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Filling Valves

The filling valve is a crucial component of your toilet's flush system, responsible for filling the cistern with fresh water for use. If the filling valve develops a fault or fails, it renders your toilet unusable. Additionally, older filling valves may not be as water-efficient as modern counterparts, making an upgrade a sensible choice. The filling valve plays a role in preventing overfilling of the cistern.
At Plumb2U, we offer a range of filling valves designed to suit various toilet designs, ensuring you find the right fit. Our selection includes products from top manufacturers like Wirquin, Ideal Standard and Geberit. These valves are both affordable and easy to install, allowing you to resolve any issues without hassle.

Finish Your Bathroom with Our Top-Notch Fill Valves

Discover our wide range of high-quality filling valves at Plumb2U, essential for any professional plumber looking to ensure efficient toilet and cistern operation. From bottom entry to side entry fill valves, our selection includes everything needed to suit various bathroom setups. 

Each valve is designed for easy installation, reliable performance, and water conservation, ensuring your toilet's filling and flushing system operates smoothly. Shop now to find the right fill valve for your needs, with VAT inclusive pricing, options to click and collect, and fast delivery available.
 
Filling Valves Buying Guide
When it comes to maintaining your bathroom's efficiency and water usage, selecting the right toilet flush valves and fill valves is crucial. Plumb2U can meet your needs, whether you're a professional plumber or a DIY enthusiast looking to update your bathroom.
  1. Types of Filling Valves
    • Bottom Entry Fill Valves: These valves are connected at the bottom of the cistern, which is ideal for minimising noise and hiding plumbing connections. Bottom entry valves are a common choice for modern bathrooms.
    • Side Entry Fill Valves: Fitted on the side of the cistern, these valves are easy to install and are compatible with older cistern models. They are perfect for tank filling without altering the existing setup drastically.
  2. Key Features to Consider
    • Material and Build: Look for high-quality materials that offer durability and corrosion resistance, which will ensure long-term reliability and performance.
    • Adjustability: Adjustable fill valves can save water by allowing you to control the refill rate and water level within your cistern.
    • Ease of Installation: Choose valves that are easy to install, which can save time and potential costs if you're installing them yourself.
  3. Installation Requirements
    • Tools Needed: Make sure you have the right tools for the job, which might include wrenches, pliers, and sealant.
    • Professional Help: While many fill valves are designed for DIY installation, consulting with or hiring a professional plumber can ensure that the valve is set up correctly and securely.
  4. Benefits of Upgrading Your Fill Valve
    • Water Efficiency: Newer models are designed to save water, which can significantly reduce your water bill and help the environment.
    • Reduced Plumbing Issues: Quality fill valves prevent common problems such as running toilets and leaks, ensuring smooth operation and reducing the need for repairs.
    • Compatibility and Performance: Upgrading to a model that is compatible with your system enhances performance and efficiency, tailored specifically to your plumbing needs.
Frequently Asked Questions
1. Can I install a fill valve myself?
Yes, installing a fill valve is manageable with basic plumbing tools. Turn off the water supply, remove the old valve, install the new one securely, and adjust the settings according to the manufacturer’s instructions. Test the setup by flushing the toilet to ensure proper operation.
2.When should I replace my fill valve?
Consider replacing your fill valve if you notice:
  • Persistent Running: The toilet continues to run after flushing.
  • Noises: Hissing or banging sounds during refilling.
  • Slow Refill: The tank refills unusually slowly.
  • Visible Leaks: Water leaks around the valve.
3. What maintenance does a fill valve need?
Maintain your cistern fill valve by:
  • Cleaning: Regularly clean to prevent lime and debris accumulation.
  • Inspection: Check for signs of wear or damage and replace if necessary.
  • Adjustments: Verify that fill level and rate settings are optimal.
4. What other toilet products does Plumb2U stock?
Plumb2U stocks a range of products, including toilet replacement parts, toilet seats and cistern levers. Other parts include toilet flushing valves, air buttons and syphons. 
5. Are there eco-friendly fill valves?
Many modern fill valves are designed to be eco-friendly, featuring dual flush options for different waste types, compatibility with low flow toilets, and adjustable settings to minimise water use.
Fluidmaster Pro Bottom Entry Fill Valve with Brass Shank PRO45B

Fluidmaster Pro Bottom Entry Fill Valve with Brass Shank PRO45B

(Code: PRO45B-1)
£ 17.39
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Fluidmaster Fully Height Adjustable & Flush Valve with Chrome Button Universal Cistern PROCP002

Fluidmaster Fully Height Adjustable & Flush Valve with Chrome Button Universal Cistern PROCP002

(Code: 1171005)
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(1)
£ 31.85
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Geberit Fill Valve Type 380AG 3/8" Brass 244.510.00.1

Geberit Fill Valve Type 380AG 3/8" Brass 244.510.00.1

(Code: 244.510.00.1)
£ 21.19
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Siamp 34951309 Cistern Inlet Float Valve Diaphragm Washer

Siamp 34951309 Cistern Inlet Float Valve Diaphragm Washer

(Code: 1171035)
£ 2.60
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Torbeck Opella Side Entry Filling Valve B610

Torbeck Opella Side Entry Filling Valve B610

(Code: 1171010)
£ 8.90
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Wirquin 1/2" (15 mm) Jollyfill Brass Side Entry Inlet Float Valve - 90° Rotating Head 10120694

Wirquin 1/2" (15 mm) Jollyfill Brass Side Entry Inlet Float Valve - 90° Rotating Head 10120694

(Code: 16300201)
£ 13.99
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Ideal Standard Inlet Float Valve Service Kit SV90167

Ideal Standard Inlet Float Valve Service Kit SV90167

(Code: SV90167)
£ 7.99
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SIAMP 99T bottom entry inlet valve with 1/2" brass connection thread 30992110

SIAMP 99T bottom entry inlet valve with 1/2" brass connection thread 30992110

(Code: 1171044)
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(4)
£ 13.50
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Wirquin Jollyfill Brass 1/2" Bottom Entry Valve 9.5 Inch WRAS Approved 10120693

Wirquin Jollyfill Brass 1/2" Bottom Entry Valve 9.5 Inch WRAS Approved 10120693

(Code: 16100007)
£ 16.50
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Wirquin Pro Jollyfill 1/2" Brass Tail Telescopic Bottom Entry Inlet Valve Ultra Quiet 10120687

Wirquin Pro Jollyfill 1/2" Brass Tail Telescopic Bottom Entry Inlet Valve Ultra Quiet 10120687

(Code: 16110201)
£ 13.65
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Fluidmaster Pro Side Entry Fill Valve with 1/2-Inch Heavy Duty Brass Shank PRO75B

Fluidmaster Pro Side Entry Fill Valve with 1/2-Inch Heavy Duty Brass Shank PRO75B

(Code: 1171022)
£ 17.80
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Torbeck Opella Adjustable Height Valve Bottom Entry B661AT

Torbeck Opella Adjustable Height Valve Bottom Entry B661AT

(Code: 1171011C)
£ 12.99
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Torbeck Opella Adjustable 1/2 inch Brass Filling Valve B661AT1/2B

Torbeck Opella Adjustable 1/2 inch Brass Filling Valve B661AT1/2B

(Code: 1171011D)
£ 14.15
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GROHE 37095000 Filling Valve DAL 3/8" Brass union Cistern WC Bau / Euro Ceramic

GROHE 37095000 Filling Valve DAL 3/8" Brass union Cistern WC Bau / Euro Ceramic

(Code: CC00356)
£ 29.20
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Viva Skylo Side Entry Float Valve (1/2" UK) Brass Shank PP0012/B

Viva Skylo Side Entry Float Valve (1/2" UK) Brass Shank PP0012/B

(Code: PP0012/B)
£ 7.80
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