Model # R528CM

Internet #202666007

Store SKU #160959

Korky Toilet Fill Valve Replacement Cap
0749306528039

Korky

Toilet Fill Valve Replacement Cap

  • Easily repair Korky fill valves without buying a new fill valve
  • Cap made with the longest lasting material on the market
  • Easy to install
$3.98 /each

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Product Overview

The Korky Toilet Fill Valve Replacement Cap fits Korky QuietFILL, MaxPERFORMANCE and TOTO Fill Valves (fill valve not included). The replacement cap features plastic construction with a premium, long lasting rubber diaphragm.

  • Replacement cap for Korky QuietFILL, MaxPERFORMANCE and TOTO fill valves
  • Also fits old Hunter 528 fill valves
  • Easy to install and adjust
  • 5 year warranty
  • Made in USA

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Customer Questions & Answers

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Customer Questions & Answers

Toilet Fill Valve Replacement Cap
Toilet Fill Valve Replacement Cap

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when flush value is filling tank it whisles

This question is from Toilet Fill Valve Replacement Cap
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melbourne fl
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May 26, 2015
Removed cap checked screen in tube no trash found,
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Answer (1)

May 26, 2015
Answer: 
Thank you for your question about the R528CM Korky® Toilet Fill Valve Replacement Cap and for choosing Korky. We recommend double checking your water supply line to ensure that it is completely open. In the event that your water supply line is restricted, it may cause the fill valve to be louder than normal. If this does not fix the noise, please call our customer service line by dialing 1-800-528-3553, Read More
Thank you for your question about the R528CM Korky® Toilet Fill Valve Replacement Cap and for choosing Korky. We recommend double checking your water supply line to ensure that it is completely open. In the event that your water supply line is restricted, it may cause the fill valve to be louder than normal. If this does not fix the noise, please call our customer service line by dialing 1-800-528-3553, and we will walk you through a few checks to resolve the issue. Read Less
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Customer Reviews

Toilet Fill Valve Replacement Cap is rated 4.5 out of 5 by 18.
Rated 5 out of 5 by from This valve is easy to replace and very economical verses replacing the entire unit. I just had t... This valve is easy to replace and very economical verses replacing the entire unit. I just had to use pliers to assist with turning it counterclockwise the required 1/8 turn in order to remove it since it has been in place for six years. Korky products are the best as far as I'm concerned!
Date published: 2016-11-02
Rated 5 out of 5 by from Cost-Effective fix We have really hard water which eventually destroys every toilet valve. The good news is that I didn't have to replace the entire tower assembly, just this cap. The valve was hissing faintly and dribbling water into the bowl. Problem solved.
Date published: 2016-10-02
Rated 5 out of 5 by from Worked as expected. Worked as expected.
Date published: 2016-11-16
Rated 3 out of 5 by from Not great. Don't know how cheaply the plastic is on the newer models, but when I replaced this recently I had a backup reserved for just this situation. Plasitic tabs on leaking (red rubber had pinpiont leak) cap snapped off while carefully removing it and the replacement cap ear tab for float attachment snapped off when putting on (gently). To add insult to injury, it leaked even worse than the broken cap. This was stored in my garage, protected from light and heat. Seems like it is too fragile to perform this most vital function for our society. When will companies devise something that will last a lifetime, and make it out of something that won't end up in a landfill?
Date published: 2014-04-09
Rated 1 out of 5 by from 5 flush FAIL After replacement it worked great, but shortly after only 5 flushes it failed, no water coming out of the tube. I'm never buying a Korky product ever again, they are cheap and too unreliable.
Date published: 2016-06-11
Rated 5 out of 5 by from Don't replace the whole fill assembly I called Korky and tech support told me that usually only the seal in the cap goes bad. I replaced the cap and the toilet worked perfectly!
Date published: 2016-02-11
Rated 4 out of 5 by from Works great but not enough by itself I changed both of my toilets to use the Korky units several years ago. They are much quieter than the Fluidmaster ones I had used before. When I noticed that one was no longer shutting off completely, I found this replacement cap option. It seemed great not to have to mess with changing the entire fill valve. While doing the replacement, I experienced all of the previous comments. It is not very obvious how to remove the white cover and it is not clear in the instructions. Lift up on the finger sticking out the side (lift on one side only) and it pops right off. Push it straight back down when you are done to reinstall. Once the cover is off, the cap is easy to replace (use the refill port for leverage). The rubber on the old cap had a definite hole, so I figured the new one would solve the problem. I put everything back together, turned on the water, and found the valve continued to run the same or worse than before. I shut the water back off and figured I would have to go back to get an entire new unit. Then I thought to look at the bottom side of the float arm and noticed it had some worn rubber. This turned out to be a small rubber insert that seals the air hole on the top of the cap. I plucked it out, flipped it over, inserted it back on the arm, and put everything back together. This time it all worked and the valve shut off like it is supposed to. The cap is a good solution for something that tends to wear out. The kit needs to include a replacement insert for the float arm, as well as some improvements to the instructions.
Date published: 2014-04-18
Rated 5 out of 5 by from Perfect fit Purchased to replace one in a Toto that had developed a pin hole and was acting & sounding strange while filling after each flush. Fit perfect & solved the problem immediately. Great solution since only a few dollars and you only have to replace this part and not the entire guts.
Date published: 2016-04-12
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