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This kit offers unmatched safety, convenience, filtration and sanitation in one complete package.

 

Featuring a patent-pending self-disconnect safety kill switch, WiFi-controlled thermostat, integrated ozone generator to eliminate 99.9% of bacteria, advanced filtration, and exceptional build quality, it's engineered to keep your plunge water pristine for months and your experience worry-free.

 

Simply follow our detailed tutorial to easily convert your chest freezer—no special skills required. Install the durable, spa-grade liner, place the advanced filtration system, and connect the user-friendly control box with included sensors and safety mechanisms.

 

 

FREEZER NOT INCLUDED. Compatible with: READ info section.

 

Made in USA

DIY cold plunge conversion kit

$329.00 Regular Price
$219.00Sale Price
Quantity
  • Medium: 14 cu.ft: Hamilton  

    Or

    Medium (Most Popular): 14.8 cu.ft: Fridgidaire 

    Or

    Small: 10cu.ft.

    Or

    Large: 19.8 cuft Frigidaire

    Some chest freezers specify dimensions as 16cuft, sometimes this refers to the outside dimmensions which means it is 14cuft in the inside (email contact@boxplunge.com if you have any questions)

average rating is 5 out of 5, based on 2 votes, Product ratings
4/11/2025
By: Steve F.
average rating is 5 out of 5

am 6'6" and I fit! Also, much better equipment than most plunges (and less expensive!). I set up mine on my garage, it was super easy, would recommend it!

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4/7/2025
By: Jason Montano
average rating is 5 out of 5

I got a Box Plunge DIY because of the ease of it. It went together quickly. If the freezer ever goes bad and can’t be repaired, I can swap the kit over to a new freezer and I’m not out the total cost of a built plunge. If for some reason I decide cold plunge therapy isn’t for me, I still have a working chest freezer. This kit is really a “set it and forget it” deal. I clean the skimmer and filter, and use H2o2 and my water is crystal clear over 6 weeks later. I highly recommend Box Plunge!

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