--- product_id: 48843993 title: "PRO550UK Top/Side/Front Mounted Dual Flush Valve - White" brand: "fluidmaster" price: "150 zł" currency: PLN in_stock: true reviews_count: 13 url: https://www.desertcart.pl/products/48843993-pro550uk-top-side-front-mounted-dual-flush-valve-white store_origin: PL region: Poland --- # Adjustable dual flush volumes Top/Side/Front button mount Fits 1.5" & 2" outlets PRO550UK Top/Side/Front Mounted Dual Flush Valve - White **Brand:** fluidmaster **Price:** 150 zł **Availability:** ✅ In Stock ## Summary > 🚽 Upgrade your flush game with Fluidmaster PRO550UK — where efficiency meets effortless style! ## Quick Answers - **What is this?** PRO550UK Top/Side/Front Mounted Dual Flush Valve - White by fluidmaster - **How much does it cost?** 150 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/48843993-pro550uk-top-side-front-mounted-dual-flush-valve-white) ## Best For - fluidmaster enthusiasts ## Why This Product - Trusted fluidmaster brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Smart Water Control:** Customizable flush volumes let you save water without sacrificing performance—flush smarter, not harder. - • **Triple Mount Versatility:** Flush button installs on top, front, or side—perfect for any bathroom layout or style. - • **DIY-Friendly Installation:** Designed for quick, no-fuss fitting—get your toilet running perfectly in under 30 minutes. - • **Universal Fit, Zero Hassle:** Seamlessly compatible with both 1 1/2″ and 2″ flush outlets for ultimate retrofit flexibility. - • **Precision Overflow Adjustment:** Adjust overflow height from 8 1/2″ to 13 1/2″ to prevent leaks and optimize cistern performance. ## Overview The Fluidmaster PRO550UK is a durable, brass dual flush valve designed for easy installation and universal compatibility with 1 1/2″ and 2″ flush outlets. Featuring adjustable flush volumes and a versatile flush button mount (top, side, or front), it offers precise overflow height control to prevent leaks and maximize water savings. Trusted by DIY enthusiasts for its reliable performance and quick fit, this valve transforms your toilet into a water-efficient powerhouse. ## Description Fluidmaster PRO550UK Top/Side/Front Mounted Dual Flush Valve - White : desertcart.co.uk: DIY & Tools Review: Easy to fit and a great price - Absolutely brilliant. Toilet started running constantly after every flush. Bought this as it was a direct replacement for the one I’d had installed for the last 5 years or so. Turn off water, flush the toilet. Unscrew the flush from inside the toilet and fit in reverse the new flush. Tighten screw for inlet pipe and job done. Now flushes perfectly and no more running after a flush. Probably took about 30 mins but that’s because I had to fiddle about undoing a stuck inlet nut and washer. Review: Excellent flush valve replacement so far - Like all the Fluidmaster fittings I've used so far, seems no-nonsense and well designed and made. Relatively easy to fit for a DIY hack like me, not much adjustment to be done, doesn't seem to be temperamental after a month's use. Far better than the Opella Torbeck flush valve it replaced - flushes faster and more reliably. Only time will tell whether the button holds up better than the Opella (I was replacing the Opella's flush button about once every 9 months) but I prefer the button's design and it seems a little less plasticky. If I had a complaint, it would be that the supplied fitting instructions are pretty sparse, but even I managed to figure it out. There are instructional videos on YouTube if you want someone to walk you through it. If you've got a close-coupled toilet and are replacing an existing flush valve, you'll probably want to remember to get a replacement close-coupled toilet fitting kit as well; if it's more than a few years old, the old rubber O-ring seal is likely to not seal any more once you've taken the old valve out - mine was quite badly perished and fell apart in my hands as I took the old valve out. Also make sure you scrape/sandpaper off any sealant or plumber's putty off the cistern that may have been used to 'enhance' the seal between the old valve's washer and the cistern, or the new washer won't seal properly and you'll get a constant slight leak. I missed a bit first time round - rookie error - and had to take everything apart again a day later and do the job all over again. ## Features - Fits both 1 1/2″ and 2″ flush outlets - Cable length 350mm - Water saving adjustable flush volumes on full and reduced flushes - Dual flush button fits Top, Front or side applications - Overflow height is adjustable from 8 1/2″ to 13 1/2″ ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0060X5Q0A | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 21,954 in DIY & Tools ( See Top 100 in DIY & Tools ) 14 in Tap Valves | | Certification | CE | | Colour | White | | Customer Reviews | 4.6 4.6 out of 5 stars (1,413) | | Date First Available | 29 Oct. 2011 | | Item Package Quantity | 1 | | Item Weight | 299 g | | Item model number | 550073 | | Manufacturer | fluidmaster | | Material | Brass | | Number of Pieces | 1 | | Part Number | 550073 | | Product Dimensions | 29 x 15 x 10 cm; 299.37 g | | Shape | Rectangular | | Size | 5.9 inches x 11.4 inches x 3.9 inches | | Style | Manual | ## Product Details - **Brand:** Fluidmaster - **Exterior finish:** White - **Inlet connection size:** 1.5 Inches - **Inlet connection type:** Compression - **Item dimensions L x W x H:** 29 x 15 x 10 centimetres - **Material:** Brass - **Number of ports:** 1 - **Outlet connection size:** 2 Inches - **Outlet connection type:** Compression - **Specification met:** CE ## Images ![PRO550UK Top/Side/Front Mounted Dual Flush Valve - White - Image 1](https://m.media-amazon.com/images/I/51AqO4pxWRL.jpg) ## Questions & Answers **Q: how did i adjust the overflow pipe ? mine is overflowing and i carnt fit a flush master valve [no room}** A: The overflow is part of the installed system. You don't need your normal overflow pipe - you can throw it away. The overflow works through the plumbing you have just fitted. Try unscrewing the over flow tube supplied - I found that it was too high and had the problem you describe - then adjust the float ball (if necessary) to make sure the level of the water does not reach the height of the opening in the in-built system. **Q: Anybody know how this unit compares to the Torbeck Variflush?** A: Both units are from very good manufactures we sell more of the Torbeck Variflush but that doesn't mean its a better product.Kind regards,Jo. **Q: how to change batteries** A: There are no batteries it works by siphon alone. **Q: Is this a complete system? I can't see a ballcock in the image.** A: No it's not a complete system. IT is only the flush mechanism. You don't need to change the float if it's OK. I fyou have a close-coupled toilet, this requires you to remove the cistern and I recommend you take the opportunity to replace the close coupling kit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to fit and a great price *by B***L on 3 October 2025* Absolutely brilliant. Toilet started running constantly after every flush. Bought this as it was a direct replacement for the one I’d had installed for the last 5 years or so. Turn off water, flush the toilet. Unscrew the flush from inside the toilet and fit in reverse the new flush. Tighten screw for inlet pipe and job done. Now flushes perfectly and no more running after a flush. Probably took about 30 mins but that’s because I had to fiddle about undoing a stuck inlet nut and washer. ### ⭐⭐⭐⭐⭐ Excellent flush valve replacement so far *by M***S on 7 September 2018* Like all the Fluidmaster fittings I've used so far, seems no-nonsense and well designed and made. Relatively easy to fit for a DIY hack like me, not much adjustment to be done, doesn't seem to be temperamental after a month's use. Far better than the Opella Torbeck flush valve it replaced - flushes faster and more reliably. Only time will tell whether the button holds up better than the Opella (I was replacing the Opella's flush button about once every 9 months) but I prefer the button's design and it seems a little less plasticky. If I had a complaint, it would be that the supplied fitting instructions are pretty sparse, but even I managed to figure it out. There are instructional videos on YouTube if you want someone to walk you through it. If you've got a close-coupled toilet and are replacing an existing flush valve, you'll probably want to remember to get a replacement close-coupled toilet fitting kit as well; if it's more than a few years old, the old rubber O-ring seal is likely to not seal any more once you've taken the old valve out - mine was quite badly perished and fell apart in my hands as I took the old valve out. Also make sure you scrape/sandpaper off any sealant or plumber's putty off the cistern that may have been used to 'enhance' the seal between the old valve's washer and the cistern, or the new washer won't seal properly and you'll get a constant slight leak. I missed a bit first time round - rookie error - and had to take everything apart again a day later and do the job all over again. ### ⭐⭐⭐⭐ Having never done a job like this before I thought a review of the product ... *by C***L on 5 November 2016* Amazon yet again have delivered, I received these on the same day as I ordered, delivery was by prime and as always very efficient. To the product: - Reason for purchase – When attempting to fix our toilet system after the flush had broken, the float also broke. So basically a new system was needed. Having never done a job like this before I thought a review of the product and how hard it was to do it was in order. The products comes in a retail box. It comes in a hassle free packaging so there's no need for scissors. It contains: - 1 x Dual flush system 1 x Dual button 1 x Large Spacer for button 1 x Rubber Gasket The product feels great, it a mini version of what I've seen before which is ideal as it needed to fit in the downstairs toilet where its a mini toilet. It fits in perfectly. Installation was much easier than I expected. Step 1 - Turn off the water to the toilet Step 2 - Empty the toilet system Step 3 - Undo the screws holding the toilet system to the toilet so you can get to the bottom of the system Step 4 - Unscrew the nut at the base of the toilet system that holds the flush to the toilet. Step 5 - Remove the old flush Step 6 - Repeat the above steps in the reverse order to assemble. Step 12 - Add the button to the toilet lid, using the space if required Step 13 - Click the cable into the button The device gives you the choice of how much is a short flush and how much is a large flush. I went for a 25% for short flush as thats enough for a number 1 It was maybe the simplest bit of DIY that looked daughting but it was easy. Even if you went wrong, you just turn off the water. All in all, a great product. *If you have any questions, then click my profile and drop me a message and I will be happy to help you. To understand my star rating please see my profile. * ## Frequently Bought Together - Fluidmaster PRO550UK Top/Side/Front Mounted Dual Flush Valve - White - Fluidmaster, Black PRO45B Fill Valve with Brass Shank, Pack of 1 - Close Coupling Kit for WC Toilet Pan Cistern Doughnut Fixings Plate Donut --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/48843993-pro550uk-top-side-front-mounted-dual-flush-valve-white](https://www.desertcart.pl/products/48843993-pro550uk-top-side-front-mounted-dual-flush-valve-white) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*