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Kohler Shower Drains Linear
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Kohler 36'' Extension Kit For 2-1/2'' Linear Drain Channel

SKU: 33425-NA

$255.93

Price

Originally $341.25 - Save 25%

Due to the pandemic Kohler lead times are extremely long and they are out of stock on many items. Please call us for availability before ordering Kohler. We can help you find an alternative with a more reasonable lead time.

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  • Product Type Linear Shower Drain
  • Length 36.5"  Width 4.85"  Height 4"  Weight 8.75 lbs. 
  • View Complete Specs

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Product Details

Kohler 33425-NA

Linear drains bring a modern look to any shower they''''re installed in, and this 36'''' extension kit for the KOHLER 2-1/2'''' linear drain channel will allow your drain to go the distance in larger showers. This kit includes a 36'''' channel with adjustable subfloor brackets, allowing you to extend your existing linear shower drain channel from 60'''' to 96'''' long. This product is intended to be installed with the K-80646 linear shower drain.


  • UPC 195711028419
  • Online Product ID 12822176
  • Length 36.5"
  • Width 4.85"
  • Height 4"
  • Weight 8.75 lbs.
  • Made In China
  • Material Stainless Steel,Brass
  • Warranty KOHLER One-Year Limited Warranty
  • Shipping L:6.57"x W:39.57"x H:4.13" 8.75 lbs.

Additional information

  • Extends drain channel length by up to 36''
  • Use with K-80646 linear drain channel (sold separately)
  • Through-the-floor, installed with tile.
  • Increases the standard drain''s flow capacity from 15 gpm (56.8 lpm) to 30 gpm (113.4 lpm). Rate may vary by installation
  • Drain outlet location can be adjusted to bypass joints, venting, or other in-floor obstacles
  • Outlet adapter can be preattached to drain pipe for simplified installation and access to couplings
  • Easy-clean domed hair strainer prevents clogs
  • Subfloor brackets are height-adjustable to ensure the drain channel is mounted at the correct height during installation
  • Wide-top flange with protective film ensures excellent waterproof adhesion
  • Can also be installed with KOHLER side-outlet adapter K-28987 (sold separately)
  • Requires at least two Kohler 2-1/2 in. x 36 in., 2-1/2 in. x 48 in., or 2-1/2 in. x 60 in. linear drain grates to span desired final drain length
  • Solid stainless steel and brass construction
  • Extends drain channel length by up to 36 in., from 60 in. to 96 in., for precise wall-to-wall installation

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