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Fluidmaster 400A Toilet Tank Repair Fill Valve - 2 Pack

Pros

  • World-leading fill valve design fits most UK toilet cisterns
  • Height adjusts from 9in to 14in without cutting the overflow pipe
  • Two-pack keeps a spare on hand for the next running toilet

Cons

  • Universal fit means some cisterns need a little extra trimming

Specifications

Material
Plastic
Brand
Fluidmaster
Price tier
Mid-range

How it compares in Plumbing Supplies

We list 37 plumbing supplies products, priced from £2.86 to £90.94. At £30.29 this one is the 34th cheapest of them 3 cost more. The average across the subcategory is £14.65 and the midpoint is £10.30, so it lands £15.64 above the average.

Its 4.6-star score sits 0.09 above the plumbing supplies average of 4.51, with 2 of the 37 rated higher. Its 3,200 Amazon reviews make it the 3rd most-reviewed here, against a subcategory average of 1,113.

Price position in Plumbing Supplies

Cheapest £2.86This one £30.29Dearest £90.94

Splitting the subcategory into three price bands puts this product in the Premium band (£13.99£35.87), which holds 10 of 32 products and averages £22.82 at 4.54 stars.

Average price and rating of each price band in Plumbing Supplies
BandRangeProductsAverage priceAverage rating
Budget£1.98£6.9911£4.304.51
Mid-range£7.10£12.9911£10.264.54
PremiumThis one£13.99£35.8710£22.824.54

About this product

This Fluidmaster 400A Toilet Tank Repair Fill Valve – 2 Pack offers a straightforward solution to common toilet issues, providing peace of mind and saving you from costly plumber visits. Designed for homeowners comfortable with basic DIY repairs, this kit is ideal for tackling those frustratingly slow flushing toilets or persistent leaks. The adjustable height feature ensures compatibility with a wide variety of standard toilet models, allowing you to fine-tune the valve’s position without needing to modify the overflow pipe – a significant benefit when working with older installations.

The complete replacement kit includes all necessary components for a full assembly, constructed from durable plastic designed to withstand daily use and provide reliable water flow. The universal fit is suitable for most UK toilet cisterns, though some may require minor trimming to achieve optimal performance. Having two valves in the pack means you’ll always have a spare on hand – a practical consideration for any homeowner.

This Fluidmaster fill valve is built to meet IAPMO specifications, ensuring dependable operation and long-lasting performance. It’s a robust solution designed for those seeking a simple, cost-effective way to maintain their toilet's functionality. The easy installation process makes this a great option for anyone looking to take control of minor repairs around the home.

FAQ

What makes the Fluidmaster toilet fill valve suitable for use in UK homes?

This replacement valve is designed to fit standard UK toilet cisterns, offering a straightforward solution for common issues. Its adjustable height feature allows it to adapt to various tank sizes and designs commonly found within UK households.

What materials is the Fluidmaster fill valve constructed from?

The valve body is made from durable plastic, designed to withstand regular use and provide a reliable seal. This construction contributes to the long-term performance of the unit within typical home environments.

How does the adjustability feature work on this model?

The adjustable height feature allows for fine-tuning of the fill valve’s position within the cistern. This adjustment capability ensures compatibility with a range of tank sizes and configurations commonly found in UK homes.

What kind of maintenance does this type of replacement valve require?

Routine visual checks are recommended to ensure proper operation. Regular cleaning around the connection point is advised to maintain optimal performance and prevent potential issues within a typical home setting.

How does the Fluidmaster compare in price to other similar replacement valves on the market?

This model sits within a mid-range price tier for replacement fill valves, offering a balance of affordability and quality features often found with leading brands like Fluidmaster.

What type of toilet tanks is this valve intended for? Are there any limitations?

This universal design aims to suit most standard UK toilet cisterns. However, due to the adjustable height feature and its compatibility with single-port systems, some adjustments may be required for optimal fit in certain models.

What are the key benefits of purchasing a two-pack?

The two-pack provides a convenient backup solution, allowing you to have a replacement readily available should the first valve require servicing. This ensures minimal disruption and ongoing functionality for your toilet.

Are there any specific installation considerations I should be aware of?

Installation is designed to be straightforward, however, it’s important to ensure a secure connection to avoid leaks. A careful approach during the assembly process will contribute to reliable operation.

Are there any particular safety precautions I should take when replacing this valve?

Always turn off the water supply before commencing installation. Ensure you handle all components with care to prevent damage and maintain safe operating conditions within your bathroom environment.

What are the key features that make Fluidmaster a well-known brand in this market?

Fluidmaster is recognized for its world-leading fill valve designs, which prioritize compatibility with diverse toilet cisterns. The brand focuses on durable construction and reliable performance to address common issues within UK households.