Fluidmaster Fill Valve - Air Gap Bottom Entry - 1/2 Inch Brass Valve
A revolution in fill valve technology featuring a spiral flow vortex-generator and fast-fit height...A revolution in fill valve technology featuring a spiral flow vortex-generator and fast-fit height adjustment that fits virtually all cisterns. Delayed fill versions are also available, saving up to 1 litre of water every flush. This valve is BS1212 compliant and eliminates backflow with its unique AirGap Technology. It installs to water levels between 140mm - 240mm and provides fast and quiet cistern refilling for both high and low water pressure. The heavy-duty brass shank ensures durability.
Fluidmaster 6420-S-001-P30 Bottom Entry 1/2"" Adjustable Brass Shank Fill ValveFree delivery in 1–3 days£21.88Visit shop →
Product Information
Full details
This guide is for anyone looking to understand and maintain their Fluidmaster Fill Valve. It's designed to provide fast and quiet cistern refilling, saving water with its innovative technology. While known for its durability, proper installation and occasional maintenance are key to optimal performance.
All features
Model Part Number
6000 Series
Brand
Fluidmaster
Extended Product Information
FAQs
How do I adjust the water level?
The fill valve is designed to install at water levels between 140mm and 240mm. Refer to the product instructions for detailed adjustment steps.
What is AirGap Technology?
AirGap Technology prevents backflow contamination by creating a physical air gap, ensuring clean water supply.
Is this fill valve compatible with my toilet?
The valve fits virtually all cisterns. Check the water level range and installation instructions for compatibility with your toilet.
How do I know if I need to replace my fill valve?
If you notice your toilet is running constantly, filling slowly, or making unusual noises, the fill valve may need to be replaced.
What is the warranty on the Fluidmaster Fill Valve?
Please refer to the product packaging or retailer for specific warranty information.
Can I install this myself?
Yes, installation is designed to be user-friendly, but follow all instructions carefully.
What tools do I need for installation?
You'll typically need a wrench and possibly a screwdriver. Refer to the installation guide for a full list of tools.
Troubleshooting
Toilet is constantly running.
Check the flapper valve or seal and replace if necessary. Inspect the fill valve for leaks.
Toilet fills slowly.
Check water supply to the fill valve. Inspect the valve itself for any clogs or sediment and clean as needed.
The toilet is noisy while filling.
Ensure the fill valve is properly installed. Check for any obstructions or unusual contact within the cistern.
Pros and Cons
Pros
Efficient and quick filling of the cistern.
Air gap technology prevents backflow contamination.
Adjustable height accommodates various cistern sizes.
Durable brass construction ensures long life.
Water-saving design with delayed fill options.
Easy to install in most toilet systems.
Cons
Requires proper installation for optimal performance.
May need occasional maintenance to ensure quiet operation.
Specific models required for toilets with unusual cistern designs.
Brass shank, though durable, is subject to corrosion over time.
Setup, Compatibility & Care
Installation: Follow the manufacturer's instructions for proper installation. Ensure the valve is securely attached and the height is adjusted correctly for your cistern.
Compatibility: This valve is designed to fit virtually all cisterns with a bottom entry. Check the water level range (140mm - 240mm) to ensure compatibility.
Care:
Inspect the valve periodically for any signs of wear or leaks.
Clean the valve and surrounding area as needed.
If you notice reduced performance, check for debris or blockages.