Ratings may include incentivized customer reviews.
What Customers Are Saying
The Fluidmaster Duo Flush System-Dual Flush Converter offers adjustable flush levels to help reduce water usage. However, many customers reported issues with the product's quality and durability, including the handle breaking, the mechanism failing to properly seal and causing leaks, and the half-flush feature not working well. Several reviewers also complained about the cheap, plastic construction and parts that broke down quickly.
Customer review summary generated by AI, including incentivized reviews.Broke After 2 Years
While the previous version of this system (no the model pictured above) worked well with the half-flush and full-flush, it would trickle on occasion. Jiggling the tank settings would get it to stop. Finally after two years of use the cable snapped from the inside. In other reviews, it seems Flushmaster improved this defect. This problem exposed another oversight: there's no way to manually drain the tank. If only they designed a lever to allow you to empty the tank of water in the event you ha...
Sweepstakes
Works great for a few years then leaks like any valve
Would Not RecommendI bought three of these and installed them to save some water and they worked great. However, after two years, the valve seals get uneven and it leaks like any old toilet valve. However, you can't buy just the valve so instead of costing $3 to repair it costs $30.
From fluidmaster.com
Contact Fluidmaster's Technical Service Department for help with your product we are available Monday through Friday from 5:30 AM through 5:00 PM Paci...
2 ways to flush!
Would RecommendThis is a really cool unit! you lift up for one type of flush that requires less water and you push the lever down for more of a powerful flush. It works really well
Verified PurchaserSweepstakes
Small Flush or Large Flush - Both work Great
Would RecommendWhat more can you ask for in a product. This lets you adjust as needed and it has a 5 year warranty. So if it breaks get a new one from there customer service. I have used mine for several years and I know the water usage is less from it. One broke and they sent me out a new one no issue.
From fluidmaster.com
Pretty easy install good product
Would RecommendRead the instructions carefully first, a bit unclear until you read the whole thing. Only issue is when you lift the handle for a partial flush it scrapes against the tank lid, wish the handle stuck out just a tad further. May not be a problem for your tank. A bit louder than the old unit it replaced.
Verified PurchaserSweepstakes
Review of Fluidmaster Toilet Repair Kit
Would Not RecommendNot a big fan of this kit but once this style of flush mechanism is installed its hard to revert to another type because the seat at the bottom of the tank is slanted, not flat. That means to put something else in, the tank has to be fully drained and a new seal will have to be installed. My main objection to this device is I can never get the settings right to achieve a full flush or a 1/2 flush.
Verified PurchaserSweepstakes
Thank you for posting this review concerning our product Universal Toilet Repair Kit. The System can be used on both slanted and straight (flat) drai...

So Far, So Good
Would RecommendOk, just installed and that was simple even for me. Adjusted the settings, did have to put more water in tank then the prescribed marked level. I did NOTICE it wouldn’t work with 3” flush valves and some other incompatible toilet fetures, so BEWARE!! Now works like a charm. Some reviews mentioned failed equipment after time and no water savings. Gave 5 stars, we will see...
Excellent product which performed as described- good instructions - saves well water- now thinking of doing same in second bathroom.
Verified PurchaserSweepstakes
Hit & miss
Would RecommendEasy to install, the half flush feature works, but no matter how I tried to adjust it, I could never get the full flush to work properly. It seems to give a half flush as well
Verified PurchaserSweepstakes
works well once fixed
Would RecommendI had to glue the back connector to the handle because it kept slipping off when you flushed the toilet. Works well once that was done.
Verified PurchaserSweepstakes
Dual flush
I had a minor leak in my last system so I decided to replace everything with this new kit and get the dual flush option. So far its nothing to write home about. the up flush for liquids works fine 100% of the time but the down flush for solids only works about 95% of the time especialy for loose stools. I am still modifying the flush to get it better so I hope it gets to what I'm expecting. Oh and remembering to flush up is my other issue.. force of habbit though.
Verified PurchaserSweepstakes
It didn’t work
Would Not RecommendMaybe it’s my toilet, but this product wouldn’t flush
Sweepstakes
Fluidmaster would like the opportunity to learn more about your installation and provide help. Contact Fluidmaster’s Technical Service Department as ...

Dual flush valve.
Would Not RecommendWhen I was looking at this product, it looked like it would be a good item to install in my toilet. I bought it, took it home and installed it. It didn't work. I messed with it, adjusted what I could, then went back to Lowe's to read the box as I had already tossed mine. Lo and behold, on one of the side panels, at the very bottom, in little tiny micro letters was the sentence "Not compatible with 3 inch flush valves." Of course, that is what I have. As I have already installed it, threw away th...
Sweepstakes
Fluidmaster would like the opportunity to learn more about your toilet and provide help. Contact Fluidmaster’s Technical Service Department as we are...

Ghost flushing
Would Not RecommendI have Duo Flush valves in two bathrooms. For the most part I have liked them. They have had some trouble though. The first one that I installed had the flush cable disconnect. I had to replace the whole thing. The replacement has a different cable. I hoped that I would have no more trouble. Two years later the same unit has a different problem. Ghost flushing. After doing all of the recommended procedures to remedy ghost flushing, the problem persisted. With further inspection, I discovered tha...
Contact Fluidmaster’s Technical Service Department for help with your product we are available Monday through Friday from 5:30 AM through 5:00 PM Pac...

not worth it
Would Not Recommendbought this a couple months ago and it hasn't saved me on the water bill like it states on the package. the plunger/lever gets stuck wide open and takes a while and a lot of juggling to close.
Contact Fluidmaster’s Technical Service Department for help with your product we are available Monday through Friday from 5:30 AM through 5:00 PM Pac...

Failed after 6 months
Would Not RecommendFlush lever was squeaky and too much resistance to activate. After 6 months, the internal cable going from the lever to the valve broke/failed. Ended up changing valves to another brand. Now the fill valve purchased with this kit has also failed and the tank won't fill rapidly enough (like a trickle of water coming in). NOT HAPPY with fluidmaster products at this point! Original flush valves on toilets last 30+ YEARS without issue.
From fluidmaster.com
Contact Fluidmaster's Technical Service Department for help with your product we are available Monday through Friday from 5:30 AM through 5:00 PM Paci...
Professional Support from this Fluidmaster
Would RecommendI bought this product, actually 3 for all my bathrooms. Easy to install and worked great for the first few months. I then had 2 of the bathrooms begin filling with water on their own without flushing but it is very minor. I read online the correction methods and made sure I have followed all the guidance with no improvements so far. This morning my flush cable that attaches to the flush handle pulled through the plastic actuator inside the attaching flushing mechanism. I attempted to find parts ...
From fluidmaster.com
Do NOT BUY these, the flapper fails
Would Not RecommendI installed the Duoflush in September of 2016...within a few months the flapper started to stick open. You did not ever dare to leave the toilet because it could run all day. When it did this I would wiggle the handle and you could hear the flapper drop. Then a week ago I had to remove the tank top and physically reach in and drop the flapper by hand, the flush handle would not drop it. So, I thought it was a problem with the water and replaced the Duoflush with a brand new unit two days ago.......
From fluidmaster.com
Contact Fluidmaster's Technical Service Department for help with your product we are available Monday through Friday from 5:30 AM through 5:00 PM Paci...
Couple of issues over two years resolved by customer service
Would RecommendWorks as advertised, takes a little tweaking to balance the hi/lo flush amounts and the subsequent bowl refill to be efficient. Original started ghost flushing after a year, was sent an updated design unit. This unit started ghost flushing a while ago and appears to be caused by the same problem - a clear/white silicone gasket ring on the bottom of the flush control develops dimples causing it to not seal properly .... CS sent out a replacement and a spare, fixed.
From fluidmaster.com

Thank you for posting this review concerning our product Universal Toilet Repair Kit @ Lowe's. If you need help with your installation or have any co...