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26 in. Wall Sleeve for Through-the-Wall Air Conditioners

$12999
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  • Bears the weight of the AC while keeping it insulated
  • Keeps AC safe from dust and bugs that may get sucked by the AC
  • Durable sleeve is weather- and corrosion-resistant
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Product Details

The Keystone 26 in. wall sleeve for through-the-wall air conditioners should be securely fastened within a wall opening before installing the air conditioner. The sleeve helps bear the weight of the air conditioner while keeping it insulated and safe from dust, bugs and other debris that could get sucked into it. Inclement weather, corrosion and other elements cannot match the protective power of this metal sleeve.
  • 26 in. wall sleeve to be used with through-the-wall air conditioners
  • Install wall sleeve in pre-cast concrete or masonary walls up to 17.75 inches thick.
  • Wall sleeve to be securely fastened to wall opening before installing air conditioner
  • Helps bear the weight of the air conditioner
  • Helps insulate the air conditioner
  • Protects the air conditioner from dust, bugs and other debris that could get sucked into it
  • All metal construction withstands inclement weather, corrosion and other elements
  • Compatible with any through-the-wall unit up to 26 inches wide
  • Return Policy
  • California residents

Additional Resources

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Customer Reviews

4 out of 5
(332)
  • 4
    out of 332 reviews
  • 80%recommend this product
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Showing 1-10 of 332 reviews
Great for putting a hole through the wall
Great for putting a hole through the wall
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  • Verified Purchase
  • Recommended
Ok.... but definitely not impressed with assembly. Could...
Ok.... but definitely not impressed with assembly. Could use way better assembly and installation instructions! Next time I'll avoid "universal " sleeves....
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3 found this review helpful
Worked fine for my TTW Emerson A/C install. Sturdy and has a nice finish. Be sure to install it...
Worked fine for my TTW Emerson A/C install. Sturdy and has a nice finish. Be sure to install it with a slight downward/outward slope.
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  • Recommended
3 found this review helpful
I always prefer to use the same product recommended for the products that I purchase and in this ...
I always prefer to use the same product recommended for the products that I purchase and in this case I was installing it in an new opening and the AC unit recommended the Keystone sleeve. It is very well built, very heavy construction and the AC unit fits into it like a glove.
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  • Recommended
4 found this review helpful
Thank goodness I ordered 2. First sleeve had 2 left sides. Poor packing.
Thank goodness I ordered 2. First sleeve had 2 left sides. Poor packing.
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  • Recommended
3 found this review helpful
i used this for a keystone a/c unit and it is essentially a perfect fit ,, as expected ... the sc...
i used this for a keystone a/c unit and it is essentially a perfect fit ,, as expected ... the screws are cheep with philips head that is not deep ,, if you start to screw them into the metal ,, the screw head can strip being hard to screw in ,, as other reviewers has stated ,,, so i then used a drill to work the existing holes and the screws then bit into the metal lot easier without tearing up the screw head ... all the holes lined up to make the sleeve square, the sleeve outside exact measurements are 25.5" wide, 15.5" high ,, make your wall framing hole to fit that ,, and case depth is 17.5" .. notice on the inside facing,, the metal is bent to make a lip all around ,, so the a/c unit itself is 24" x 14.5" ,, you will then set and fill the space with foam that you get with the a/c and foam that comes with the sleeve... Notice the lips 1/4" are bigger on the bottom and sides and smaller 1/8" on top to allow fitting the a/c unit in ..see my pictures and the gaps are the same all around with the a/c unit in the sleeve.
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17 found this review helpful
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Works great and fits many other units....
Works great and fits many other units.
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Worked great. Assembled quickly. Had all the parts needed to...
Worked great. Assembled quickly. Had all the parts needed to assemble.
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Showing 1-10 of 332 reviews

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