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goff1256

Montrose Co

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Posted: 09/17/21 06:48pm Link  |  Quote  |  Print  |  Notify Moderator

So it looks like my 20 year old coach is needing a new rear air conditioner which one should I buy


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jdc1

Rescue, Ca

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Posted: 09/17/21 07:51pm Link  |  Quote  |  Print  |  Notify Moderator

If you buy the same model as you have, you can save a couple of bucks by not purchasing the lower unit (control).

wa8yxm

Davison Michigan (East of Flint)

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Posted: 09/18/21 05:04am Link  |  Quote  |  Print  |  Notify Moderator

If you replace with a like unit *Same make and model* you have the easiest job. Remove ceiling (intake) grill and filter. Unplug an umbicial or two, remove 4 bolts.. go topside (Take new Roof unit with you it's about 90 pounds)

Remove roof top unit and gasket
Clean
Lay down new gasket
Lay roof top unit on top
Partner hollers directions so it lines up
4 Bolts
A plug or two
Replace intake
Done

If you change makes you may need to replace the control electronics and the lower unit. the only thing you likely will NOT need to replace is the center unit (The ducting part) Go ith a 15K unit not a 13.5.


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MountainAir05

New Mexico

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Posted: 09/18/21 12:46pm Link  |  Quote  |  Print  |  Notify Moderator

I suspect that you will not find the same model #. Also is it ducted or ceiling intake. Will your old thermostat work with new unit.

down home

south

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Posted: 09/19/21 06:02am Link  |  Quote  |  Print  |  Notify Moderator

Have who yu buy from check compatibility with 20 year old controls and wiring. And install a higher output HEAT PUMP. Size of openings are pretty standard. 20 year old AC the whole of it probably should be replaced. Higher output units also make sure your generator and breakers are sufficient. We installed a front, not main heat pump with a higher output unit on our Revolution. RV Tech located a Coleman who bought out our heat pump mfg years ago, a unit compatible with our existing thermostat that integrates and coordinates heat pumps and furnaces. Not more than 800.00 total. They had to re do it once as the drain line was pouring water into the coach. New larger Heat Pump, newer tech, and the thing nearly froze us out in July in Kingman, Az. Had to more closely set the thermostat. The sensor for the thermostat was right near a 12 volt amp over third seat and the heat would keep the heat pump cranking while we froze.

hohenwald48

Nashville, TN

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Posted: 09/25/21 03:51pm Link  |  Quote  |  Print  |  Notify Moderator

From what I've heard lately about air conditioner availability, I'd probably buy the first one I could find in stock and make it work.[emoticon]


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ArchHoagland

Clovis, CA, USA

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Posted: 09/26/21 07:39pm Link  |  Quote  |  Print  |  Notify Moderator

hohenwald48 wrote:

From what I've heard lately about air conditioner availability, I'd probably buy the first one I could find in stock and make it work.[emoticon]


Took the words out of my mouth.

Good luck finding anything in stock.


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