Complete UK Flush Valve Manufacturers Library 2025
Comprehensive catalogue of 67 manufacturers producing 225+ flush valve and siphon products. Full compatibility database, cross-reference tables, and professional recommendations.
Why This Library Exists
With 67 manufacturers producing 225+ unique flush valve and siphon products, no single plumber or retailer can stock every model. This comprehensive library helps you identify which manufacturer makes your valve and find exact replacements or compatible alternatives.
Search by Manufacturer
Know your valve brand? Find complete product ranges, model numbers, and specifications for all 67 manufacturers in our database.
Cross-Reference Tables
Use compatibility tables to find alternative manufacturers, universal replacements, or exact OEM matches for your toilet brand.
Professional Recommendations
Get expert guidance on which manufacturers offer the best reliability, warranty support, and value for your specific application.
How to Use This Library
If You Know Your Manufacturer:
- Find your manufacturer in one of the 6 categories below
- Review their complete product range
- Note model numbers and specifications
- Check stockist availability in Guide 5
- Follow installation guidance in Guide 3
If You Don't Know Your Manufacturer:
- Use Guide 1 to identify your valve type first
- Check the toilet brand compatibility finder below
- Look up your toilet brand to see compatible valves
- Review cross-reference tables for alternatives
- Consider universal replacement options
UK Heritage Manufacturers
British brands with decades of UK market experience. These manufacturers understand local plumbing standards, water conditions, and offer excellent UK-based support and spare parts availability.
Thomas Dudley Ltd
UK 🇬🇧 | Established 1881
Key Product Ranges:
- Vantage Series: Vantage Dual Flush, Vantage Cable, Vantage Push Button
- Turbo88: Turbo88 Mk2, Turbo88 Tornado (high-performance siphons)
- Hydroflo: Compact dual flush valves (9", 7.5" variants)
- Classic Siphons: 7.5", 9", 10.5" lever siphons
- Spares: Comprehensive seal, diaphragm, and button ranges
Market Position:
UK's longest-established cistern valve manufacturer. Exceptional reliability and build quality. Made in Birmingham. Excellent spare parts availability through all major trade counters. Industry-standard for quality installations.
Macdee
UK 🇬🇧 | British Engineering
Key Product Ranges:
- Metro Series: Metro Dual Flush, Metro Compact (9", 7.5")
- Kayla Range: Kayla Dual Flush (bottom entry)
- Wirquin Partnership: Rebranded Wirquin products
- Classic Siphons: Traditional UK-style lever siphons
- Replacement Parts: Seals, buttons, cables
Market Position:
Strong UK market presence with competitive pricing. Reliable mid-market brand. Good availability through Screwfix, Toolstation, and trade counters. Popular with plumbers for residential work.
Fluidmaster UK
UK Division 🇬🇧 | Universal Leader
Key Product Ranges:
- 400 Series: 400UK (UK market standard universal valve)
- PRO Series: PRO550UK, PRO750UK (professional-grade)
- Universal Range: Fits most UK cisterns (adjustable height)
- Bottom Entry: Bottom inlet versions available
- Repair Kits: Comprehensive seal and valve repair packs
Market Position:
World leader in universal toilet valves. Excellent UK adaptation. Available everywhere from Screwfix to Amazon. Go-to choice when exact match unavailable. Reliable, affordable, and easy to install.
Armitage Shanks
UK 🇬🇧 | Ideal Standard Group
Key Product Ranges:
- Conceala: S5617AA, S5627AA (concealed cisterns)
- Dual Flush: S430067, S430167 (close-coupled)
- Syphonic: S961067 (traditional UK siphons)
- Commercial Range: Heavy-duty options
- OEM Parts: For Armitage Shanks toilets
Market Position:
Iconic UK brand now part of Ideal Standard. Strong commercial sector presence. Reliable quality. Good spare parts availability. Popular in schools, hospitals, and public buildings.
Twyford
UK 🇬🇧 | Est. 1849
Key Product Ranges:
- E100 Series: E100 Round, E100 Square (close-coupled)
- Galerie: Premium concealed systems
- Dual Flush: Cable and push-button variants
- Classic Range: Traditional UK-style
Market Position:
Oldest UK sanitaryware manufacturer. Geberit Group ownership. Strong heritage market presence. Good for matching period properties. Quality mid-market positioning.
Caroma UK
UK Division 🇬🇧 | GWA Group
Key Product Ranges:
- Smartflush: Water-saving dual flush technology
- Caravelle: Close-coupled range
- Universal Parts: UK-compatible valves
Market Position:
Australian brand with UK presence. Water-efficiency focus. Niche market position. Parts through specialist suppliers. Good for eco-friendly installations.
Lecico
UK 🇬🇧 | Value Leader
Key Product Ranges:
- Atlas Series: Budget-friendly close-coupled
- Designer Range: Contemporary styles
- Standard Valves: Reliable basic mechanisms
Market Position:
Budget-focused brand with UK manufacturing. Good value proposition. Growing market share. Popular with landlords and social housing. Available through builders merchants.
RAK Ceramics UK
UK Division 🇬🇧 | UAE Parent
Key Product Ranges:
- Ecofix: Water-saving flush valves
- Concealed Systems: Designer frames
- Standard Range: Close-coupled valves
Market Position:
Fast-growing brand with competitive pricing. Good UK support network. Popular with developers. Modern designs at mid-market prices.
Saniflo UK
UK 🇬🇧 | Macerator Specialist
Key Product Ranges:
- Macerator Pumps: Specialist flush integration
- Kinemoon: Wall-hung toilet systems
- Standard Valves: For traditional installations
Market Position:
Market leader in macerator systems. Unique niche position. Essential for below-drainage installations. Excellent UK technical support. Specialized rather than mainstream.
Heritage Bathrooms
UK 🇬🇧 | Traditional Style
Key Product Ranges:
- Traditional Siphons: Period-style mechanisms
- High-Level Cisterns: Victorian/Edwardian style
- Close-Coupled: Heritage styling
Market Position:
Specialist in traditional UK bathroom styles. Niche market for period property restoration. Quality reproduction parts. Available through specialist bathroom retailers.
European Specialist Manufacturers
Continental European manufacturers with strong technical innovation and specialized product ranges. These brands often lead in dual flush technology, water efficiency, and concealed cistern systems.
Siamp
France 🇫🇷
Key Ranges: Optima 49/50, Skipper 45, Optima Compact, Verso. Dual flush specialists with innovative water-saving technology.
Good UK AvailabilityWirquin
France 🇫🇷
Key Ranges: Jollyflush, Pneuma, Pro Universal. OEM supplier for many UK brands including Macdee partnership.
OEM SupplierOLI
Portugal 🇵🇹
Key Ranges: OLI74 Plus, OLI120 Plus (concealed cisterns). Premium concealed systems for designer bathrooms.
Concealed SpecialistWisa
Netherlands 🇳🇱
Key Ranges: Excellent frame systems, XS frames. Dutch quality engineering for concealed installations.
Tece
Germany 🇩🇪
Key Ranges: TECEprofil, TECElux (designer flush plates). Premium concealed systems with designer aesthetics.
Viega
Germany 🇩🇪
Key Ranges: Prevista, Eco Plus, Standard. German engineering with focus on water efficiency and reliability.
Oliveira
Portugal 🇵🇹
Key Ranges: Dual flush valves, traditional siphons. Portuguese quality at competitive prices.
Schwab
Germany 🇩🇪
Key Ranges: Concealed frame systems, specialized valves. Niche German manufacturer for specific applications.
Mepa
Germany 🇩🇪
Key Ranges: Varivit frame systems, flush mechanisms. Innovative German engineering solutions.
Berges
Belgium 🇧🇪
Key Ranges: Specialized valves for Belgian market. Limited UK availability through specialist importers.
Alca Plast
Czech Republic 🇨🇿
Key Ranges: Renovmodul, Sadromodul (concealed frames). Growing presence in UK market with competitive pricing.
Budget OptionGrohe Rapid SL
Germany 🇩🇪
Key Ranges: Rapid SL frames, Skate Air, Arena plates. Complete concealed cistern systems with designer flush plates.
Premium SystemBudget & Universal Brands
Cost-effective universal replacement valves and own-brand products from major UK retailers. These brands offer reliable performance at budget-friendly prices and work with most UK cisterns.
Flomasta
Screwfix Own-Brand 🇬🇧
Key Ranges: Universal dual flush, adjustable siphons, repair kits. Budget-friendly option available at 700+ Screwfix locations nationwide.
Viva
B&Q Own-Brand 🇬🇧
Key Ranges: Universal valves, traditional siphons, DIY-friendly packaging. Available at 300+ B&Q stores with helpful DIY installation guides.
DIY FriendlyMagnaplumb
Budget Universal 🇬🇧
Key Ranges: Universal fit valves, basic siphons. Economical option for landlords and budget installations.
Plumbsure
B&Q Budget Range 🇬🇧
Key Ranges: Entry-level valves, basic replacement parts. Low-cost option for simple repairs.
Triton
UK Value Brand 🇬🇧
Key Ranges: Universal dual flush, compact siphons. Good value mid-budget option with wider retailer availability.
Wickes Universal
Wickes Own-Brand 🇬🇧
Key Ranges: Universal fit valves, trade-quality own-brand. Competitive pricing at 230+ Wickes stores.
Homebase Own Brand
Homebase Range 🇬🇧
Key Ranges: Basic universal valves. Limited range but convenient for emergency replacements.
Universal Generic Parts
Multi-Retailer 🇬🇧
Key Ranges: Unbranded universal fit valves from various suppliers. Budget option with variable quality—check reviews before purchase.
⚠️ Quality VariesSpecialist & Professional Brands
Specialist component manufacturers, push-fit systems, water treatment, and designer bathroom brands with flush valve offerings.
Pneumatex
Switzerland 🇨🇭 | Hydraulic Specialists
Key Products: Pressure control valves, expansion vessels, and hydraulic components. Specializes in commercial/industrial water pressure management systems.
Commercial FocusCaleffi
Italy 🇮🇹 | Pressure Control
Key Ranges: Pressure reducing valves (PRV), thermostatic mixing valves, safety valves. Italian manufacturer with excellent UK commercial availability.
Good UK AvailabilityHoneywell Braukmann
Germany/USA 🇩🇪🇺🇸 | Control Systems
Key Products: Water control valves, pressure reducers, combination valves. Commercial-grade components with superior reliability.
Commercial GradePegler Yorkshire
UK 🇬🇧 | Brass Components
Key Ranges: Brass valves, ball valves, isolators, float valves. Long-established UK manufacturer with comprehensive range. Excellent trade availability.
Hep2O
UK 🇬🇧 | Push-Fit Specialists
Key Products: Push-fit pipe systems, connections, valves. Market leader in UK push-fit plumbing. Some toilet connection applications.
UK Market LeaderJohn Guest
UK 🇬🇧 | Push-Fit Systems
Key Ranges: Speedfit push-fit systems, valves, connections. Comprehensive range including toilet connections and isolation valves.
Speedfit
UK 🇬🇧 | John Guest Brand
Key Products: Push-fit connections, isolating valves, toilet connection kits. DIY-friendly installation with no tools required.
Widely AvailableFernox
UK 🇬🇧 | Water Treatment
Key Products: Scale inhibitors, cleaners, filters. Protects flush valves and toilet components in hard water areas. Preventative maintenance focus.
Hard Water ProtectionSentinel
UK 🇬🇧 | System Protection
Key Products: Water treatment chemicals, inhibitors, system cleaners. Extends lifespan of flush mechanisms and prevents limescale buildup.
Maintenance ProductsNabis
UK 🇬🇧 | Bathroom Specialists
Key Products: Designer bathroom suites with integrated flush systems. Premium toilets with proprietary valve mechanisms.
OEM Parts RequiredFrontline
UK 🇬🇧 | Budget Professional
Key Ranges: Budget bathroom suites, toilets with standard flush mechanisms. Good availability through Travis Perkins and Wickes.
Trade AvailabilityUltra
UK 🇬🇧 | Contemporary Designs
Key Products: Modern bathroom furniture and toilets. Contemporary flush button designs, some using Geberit/Siamp mechanisms.
Online AvailabilityApril
UK 🇬🇧 | Designer Range
Key Products: Designer bathroom suites, wall-hung toilets with concealed cisterns. Uses branded flush mechanisms (Geberit, Wisa).
Specialist RetailersBurlington
UK 🇬🇧 | Traditional Styles
Key Products: Traditional Victorian/Edwardian style toilets and cisterns. High-level cisterns with pull-chain flush, low-level close-coupled.
Crosswater
UK 🇬🇧 | Luxury Fittings
Key Products: High-end designer flush plates, pneumatic buttons, luxury toilet suites. Premium finishes (chrome, brushed brass, matt black).
Showroom OnlyRegional & Niche Brands
Regional suppliers, discontinued brand parts, OEM proprietary mechanisms, and specialist restoration suppliers for heritage properties.
Regional Independent Suppliers
Local Specialists
Independent plumbing merchants across the UK often stock regional brands and have access to niche manufacturers not available through national chains.
Examples Include:
- • Local plumbers' merchants with proprietary brands
- • Regional bathroom showroom own-label products
- • Independent hardware stores with specialist stock
- • Trade-only suppliers with niche manufacturer access
Discontinued Brand Parts
Legacy Products
Older toilet installations may use flush mechanisms from discontinued brands. Specialist suppliers maintain stock of obsolete parts and alternatives.
Common Discontinued Brands:
- • Qualcast: 1980s-90s budget valves—use Fluidmaster 400UK replacement
- • Aqualisa Flush: Discontinued toilet range—Macdee Metro compatible
- • Old Shires: Pre-2000 siphons—Thomas Dudley Hydroflo replacement
- • Shanks Derwent: Vintage range—Armitage Shanks modern equivalent
- • Potterton Bathroom: 1970s-80s—universal siphon replacement needed
OEM Toilet Manufacturer Valves
Proprietary Systems
Some toilet manufacturers produce proprietary flush mechanisms that are only compatible with their specific toilet models. Parts must be sourced directly.
Proprietary System Examples:
- • Duravit SensoWash: Integrated electronic flush—manufacturer parts only
- • TOTO Washlet: Japanese integrated systems—TOTO UK parts supply
- • Laufen Rimless: Proprietary valve design—Laufen dealer network
- • VitrA V-Care: Smart toilet mechanisms—VitrA authorized service
- • Kohler Veil: Integrated intelligent toilet—Kohler parts only
Heritage & Restoration Parts
Period Properties
Specialist suppliers for Victorian, Edwardian, and vintage bathroom restoration projects. Authentic period flush mechanisms and replica parts.
Specialist Restoration Suppliers:
- • Holloways of Ludlow: Victorian/Edwardian bathroom specialists
- • The Water Monopoly: Period bathroom fixtures and mechanisms
- • Catchpole & Rye: Reclaimed and reproduction bathroom fittings
- • Soho Bathrooms: Traditional high-level cistern parts
- • Heritage Brass: Authentic period flush handles and chains
Online Specialist Marketplaces
Digital Sourcing
Online platforms specializing in hard-to-find, discontinued, and international flush valve brands not stocked by traditional UK retailers.
Specialist Online Sources:
- • UK Bathrooms: Wide range including European niche brands
- • Plumbing4Home: Import specialists for Continental products
- • BathroomSpares.co.uk: Obsolete and discontinued parts database
- • AQVA: High-end international designer brands
- • eBay Trade Sellers: NOS (new old stock) and rare mechanisms
European Import Brands
Continental Products
Lesser-known European manufacturers available through specialist importers. Often excellent quality but limited UK service network.
Import Brand Examples:
- • Cersanit (Poland): Budget-friendly Eastern European brand
- • Hatria (Italy): Designer brand, Geberit-compatible mechanisms
- • GSI Ceramica (Italy): Contemporary designs, proprietary valves
- • Sphinx (Netherlands): Mid-range with Geberit compatibility
- • Keramag (Germany): Premium brand now part of Geberit Group
Smart Toilet Integrated Systems
Electronic Mechanisms
High-tech electronic flush systems integrated into smart toilets. Proprietary electronic mechanisms requiring specialist servicing.
Smart Toilet Brands:
- • TOTO Neorest: Japanese market leader—TOTO UK service network
- • Duravit SensoWash: German engineering—dealer service only
- • Geberit AquaClean: Integrated shower toilet—Geberit support
- • VitrA V-Care: Turkish smart toilet—VitrA authorized service
- • Bio Bidet UK: Electronic bidet seats—manufacturer direct parts
Commercial Washroom Specialists
Industrial Grade
Heavy-duty commercial flush valve systems for high-traffic public toilets, office buildings, and institutional facilities.
Commercial Specialist Brands:
- • Sloan Valve (USA): Commercial flushometer market leader
- • American Standard Commercial: Heavy-duty institutional valves
- • Zurn (USA): Commercial plumbing fixtures and flush valves
- • Delabie (France): Healthcare and commercial washroom specialists
- • Dolphin Solutions: Commercial washroom systems and valves
Can't Find Your Manufacturer?
The UK flush valve market includes hundreds of brands and sub-brands. If your manufacturer isn't listed here, our professional team can help identify the mechanism and source replacement parts from our extensive supplier network.
📸 Photo Identification
Send us a photo for expert identification
🔍 Database Search
Access to comprehensive parts databases
📦 Specialist Sourcing
Trade connections for rare/discontinued parts
Professional Recommendations by Application
Expert guidance on which manufacturers and product ranges work best for specific applications and requirements.
High-End Residential
For luxury bathrooms and designer installations where quality, warranty, and aesthetics are priorities.
Top Recommendations:
- • Geberit: Industry leader, 10-year warranty, exceptional reliability
- • Grohe: Premium German engineering, designer flush plates
- • Villeroy & Boch: Luxury aesthetics, proprietary systems
- • Thomas Dudley Vantage: UK-made premium quality
Standard Residential
For most homeowner installations where reliable quality at fair pricing is the goal.
Top Recommendations:
- • Thomas Dudley Hydroflo: Excellent quality, widely available
- • Macdee Metro: Reliable mid-market, good value
- • Fluidmaster PRO550UK: Universal fit, professional grade
- • Siamp Optima: Water-efficient, proven reliability
Commercial/High-Traffic
For schools, offices, hospitals, and public buildings requiring maximum durability.
Top Recommendations:
- • Geberit Commercial Range: Vandal-resistant, heavy-duty
- • Armitage Shanks Commercial: UK standard for public sector
- • Thomas Dudley Turbo88: High-performance siphon
- • Ideal Standard Prosys: Robust concealed systems
Budget/Rental Properties
For landlords and budget-conscious installations where cost is the primary concern.
Top Recommendations:
- • Flomasta Universal: Budget-friendly, widely available
- • Fluidmaster 400UK: Economical universal option
- • Viva/Plumbsure: Basic functionality at low cost
- • Macdee Basic Range: Entry-level branded option
Hard Water Areas
For Hampshire, Wiltshire, and other hard water regions prone to limescale buildup.
Top Recommendations:
- • Geberit Impuls: Cable-operated (less scale buildup)
- • Thomas Dudley Vantage: Scale-resistant materials
- • Fluidmaster PRO Series: Anti-lime coating
- • Siamp Optima: Large water passages reduce blockages
Water Efficiency Priority
For eco-conscious installations focused on minimizing water consumption and environmental impact.
Top Recommendations:
- • Geberit Dual Flush: Precision 3/6 litre volumes
- • Caroma Smartflush: Innovative water-saving technology
- • Siamp Optima 50: Efficient dual flush mechanism
- • Roca Duplo: Accurate volume control
Toilet Brand Compatibility Quick Reference
Find which flush valve manufacturers are compatible with your toilet brand. This quick reference helps you identify the right replacement valve for your specific toilet model.
How to Use: Find your toilet brand below to see OEM (Original Equipment Manufacturer) valves and compatible universal alternatives. For exact model matching, check with the manufacturer or use Guide 1 (Identification) first.
A-D Toilet Brands
Armitage Shanks
OEM: Armitage Shanks valves | Compatible: Ideal Standard, Fluidmaster 400UK, Thomas Dudley universal
Close Coupled (Generic)
OEM: Varies by brand | Compatible: Fluidmaster PRO550UK, Macdee Metro, Thomas Dudley Hydroflo, any universal valve
Duravit
OEM: Duravit valves | Compatible: Limited—usually require OEM parts for proper fit
G-I Toilet Brands
Geberit
OEM: Geberit valves (Impuls, Type 290) | Compatible: Limited—Geberit systems usually proprietary
Grohe
OEM: Grohe Rapid SL, Dal | Compatible: Limited—concealed systems often proprietary
Ideal Standard
OEM: Ideal Standard valves | Compatible: Armitage Shanks, Thomas Dudley, Fluidmaster universal
R-T Toilet Brands
Roca
OEM: Roca Duplo, Drop Valve | Compatible: Siamp, Wirquin, Fluidmaster universal
RAK Ceramics
OEM: RAK Ecofix | Compatible: Most universal valves (50mm outlet)
Twyford
OEM: Twyford E100 series | Compatible: Thomas Dudley, Geberit standard valves, Fluidmaster universal
V-Z Toilet Brands
Villeroy & Boch
OEM: V&B ViConnect | Compatible: Limited—usually require V&B proprietary parts
VitrA
OEM: VitrA dual flush | Compatible: Universal valves often work (check outlet diameter)
Wall-Hung (Generic)
OEM: Frame manufacturer (Geberit, Grohe, etc.) | Compatible: Must match frame system—rarely interchangeable
⚠️ Important Compatibility Notes
- • Outlet Diameter: Most UK toilets use 50mm outlet. Always measure before purchasing.
- • Concealed Cisterns: Usually require manufacturer-specific parts. Universal valves rarely fit.
- • Close-Coupled Toilets: Generally accept universal valves if outlet diameter matches.
- • Cable vs Push-Button: Ensure replacement valve matches your flush mechanism type.
- • When In Doubt: Use Guide 1 (Identification) to determine exact valve model before purchasing.
Can't Find Your Manufacturer or Model?
With 67 manufacturers and 225+ products, finding the exact match can be challenging. We maintain van stock of common models and can source specialist parts quickly through our trade accounts.
Expert Identification
We can identify obscure manufacturers and rare models
Van Stock
Common brands: Geberit, Thomas Dudley, Fluidmaster, Macdee
Trade Sourcing
Access to all major suppliers for next-day specialist parts
Related Guides from This Series
Complete your knowledge with these complementary guides from the UK Flush Valve Series.
Guide 1: Identification
4 professional methods to identify your flush valve manufacturer and model number.
Guide 3: Installation (DIY)
Step-by-step installation guides for all major valve types with difficulty ratings.
Guide 5: UK Stockists
Complete directory of 52+ UK retailers where you can buy these manufacturers' products.