Description
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The Fluidmaster Pro Ultra Universal Dual Flush Syphon is the professional's choice for reliable, water-efficient toilet cistern performance. This ultra-compact syphon fits virtually all 1.5" lever-operated cisterns, making it the versatile solution for installations, replacements, and upgrades across residential and commercial properties.
Key Features & Benefits
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Universal Compatibility – Fits virtually all 1.5" lever-operated cisterns
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Dual Flush Water Saving – Full and partial flush volume adjustability for optimal water efficiency
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Rapid Height Adjustment – Quick setup with 7.5–9.5 inch (190–241mm) adjustable range
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Long-Lasting Butterfly Diaphragm – Unique design ensures reliable, quiet operation
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Twin Flow Cap Design – Optimised performance with anti-turbulence outlet
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Easy Installation & Servicing – Removable parts for quick maintenance
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Retrofit Compatible – Replaces Turbo 88, Turbo S44R, and S1-11 syphons
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Ultra-Compact Design – Fits tight spaces and low-profile cisterns
What's Included
- Fluidmaster Pro Ultra dual flush syphon body
- Butterfly diaphragm mechanism
- Twin flow cap with anti-turbulence outlet
- Height adjustment components
- Installation instructions
Technical Specifications
- Manufacturer: Fluidmaster
- Model: Pro Ultra Universal
- Fitting Size: 1.5" (38mm)
- Height Range: 7.5–9.5 inches (190–241mm)
- Operation: Lever-operated dual flush
- Flush Type: Full flush and partial flush (adjustable volumes)
- Diaphragm: Butterfly design for long-lasting performance
- Flow Cap: Twin flow design with anti-turbulence outlet
- Compatibility: Virtually all 1.5" lever-operated cisterns
- Retrofit: Replaces Turbo 88, Turbo S44R, S1-11
- Barcode: 5011629016544
- SKU: K96069
How to Use Dual Flush
The dual flush operation provides water-saving flexibility:
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Partial Flush: Depress lever and hold for reduced water volume – ideal for liquid waste
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Full Flush: Depress lever and release for complete flush cycle – for solid waste
This user-controlled dual flush system allows occupants to choose the appropriate flush volume, reducing water consumption by up to 50% compared to single-flush cisterns.
Universal Compatibility Explained
The Pro Ultra is designed to fit virtually all 1.5" (38mm) lever-operated cisterns, including:
- Close-coupled toilets
- Low-level cisterns
- High-level cisterns
- Concealed cisterns (where accessible)
- Most UK toilet brands and models
The adjustable height range (190–241mm) ensures compatibility with different cistern depths, making this a true universal replacement syphon.
Butterfly Diaphragm Technology
The unique butterfly diaphragm design offers significant advantages over traditional syphon mechanisms:
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Longer Lifespan: Durable construction resists wear and degradation
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Quieter Operation: Smooth action reduces flushing noise
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Reliable Performance: Consistent flush power over years of use
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Easy Replacement: Diaphragm can be replaced without removing entire syphon
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Reduced Maintenance: Fewer moving parts mean less to go wrong
Twin Flow Cap with Anti-Turbulence Outlet
The innovative twin flow cap design optimizes water flow for efficient, powerful flushing:
- Dual water channels maximize flow rate
- Anti-turbulence outlet prevents water swirl and air lock
- Improved flush performance with less water
- Reduces flush time for faster cistern refill
Rapid Height Adjustment
The quick-adjust height mechanism allows fast, tool-free adjustment between 7.5" and 9.5" (190–241mm). This feature:
- Speeds up installation time
- Ensures perfect fit in different cistern depths
- Eliminates need for cutting or modification
- Allows fine-tuning for optimal flush performance
Retrofit Compatibility
This syphon is a direct replacement for several popular models:
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Turbo 88: Direct replacement with improved performance
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Turbo S44R: Upgrade to dual flush water saving
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S1-11: Modern replacement with enhanced reliability
If you're replacing an old or worn syphon, the Pro Ultra offers improved performance, water savings, and easier maintenance.
Applications & Use Cases
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Residential Bathrooms: Replace worn or faulty syphons
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Rental Properties: Upgrade to water-saving dual flush
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Commercial Installations: Hotels, offices, restaurants
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New Builds: Specify for reliable, efficient performance
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Renovations: Modernize existing toilet cisterns
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Maintenance Contracts: Stock for quick repairs and replacements
Installation Guide
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Turn Off Water: Shut off water supply to cistern
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Drain Cistern: Flush toilet to empty cistern completely
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Remove Old Syphon: Disconnect flush lever and remove old syphon
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Adjust Height: Set Pro Ultra to required height (7.5–9.5")
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Install Syphon: Position in cistern and secure with backnut
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Connect Lever: Attach flush lever to syphon mechanism
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Test Operation: Turn water back on and test both flush modes
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Adjust if Needed: Fine-tune height or flush volumes as required
Water Savings
Dual flush syphons can reduce household water consumption significantly:
- Up to 50% reduction in toilet water use
- Average family saves 20,000–30,000 litres annually
- Reduces water bills and environmental impact
- Meets water efficiency building regulations
Maintenance & Servicing
The Pro Ultra is designed for easy maintenance:
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Removable Parts: Diaphragm and flow cap can be removed for cleaning or replacement
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No Special Tools: Standard tools sufficient for all servicing
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Spare Parts Available: Replacement diaphragms and components readily available
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Long Service Life: Quality construction minimizes maintenance requirements
Troubleshooting Common Issues
Weak Flush: Check diaphragm condition, adjust height, ensure lever operates fully
Continuous Running: Check diaphragm seal, ensure proper seating
Noisy Operation: Check for debris, ensure anti-turbulence outlet is clear
Partial Flush Not Working: Verify lever hold-down operation, check diaphragm
Why Choose Fluidmaster?
Fluidmaster is a world-leading manufacturer of toilet cistern components, trusted by plumbers and professionals globally. Their Pro range represents the pinnacle of reliability, innovation, and ease of installation. With decades of engineering expertise, Fluidmaster products deliver consistent performance and long service life.
About the Vendor
This product is supplied by Bubblegum Bathrooms, ensuring genuine Fluidmaster quality with fast UK delivery and expert customer support.
Perfect for: Professional plumbers, bathroom fitters, property maintenance teams, landlords, facilities managers, and competent DIY enthusiasts seeking a reliable, water-efficient, universal-fit dual flush syphon for toilet cistern installations and replacements.
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