0885612102942

KOHLER

Model RGP77759

Internet #202588886

Store SKU #404517

Store SO SKU #1000898612

Mixer Cap for Pressure Balance 1/2 in. Valve

$39.47 /each

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Product Overview

The KOHLER Shower Mixer Cap Kit helps your shower handle turn smoothly and fit snugly (handle sold separately). The mixer cap kit features a hot temperature control for safety. For use with KOHLER K-304 pressure balance valves (sold separately).

  • Genuine KOHLER part
  • Plastic construction
  • Hot temperature control for safety
  • Helps your shower handle turn smoothly and fit snugly (handle sold separately)
  • Compatible with KOHLER trim (sold separately)

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Customer Questions & Answers

16 Questions22 Answers

Customer Questions & Answers

Mixer Cap for Pressure Balance 1/2 in. Valve
Mixer Cap for Pressure Balance 1/2 in. Valve

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3 answers

The water comes out either very hot or very cold, no in-between. Will replacing the mixer cap fix my problem?

This question is from Mixer Cap for Pressure Balance 1/2 in. Valve
Asked by
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July 20, 2014
I have a Kohler single handle tub faucet.
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Answers (3)

Asked by
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Home Improvement Profile: DIYer
August 19, 2014
Answer: 
Did you check your setting? You can control this with the settings for the maximum temperature. It is inside the mixer cap.
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Asked by
KohlerCo.
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Home Improvement Profile: Other
July 21, 2014
Answer: 
Hello, my name is Jelane with the Kohler Customer Service. I am happy to assist you with your KOHLER Model # RGP77759Mixer Cap for Pressure Balance 1/2 in. Valvequestion.
For temperature issues I would recommend replacing the PBU part number GP500520. This may be under a warranty please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
.
Thank you for your inquiry and choosing the
Read More
Hello, my name is Jelane with the Kohler Customer Service. I am happy to assist you with your KOHLER Model # RGP77759Mixer Cap for Pressure Balance 1/2 in. Valvequestion.
For temperature issues I would recommend replacing the PBU part number GP500520. This may be under a warranty please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
.
Thank you for your inquiry and choosing the Bold Look of KOHLER.
Read Less
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Asked by
KohlerCo.
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Home Improvement Profile: Other
July 21, 2014
Answer: 
Hello, my name is Jelane with the Kohler Customer Service. I am happy to assist you with your KOHLER Model # RGP77759Mixer Cap for Pressure Balance 1/2 in. Valve question.
For temperature issues I would recommend replacing the PBU part number GP500520. This may be under a warranty please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
.
Thank you for your inquiry and choosing the
Read More
Hello, my name is Jelane with the Kohler Customer Service. I am happy to assist you with your KOHLER Model # RGP77759Mixer Cap for Pressure Balance 1/2 in. Valve question.
For temperature issues I would recommend replacing the PBU part number GP500520. This may be under a warranty please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
.
Thank you for your inquiry and choosing the Bold Look of KOHLER.
Read Less
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2 answers

I have no hot water in the shower. Will replacing mixer cap fix my problem?

This question is from Mixer Cap for Pressure Balance 1/2 in. Valve
Asked by
Garden Grove
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April 6, 2016
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Answers (2)

Asked by
Montville, NJ
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Home Improvement Profile: DIYer
April 26, 2016
Answer: 
First, confirm that you have a Kohler fixture. I know this unit works for Kohler. Not sure if this device is a universal replacement of multiple brands. Second, as long as you have hot water confirmed to the shower, you should have hot water coming out of the shower. One way to confirm hot water to the fixture is to check your bathroom sink(s) and whether the hot water is coming out of the faucet there. Read More
First, confirm that you have a Kohler fixture. I know this unit works for Kohler. Not sure if this device is a universal replacement of multiple brands. Second, as long as you have hot water confirmed to the shower, you should have hot water coming out of the shower. One way to confirm hot water to the fixture is to check your bathroom sink(s) and whether the hot water is coming out of the faucet there. In 99.9% of the time the same hot and cold lines feed an entire bathroom and all of its fixtures within (I believe that is also code). Anyway, this mixer cap has in it a rubber diaphragm that is what ultimately controls the mixture of hot and cold water coming out of the shower faucet. It also helps to regulate water pressure in the event, say, a toilet is flushed on the same line, you won't get burned in the shower due to the sudden loss of cold water pressure. If you intermittently began or are all together experiencing no hot water coming out of the shower, a defective / failing mixer cap will be your culprit. Go ahead and also replace the all plastic pressure balance unit, as well. It is a separately sold, all plastic device with lots of rubber washers that helps to seat the mixing cap to the supply housing in the wall. Chances are, that the rubber washers are beginning to fail anyway and while you are in the wall now to replace the mixing cap, you might as well take care of the PB unit, as well. A failure of the PB unit will result at a minimum, of ieaking water within the wall cavity behind the fixture. Read Less
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April 8, 2016
Answer: 
Hello, my name is Carol with KOHLER Customer Service. I am happy to assist you with your Hot water question. For additional assistance on model number RGP77759 , please contact our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537) who can troubleshoot for you.
Thank you for your inquiry and choosing the Bold Look of KOHLER.
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2 answers

collar and screw

This question is from Mixer Cap for Pressure Balance 1/2 in. Valve
Asked by
nj
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August 30, 2015
Do collar and two screws include in the unit?
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Answers (2)

August 31, 2015
Answer: 
No, the collar and screw does not come with this unit.
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August 31, 2015
Answer: 
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your valve service part question.
I apologize you were unable to find the information you were looking for. I apologize, but there is not a collar or screws included with service part GP77759, it is the mixing cap and seals only.
Please work with your local Home Depot for pricing and availability on this product.
Thank you
Read More
Hello, my name is Leah with KOHLER Customer Service. I am happy to assist you with your valve service part question.
I apologize you were unable to find the information you were looking for. I apologize, but there is not a collar or screws included with service part GP77759, it is the mixing cap and seals only.
Please work with your local Home Depot for pricing and availability on this product.
Thank you for choosing the Bold Look of KOHLER.
Read Less
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2 answers

I replaced the Mixer cap for a leaking shower. The new cap is still leaking. Should I return it?

This question is from Mixer Cap for Pressure Balance 1/2 in. Valve
Asked by
Pickens SC
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November 30, 2014
I have a shower that has leaked in the past. I replaced the mixer valve about 3 years ago and it was fine until recently when it started leaking again. I replaced it with a new mixer cap today and it is still leaking.
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Asked by
Pickens SC
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Home Improvement Profile: DIYer
December 3, 2014
Answer: 
Thanks for the response Justine but it didn't answer the question. I replaced the "guts" The Kohler valve has 2 pieces. (I learned that the hard way) The valve was leaking 3 years ago and I replaced it with a valve From Home Depot. It started leaking again so I bought a new valve but after replacing it again, it was still leaking. After further investigation I found out that there was another replaceable Read More
Thanks for the response Justine but it didn't answer the question. I replaced the "guts" The Kohler valve has 2 pieces. (I learned that the hard way) The valve was leaking 3 years ago and I replaced it with a valve From Home Depot. It started leaking again so I bought a new valve but after replacing it again, it was still leaking. After further investigation I found out that there was another replaceable part (PBU) behind the valve. I figured out how to remove it with Pliers and replaced it also. The PBU had a visible crack. It is now working fine with no leak. I did contact Kohler and the rep said that a crack in the PBU was probably not the cause of the leak but he was sending out a new valve and PBU under warranty. Total cost of repairs was about $100 and 3-4 hours time including Googgling. Read Less
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December 1, 2014
Answer: 
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your mixer cap question.
We are sorry to hear about the issue you are having with your Kohler RGP77759. We design our products with customers like you in mind. We would love to speak further about your issue so we can help provide a resolution. Please call our Customer Care Center at 1-800-4KOHLER.
Read More
Hello, my name is Justine with KOHLER Customer Service. I am happy to assist you with your mixer cap question.
We are sorry to hear about the issue you are having with your Kohler RGP77759. We design our products with customers like you in mind. We would love to speak further about your issue so we can help provide a resolution. Please call our Customer Care Center at 1-800-4KOHLER. (1-800-456-4537).
Thank you for your inquiry and choosing the Bold Look of KOHLER. Read Less
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Customer Reviews

Rated 4.6 out of 5 by 10 reviewers.
Rated 5.0 out of 5.0 by Good Product The trick for DIY'ers will be figuring out how to get the knob off. Usually requires turning the part between the knob and backplate. The gaskets on the replacement were better than what the original came with. Expect it to last a long time. July 19, 2016
Rated 5.0 out of 5.0 by Kohler perfect fit, good quality................................................................... July 5, 2016
Rated 4.0 out of 5.0 by Kohler Pressure Balance Valve Easy to install and price is where I thought it should be. Quality...The original lasted 7 years, but we live in Indiana with terrible water even with a softener. Make sure to mark or take pictures of the unit before you replace it.....this valve can be installed backwards. April 26, 2016
Rated 5.0 out of 5.0 by Shower head leak This product was promptly delivered and installed in a quick manner. The instruction were easy to follow and easy for a DIY'er. January 20, 2016
Rated 5.0 out of 5.0 by Specialty Product...and they had it This is a specialty valve for an older Kohler shower valve. I couldn't believe Home Depot had it! It was a super easy install and work perfectly. January 5, 2016
Rated 5.0 out of 5.0 by Easy to isntall, good instructions good product the mixer require only a 90 degree turn to be warm, unlike my previous that required 180 degree for warm water. July 28, 2015
Rated 5.0 out of 5.0 by KOHLER PARTS ON THE SHELF WOW! Dripping shower valve turned into a stream of water that could not be turned off. At 8:30PM entered my local Home Depot, walked to the parts section and there they were. Genuine KOHLER parts.Grabbed the one that matched my valve. In and out of the store in 10 minutes. Turn off water to shower valve. TIP:on the incoming water line you will see a straight slotted piece. Get a screwdriver and turn each one clockwise. you have just turned off the water. Follow the included directions to finish job. January 28, 2015
Rated 4.0 out of 5.0 by Kohler Archer component This is the replacement part to the Kohler Archer mixer/pressure valve. The original one cracked, if you can believe that... Kohler should have designed it this way in the first place instead of creating the mayhem with the original. I spent $150+ more in labor and parts to get this thing right. My family told me to just get a different one, but not after all the parts were put on and it would require another ripping out of tile and wall board. It would be cheaper to fix this. It was great after I bought the redesigned valve...but what a hassle. August 19, 2014
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