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Rich5117 X2. If you always have shore power, then I would go for the residential.
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Old 03-22-2016, 01:05 PM   #7
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Do you have a generator for recharging the batteries. With only two batteries you will be running low on 12 power after only a day. If you always have a campsite with power, go residential.

Having residential may limit your resale. A boondocker may not be interested.
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Old 03-22-2016, 02:56 PM   #8
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The boondock question is the big one. If you literally always plug in at some kind of commercial campground, go residential with an inverter.

However, if, like me, you prefer more remote locations which rarely have power, you will need a monster solar system and big batteries to even have a hope of keeping this thing powered up.

For me, dual fuel, propane or electric, is the only way to go.
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Old 03-22-2016, 05:31 PM   #9
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Since the freezer is working OK, did you check the seal around the refrigerator door to verify it is sealing? A poor seal will keep the refrigerator portion from working properly.
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Old 03-22-2016, 06:17 PM   #10
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I have had both and both have good points. The residential you don't have to worry about the camper being level, the residential will get colder plus I have a ice maker. The residential is bigger plus if it should quit the replacement cost will be a lot less plus I don't ever have to worry about a refrigerator fire. The downside is battery power. I have four 6 volt batteries plus a inverter, my batteries should last two days at least. I plan to add solar to keep my batteries charged up and I have two Honda's that I use when I boondock.


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