Kohler K-11748-K-NA Rite-Temp Rough In Valve with Diverter - Replaces Kohler K-305-K

Item #: bci1356174
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Product Details for the Kohler K-11748-K-NA

Kohler Rite-Temp Rough In Valve with Diverter (Replaces K-305-K)

This Rite-Temp pressure-balancing valve works behind the scenes to prevent scalding and freezing for a safe, comfortable water supply. The valve features a high-temperature limit stop and an optimal comfort zone, so you can set a maximum high and then find and maintain your desired water temperature. The diaphragm design virtually eliminates freeze-ups from contamination and water debris. This valve integrates a diverter mechanism for seamless actuation of a handshower/showerhead application OR a showerhead/tub spout application. Finally, universal NPT and direct sweat connections need no additional parts for installation.

  • Replaces the K-305-K in 2010
  • Back-to-back installation is ideal for unique or high-volume jobs
  • Large internal ports allow quick bath filling
  • Provides anti-scald protection and temperature regulation at flow rates as low as 1.75 gpm; far below federally mandated standards of 2.5 gpm
  • Brass valve body
  • Rite-Temp pressure-balancing diaphragm design
  • Pressure-balancing mechanism of one-piece diaphragm cartridge design for ease of maintenance
  • Mixing valve cycles from "cold" to "hot"
  • Integral diverter mechanism
  • High-temperature limit setting for added safety
  • Does not have screwdriver stops (See K-11748-KS)
  • Designed for showerhead and handshower applications
Our SKU: Kohler K-11748-K

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Kohler K-11748-K Reviews

Rated 3 out of 5 by from Works well but low flow As part of my bathroom remodeling we had the old style "pull up" diverter replaced with the K-305. We never saw anything to indicate this was a low flow device. After installing this and the new tile it's too late to do anything about it. Takes 15 to 20 minutes to fill the tub and my wife can't get enough shower pressure to really get all the shampoo out of her hair. Also, factory temperature setting was tepid. Very complicated to adjust for hotter water.
Date published: 2013-03-26
Rated 5 out of 5 by from Great quick shipping! I ordered the incorrect one at first. (My mistake). They gave me the return address and I shipped back and they shipped this one out right away. They applied the coupon I used on the 1st one to this item which was great and unexpected. I did have to pay return shipping but wth I ordered the wrong one so why should they pay for my mistake?
Date published: 2012-09-13
Rated 3 out of 5 by from Good value Shower valve arrived on time and price was good. It was packed in original Kohler box and Kohler seal on package was not broken. wish I could same the same for the shower trim and faucet I also purchased.
Date published: 2012-08-14
Rated 5 out of 5 by from Perfect Fit Shower valve was a perfect fit and performed exceptionally. Your info on the web site was clear and accurate.
Date published: 2011-08-01
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6 Questions from the Community
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Why did the K-11748-KS replace the K-305-KS?

The K-11748 has been modified to have anti-scald protection and temperature regulation at flow rates as low as 1.75 GPM; far below federally mandated standards of 2.5 gpm. 

can i get a 3 function valve so to have a tub fill, showerhead, and hand held devise with the Loure

The Kohler K-11748-K is a rite temp valve with diverter. This diverter only diverts for 2 functions. In order to get 3 functions you want to got with a separate diverter valve.

what is the difference between the k-11748-k and k-11748-ks. the k seems to be out everywhere and ks can be found. can they be swapped for each other.

The Kohler K-11748-K does not have screwdriver stops, whereas, the KS version does. Screwdriver stops allow you to turn the water off right at the valve if there was a leak. These two models are interchangeable.

Is there a Forte trim to fit the K-11748-K-NA valve?

The Kohler K-11748-K does not coordinate with a trim in the Forte collection.  Try the Kohler K-T5319-4E.

Will this valve work with the Kohler toobi shower trim?

The Kohler K-11748-K will work with the Kohler Toobi K-T8975-4.

Does this valve work with the Kohler Alteo one handle trim without the diverter button (Item # BCI1867585 | Model # K-T45106-4E-BN | Alteo Collection)?


This valve will work with BCI1867585.

Rite-Temp Rough In Valve with Diverter with Screwdriver Stops - Replaces Kohler K-305-KS

Kohler K-11748-K Technical Specs

Country Of Origin USA
Inlet/Outlet Size .5
Made in America Yes
Pressure Balanced Yes
Scald Guard Yes
Width 5.75

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