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HydroStop

The HydroStop is engineered to eliminate the most common toilet problems. The HydroStop drops vertically and solidly onto the flush valve opening to create a better seal and eliminate the possibility of leaks.

Specifications:

  • Fits standard 2″ to 2-1/2″ flush valves
  • Lighttouch Handle allows for an easier flush
  • Permafit silicone seal is chemical resistant and will not warp
  • Drop-in installation with no tools or tank removal needed
  • Stainless steel cable is stronger than a normal flapper chain


Flapper Alternative

The HydroStop­ replaces a traditional flapper. The vertical design creates a better seal on flush valve openings


S.T.O.P. Technology

Features patented S.T.O.P. Technology (Safe Toilet Overflow Protection) that helps prevent bowl overflows


Better Than A Standard Flapper

The HydroStop comes with Overflow Protection (1), Adjustable Water Settings (2), and a Premium Silicone Seal (3).

Installation


Step 1: Remove Old Flapper

1.Turn off water.

2.Flush toilet.

3.Disconnect and remove flapper and handle.


Step 2: Drop in HydroStop

Drop the HydroStop into the tank and adjust blue slider and control how much water is used each flush


Step 3: Tighten Handle

Once HydroStop secured, put the toilet lever back on and tighten.

Description

Product Description

Danco is one of the largest plumbing repair, replacement, and remodel suppliers in the home improvement industry focused largely on empowering ''Do-It-Yourself'' consumers with plumbing solutions that are as practical as they are affordable, giving your home a more fresh appeal and renewed elegance. We provide stylish design-oriented innovative home solutions that are user-friendly to support and encourage customers to tackle home improvement tasks on their own - without the heavy price tag of professional services. The HydroStop replaces flimsy rubber flappers with a sturdy tower and is engineered to eliminate the most common toilet problems. Unlike the angled, floating close of a flapper, the HydroStop drops vertically and solidly onto the flush valve opening to create a better seal and eliminate leaks. The EPA estimates that 20% of all toilets leak up to 200 gallons of water a day, mostly because of faulty flappers. While ordinary flappers are connected to the handle with a thin chain that is subject to improper tension tangles and breakage, the HydroStop features a durable stainless steel cable that is stronger, lasts longer and is less likely to break. The HydroStop also features patented S.T.O.P. Technology (Safe Toilet Overflow Protection) that helps prevent bowl overflows. In the event of a clog, lifting up on the handle immediately drops the HydroStop tower and closes the flush valve so that water does not continue to drain from the tank into the bowl. Upgrade yours today!

From the Manufacturer

Next by Danco exemplifies a line of state-of-the-art plumbing repair parts that empowers the DIYer and Professional to do more than just solve the problem. Don’t just repair it. Improve it.

Product information Black

    Additional Information

  • ASIN: B00BQK1EDK
  • Customer Reviews: 4.3 out of 5 stars 840Reviews
  • Best Sellers Rank:
    #19,119 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
    #30 in Toilet Flappers
    #2,207 in Kitchen & Bath Fixtures
  • Date First Available: March 7, 2013
Product Warranty: For warranty information about this product, please click here
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Product guides and documents

Product Documentation (PDF)
Installation Manual (PDF)
User Manual (PDF)
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Customer Questions

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Q: will this fit an one piece toilet with a 3" drain?

A: it should. I have one in each of my 5 toilets and they work wonderfully

willie r boughner | 5 years ago

Q: hydrostop has an adjustable slide on the back numbered 1 to 7. Can find no info on adjustm…

A: I don''t see any information on it either. I didn''t notice it before. I just checked the …

tevye brown | 7 years ago

Q: In the pictures, the flush handle is on the front of the tank. Mine is on the left side of…

A: Thank you for your inquiry. It will depend on the distance from the flush valve location i…

Manufacturer Danco | 4 years ago

Q: i love the idea, but a lot of negative reviews regarding the seal quality and product dura…

A: I have no seal issues. Works great for me. My criticism is that the handle is made for lef…

billyboy | 7 years ago

Customer reviews

4.3 out of 54.3 out of 5
840 global ratings

Reviews with images

Top reviews from the United States

Swiss David
5.0 out of 5 starsVerified Purchase
I''m no handyman and this was easy.
Reviewed in the United States on October 8, 2016
Color: Black
Replaced previous trigger which toddler tugged on and sheared it right off. Easy there, He-man! The rubber flapper-dapper thing was on its last leg anyway, so decided to take the jump and buy this kit from a local big box home improvement store (sorry Prime, your price... See more
Replaced previous trigger which toddler tugged on and sheared it right off. Easy there, He-man! The rubber flapper-dapper thing was on its last leg anyway, so decided to take the jump and buy this kit from a local big box home improvement store (sorry Prime, your price was better but the wife needed it fixed pronto, as in right this minute!) and it took max 15 min to install and that was with juggling two curious kiddos in my arms. Instructions clear but succinct. DON''T CUT THE ZIP TIES!!!! Those are important. Anyway, couldn''t be more pleased. Trigger blends in well with the rest of the bathroom fixtures. Not too shiny, no too bland.

Install was super easy and didn''t require tank removal. Switched out the triggers, swapped the rubber flapper-dapper with the unit, shimmed it up in the back with the shim provided, placed the rubber ring on top of the drain spout, and then attached the trigger to the unit with a simple, push-button feature. No wrench or bending-of-metal required. And... you''re done. Cool!!

Best part is that if one of my family members tries to flush some disaster and it clogs, all you have to do is pull the trigger up past resting position and the tank IMMEDIATELY stops filling the bowl. The tank will still fill back up but the bowl will remain as-is. Can you say, "Life-saver"?

I''m no handyman and this was easy. As opposed to the last trigger mechanism I replaced in the other toilet which took an hour of wrangling, tightening, and then bending of the soft-metal hand to ensure that it would operate in my old, uniquely shaped toilet tank. And it still "clinks" on the inside of the lid every now and then.

Now I''ve read some reviews that say it doesn''t last long. We''ll see, I''ll update if/when it finally gives up the ghost. Honestly, a cheap-o trigger at the store costs <$5 and from what I''ve heard those rubber flappers have a short year or two lifespan. So for 10 bucks you''ve got a decent trigger, a flapperlesss system, and the added bonus of avoiding that "oh-no-the-toilet-clogged-quick-remove-the-tank-lid-and-try-to-stop-this-disaster" event that the fates like to throw our way. That''s gold right there.

***Update 04/2017***
Still running strong, even survived a visiting kiddo''s "this trigger looks like it is for morse code!" activities. Oh, and lil'' Johnny finally did the inevitable and flushed a duplo block down the "abyss-of-no-return" and his quick flip-the-trigger-back-up motion saved me from having to get out the haz-mat gear and a mop. Seriously, I might just write down the day that I bought this and make it my own personal holiday.
80 people found this helpful
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Angela Van Poppel
1.0 out of 5 starsVerified Purchase
Leaks
Reviewed in the United States on January 11, 2018
Color: Black
Leaks. It''s innovative... but leaks. I verified that the leak was not the silicone cone gasket that sets against the toilet tank, but it was Danco internal release valve. Immediate slight leak, enough to trigger the fill valve to open, shut, then open again, continuously... See more
Leaks. It''s innovative... but leaks. I verified that the leak was not the silicone cone gasket that sets against the toilet tank, but it was Danco internal release valve. Immediate slight leak, enough to trigger the fill valve to open, shut, then open again, continuously cycles.
38 people found this helpful
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jamie
1.0 out of 5 starsVerified Purchase
Dont buy
Reviewed in the United States on July 24, 2018
Color: Black
Dont buy this product spend the extra money and buy the dual push button flush kit....1st the handles on these are CRAP when i installed it it wouldnt push down far enough to flush turned it tryed it all different positions i ended up taking the razor knife and have to... See more
Dont buy this product spend the extra money and buy the dual push button flush kit....1st the handles on these are CRAP when i installed it it wouldnt push down far enough to flush turned it tryed it all different positions i ended up taking the razor knife and have to trim some of the cheap plastic off back of the handle..2nd very hard to get it to stop leaking around rubber seal and yes i read the instructions first done step by step had to pull it out 4 or 5 different times and allso looked inside it to make sure the rubber gasket wasnt pinched or anything and the shim was installed ened up having to use a wooden ruler and hammer set the ruler on top of the shim piece and kept tapping it lightly with hammer then turn water back on till i got it to seal what a pain...3rd i dont think the stop flush feature on them work it would work holding the handle in my hand but when i put it on toilet it dont seem to stop the water from coming in the bowl...4th the blue water control slide on the side the unit dosent make a diffrence where you set it did notice if its at bottom toilet wont flush at all have to hold the handle down whole time once you get above 2nd or 3rd notch it dont make any difference.....so if you wanting something to conserve water and easier to install and the handle aint crap i would check out the push button dual flush system its only about $12 bucks more wish i would have bought that unit instead of this $10 piece junk that i had to modify to even get it to fit and work......udate 7-26-18..the one in downstairs bathroom wont stay together the piece that snaps onto the handle inside the tank wont stat snapped on flush it 2 or 3 times and it pops off i even took the lid off tank and watched it i would push it back on till it clicked on and by the 3rd flush sometimes 4th it would pop back off and with 5 people in the house this is a problem...dad the toilet wont flush again...called amazon and told them about the problems and they were kind enough to give me a FULL REFUND so thanks amazon
17 people found this helpful
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C J
4.0 out of 5 starsVerified Purchase
Nice While They Last
Reviewed in the United States on July 18, 2016
Color: Black
I''ve used these for a few years now, and I continue to be pleased with their comparative simplicity. However, I have not found them to be a perfect solution as they score ''low'' on durability. My experience has it that they must be replaced every 6-months or so.
47 people found this helpful
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Chris Luttrell
1.0 out of 5 starsVerified Purchase
can''t simply buy a replacement handle for this
Reviewed in the United States on July 23, 2019
Color: Black
ive bought 3 of these, almost always because the plastic flush handle breaks and I can''t buy just the handle. Otherwise, its a great product. But its only as good as its weakest link. What a phenomenal waste of plastic and the waste of money having to buy a completely new... See more
ive bought 3 of these, almost always because the plastic flush handle breaks and I can''t buy just the handle. Otherwise, its a great product. But its only as good as its weakest link. What a phenomenal waste of plastic and the waste of money having to buy a completely new unit just to replace a handle that might cost a couple bucks. Handle has always broken in the same place: at the stress receiving end where it fits into the toilet. The stem breaks off and it renders the whole thing useless since you can''t purchase just a replacement handle. I have looked everywhere.
15 people found this helpful
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J. McGaw
5.0 out of 5 starsVerified Purchase
Brillianly simple
Reviewed in the United States on December 14, 2017
Color: Black
I was prepared to go through all sorts of plumbing horrors installing this replacement flush valve. At the very least I imagined having to remove the flush tank with all the attendant mess. It turns out that the hardest part of this repair was removing the old leaky... See more
I was prepared to go through all sorts of plumbing horrors installing this replacement flush valve. At the very least I imagined having to remove the flush tank with all the attendant mess. It turns out that the hardest part of this repair was removing the old leaky flapper. The designers clearly did a lot of thinking about the installation and did their best to make it painless. The only slight kink in my install was that the ''overflow'' tube in my toilet was a bit undersized but the Danco kit came with a tapered shim that slipped down to center things properly. After removing the old flapper and handle the actual install of this kit took all of five minutes. The closure action is very positive and I verified with dye in the tank that it closes totally every time.

[Second time, different toilet]
I ordered and installed a second unit in another bathroom. Same positive results. The only additional advice I can offer to others installing it is to wipe down the flapper valve seat after removing the old flapper and make sure that when you slip the new unit in place push it down HARD and make sure that the black rubber band is all the way down before tightening. I still think the concept is "Brilliantly Simple".
17 people found this helpful
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santamaria capetanelis
1.0 out of 5 starsVerified Purchase
Edit, A month after installing it leaks. It still is a clever device but it leaks.
Reviewed in the United States on March 12, 2019
Color: Black
Plumbing problems frustrate me no end. I can''t count the number of toilet flappers and chains I''ve had to fix in my lifetime. I''ve always gone with the old fashioned ones and they never let me down. Until I moved into a new house last year. The new house came with an... See more
Plumbing problems frustrate me no end. I can''t count the number of toilet flappers and chains I''ve had to fix in my lifetime. I''ve always gone with the old fashioned ones and they never let me down. Until I moved into a new house last year. The new house came with an older but still low flow toilet that leaked like it was getting paid to. So I did what I do every time, I replaced the whole flapper assembly and puttied every where. Just so I didn''t have to deal with it later I replaced the float valve and handle at the same time. The flapper and handle just didn''t fit right and the toilet wouldn''t flush all the way. It was already a low flow toilet and flushing less than a full tank just wasn''t getting the job done. I tried other handle geometries and a third flapper. Then I tried this hydrostop thing. This looked complex. Like needlessly complicated design but it works great. Yeah, it''s more expensive than a tube and rubber float but not by much and so worth it. Now when I flush all the water in the tank drains and all the poo goes away. I''ve even tested for leaks and so far it''s only letting water through when I want it to. It''s pretty easy to install if you are somewhat handy. If you can replace a regular flapper you can do this.
6 people found this helpful
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A. Doss
5.0 out of 5 starsVerified Purchase
Worked on my aging tanks
Reviewed in the United States on March 11, 2019
Color: Black
So, I had replaced flaps and gotten oversized flaps, only to still have to wiggle the chain from time to time to keep the toilet from running all hours of the night. I''d adjust the chain, shorter, longer, tried the flaps with the floaty to see if that centered it, tried... See more
So, I had replaced flaps and gotten oversized flaps, only to still have to wiggle the chain from time to time to keep the toilet from running all hours of the night. I''d adjust the chain, shorter, longer, tried the flaps with the floaty to see if that centered it, tried oversized flaps...still leaks. I used to put those chlorinated tablets in the tank a lot, which I think prematurely aged the flaps and the surrounding pipe. So, I tried this design, which has an interesting "wired" connection, enabling you to flush and push up to stop flushing if you want. It''s a bit oversized and overkill, but it works a treat. I have had these in since January, so far, no issues, no leaks. Now, I wish the handle material was more premium feeling, but the metal handles I did have seemed to have rusted, so maybe this chrome plastic will do better long term.
3 people found this helpful
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