36" Extension Kit For 2-1/2" Linear Drain Channel 33425-NA

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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.


- Extends drain channel length by up to 36", from 60" to 96", for precise wall-to-wall installation
- 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" x 36", 2-1/2" x 48", or 2-1/2" x 60" linear drain grates to span desired final drain length


- Solid stainless steel and brass construction
- KOHLER® finishes resist corrosion and tarnishing


- Designed for installation with KOHLER K-80646 2-1/2" x 36"– 60" linear drain channel (sold separately)
- Through-the-floor, installed with tile

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