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Recommended For Best Replacement For Dometic Duo-Therm 620426.321 & Heat Strip  

Question:

what unit will replace my 630515.321 ac unit with heat pump? I have 2 units and would be replacing both. they are 13500btu.

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Expert Reply:

For the simplest and most straight forward 13.5K btu replacement of your current Dometic air conditioner we have several options. Each of these AC's plug directly into your Dometic setup to work with your existing air distribution box. The Advent Air RV Air Conditioner, # ACM135 is a 13,500 Btu unit that comes in white cover. The # ACM135B is the same unit with a black cover.

We also have these same units configured with a start capacitor, # ACDOM135 in white and # ACDOM135B for black.

All of these units can add the Electric Heat Strip for Advent Air RV Air Conditioners, # ACMHD. All can also have the Start Capacitor, # ACMSCKIT added at a later time as well. Although, if you ever use a generator on your RV then I highly suggest you order with the start capacitor. The start capacitor "jumpstarts" the AC unit when a campsite or generator is struggling to provide enough power at that initial start-up when there is a heavy power draw. It stores energy that will later be used for the next startup and then a relay switch isolates the start capacitor once sufficient power has been supplied.

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Michael R

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