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GP876851 Mixer and Pressure-Balancing Unit Kit,Compatible with Kohler Shower Valves K-304 and K-11748 Platforms Include GP800820 and GP77759,Black

4.1 4.1 out of 5 stars 230 ratings
$26.45 with 42 percent savings
List Price: $45.99

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Purchase options and add-ons

  • 1. Easy to install
  • 2. Replacement for Kohler parts GP76851
  • 3. Compatible with Kohler shower valve K-304 and K-11748
  • 4. Control the pressure and adjust the temperature to ensure a comfortable shower experience
  • 5.Notice:The o-ring must be laid flat.（Figure 4）
› See more product details

Customer ratings by feature

Temperature Control
4.2 4.2
Easy to install
4.1 4.1
Value for money
3.6 3.6
See all reviews

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GP876851

GP876851 Mixer and Pressure-Balancing Unit Kit,Compatible with Kohler Shower Valves K-304 and K-11748 Platforms Include GP800820 and GP77759,Black

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Product Description

Mixer and Pressure-Balancing Unit Kit replacement for Kohler Part GP876851, including Replacement for GP800820 and GP77759, replacement for Kohler part GP76851, compatible with Kohler shower valve K-304 and K-11748.

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KOHLER 8304-K-NA Rite-Temp Pressure-Balancing Valve Body and Cartridge Kit, Shower Valve System, 6.25 5.25 5.50
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Kohler K-GP77759 MIXER CAP FOR PRESSURE BALANCE 1/2" SHOWER VALVE, No Size, Black
Kohler K-GP77759 MIXER CAP FOR PRESSURE BALANCE 1/2" SHOWER VALVE, No Size, Black
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Price-28% $32.99
List: $45.99		$52.99-25% $66.71
List: $88.95		$239.40$101.02-11% $35.00
List: $39.50
Delivery
Get it as soon as Saturday, May 4
Get it as soon as Saturday, May 4
Get it as soon as Saturday, May 4
Get it as soon as Thursday, May 9
Get it as soon as Saturday, May 4
Get it as soon as Monday, May 6
Customer Ratings
4.14.1 out of 5 stars230
4.34.3 out of 5 stars34
4.44.4 out of 5 stars162
4.24.2 out of 5 stars40
4.54.5 out of 5 stars1,143
4.64.6 out of 5 stars984
Temperature Control
4.2
4.8
5.0
—
3.5
4.6
Easy to install
4.1
4.7
4.5
—
3.7
4.6
Value for money
3.6
4.8
4.0
—
3.3
4.3
Sold By
nipponAsia
nipponAsia
Amazon.com
Amazon.com
Amazon.com
HunterFP (Serial # Recorded)
material
—
Brass
Metal
Metal
Forged De-zincification Resistant Brass
Plastic
exterior finish
—
—
Chrome
Hard Graphite
Brass
painted

Customer reviews

4.1 out of 5 stars
4.1 out of 5
230 global ratings

Customers say

Customers like the ease of installation of the valve. For example, they mention the instructions are good and the cartridge is fairly straight forward. That said, some complain about the quality. Opinions are mixed on leakage.

AI-generated from the text of customer reviews

14 customers mention14 positive0 negative

Customers find the installation of the valve to be easy with the good instructions. They also mention that the cartridge is fairly straight forward and simple to remove and install.

"Easy to install, anf functions as designed. No leaks so far. 🤞..." Read more

"Putting it in was easy. Worked perfectly to replace a Kohler brand kit that was only about 2 years old...." Read more

"Cartridge fit perfictly . Instructions were good. No picturegrams ." Read more

"...I put it back on and still no hot water. The cartridge was fairly straight forward so I focused on the PBU (the part in the back)...." Read more

13 customers mention13 positive0 negative

Customers are satisfied with the performance of the valve. They mention that it works excellent, has no issues, and has been working fine for three months now.

"Easy to install, anf functions as designed. No leaks so far. 🤞..." Read more

"...So, I had to buy the Kohler branded one again. So far, the Kohler is working fine..lat less than 24 hrs at least...." Read more

"...Been working great for 3 months now and no issues. Much less expensive than the OEM part." Read more

"This valve assembly fit perfectly and worked exactly as described. installation was straight forward...." Read more

7 customers mention5 positive2 negative

Customers like the fit of the valve. They mention that it fits perfectly and works exactly as described.

"Cartridge fit perfictly . Instructions were good. No picturegrams ." Read more

"Fast shipping. Item fitted perfectly" Read more

"This product does not correctly fit in the Kohler valve bodies. Lesson learned. Do not buy anything but genuine manufacturers parts." Read more

"This valve assembly fit perfectly and worked exactly as described. installation was straight forward...." Read more

21 customers mention7 positive14 negative

Customers have mixed opinions about the leakage of the valve. Some mention that there are no leaks so far, while others say that it still leaks.

"...And then at about 1 1/2 months, it started to drip incessantly. Leaking only worsened to the point where it ran nearly non-stop...." Read more

"This product stopped my leak. Thank you YouTube for instructions" Read more

"...it arrived I had a professional plumber install it just to find out it leaked. Replaced the part and had no issues...." Read more

"...Ended spending more since this thing leaked and didn't balance the water at all. Had to then buy the official Kohler product and swap this junk out...." Read more

7 customers mention0 positive7 negative

Customers are dissatisfied with the quality of the valve. They mention that it only worked for a week before it started leaking, and both the mixer and cartridge are defective.

"...This unit was horrible. AND since it lasted over 30 days, I can't return it. All I can do is just whine (there...done). Best wishes folks!" Read more

"Both mixer and cartridge are defective- mixer does not fully shut off water supply and cartridge does not mix hot and cold well...." Read more

"Did not work well. Fixed my original problem but gave me a constant leak regardless of what I tried...." Read more

"...strange and odd. Chinese crap not oem quality do not buy" Read more

Cheap knock ofd
1 Star
Cheap knock ofd
Don't buy this cheap knock off. Picture on the left next to the real Kohler I had to purchase to replace it. I never could get this to not leak. It actually leaked worse than the worn out Kohler valve I was replacing.
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Top reviews from the United States

WaterwayGirl
5.0 out of 5 stars Works great with Kohler shower
Reviewed in the United States on March 28, 2024
Verified Purchase
This product stopped my leak. Thank you YouTube for instructions
One person found this helpful
Helpful
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WILLIAM J HALEY JR
5.0 out of 5 stars Kohler shower mixing valve
Reviewed in the United States on January 31, 2024
Verified Purchase
Easy to install, anf functions as designed. No leaks so far. 🤞
One person found this helpful
Helpful
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Steven Bock
1.0 out of 5 stars leaked terribly at 2 months
Reviewed in the United States on November 7, 2023
Verified Purchase
Putting it in was easy. Worked perfectly to replace a Kohler brand kit that was only about 2 years old. And then at about 1 1/2 months, it started to drip incessantly. Leaking only worsened to the point where it ran nearly non-stop. Bought a replacement like this one, and it was a bit different and didn't fit in the shower body plumbing assembly. So, I had to buy the Kohler branded one again. So far, the Kohler is working fine..lat less than 24 hrs at least. But the lesson is to not spend $60 and get a generic part Spend all $100 and get the name brand item. This unit was horrible. AND since it lasted over 30 days, I can't return it. All I can do is just whine (there...done). Best wishes folks!
2 people found this helpful
Helpful
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Randy
5.0 out of 5 stars Good Work
Reviewed in the United States on February 6, 2024
Verified Purchase
Cartridge fit perfictly . Instructions were good. No picturegrams .
Helpful
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David
4.0 out of 5 stars Not an exact replacement but has lots of o rings for various versions
Reviewed in the United States on February 2, 2024
Verified Purchase
Wish I could buy the Kohler version but it works

Could get the handle screw off the old one and this version didn’t come w it
Helpful
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Michael D shaffer
5.0 out of 5 stars Works great after 3 months
Reviewed in the United States on January 26, 2024
Verified Purchase
No leaks… nice to have a hot shower again! Been working great for 3 months now and no issues. Much less expensive than the OEM part.
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James Kriseman
5.0 out of 5 stars Kohler brand replacement
Reviewed in the United States on March 15, 2024
Verified Purchase
always get the Kohler product, it lasts and fits better
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Don
5.0 out of 5 stars Worked great
Reviewed in the United States on February 6, 2024
Verified Purchase
The packaging included instructions and even a Allen wrench for adjusting the high temperature set screw. Our kholer shower was not shutting off completely so we got the balancing unit and the volume controller
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Top reviews from other countries

S Ruddy
5.0 out of 5 stars Good kit
Reviewed in Canada on April 16, 2024
Verified Purchase
Lots of O rings included. Should include lubricant but have my own and worked well on installation
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A K
1.0 out of 5 stars Bad Quality, Go Bad after 2-3 months
Reviewed in Canada on May 9, 2023
Verified Purchase
We have purchased it didn't work for month or so, do not purchase. if you want something last buy original. don't buy this cheap item. I have learned my lesson hard way. You can't returned or refund it. not worth to buy.
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