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Harbour Clarity Matt Black 3 Outlet Concealed Thermostatic Mixer Valve

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Klarna
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Pay 4 interest-free instalments of £62.50 with Clearpay Learn more about Clearpay

What's great about it?

  • 3 handle design for precise temperature and water flow control
  • Anti Calc thermostatic cartridge keeps your valve free from limescale and debris
  • Ceramic disc technology prevents unwanted drips
  • WRAS approved
  • 0.5 bar minimum pressure required
  • 5 year manufacturer’s guarantee

Read full product description

Recommended extras

We've hand-picked these items because they are a great choice alongside the Harbour Clarity Matt Black 3 Outlet Concealed Thermostatic Mixer Valve

We don't want you to feel restricted in your own home, which is why this Harbour Clarity 3 outlet thermostatic shower mixer valve features triple handle controls for seamless water flow management across three outlets—giving you plenty of options. With ceramic disc technology, you’ll enjoy smooth operation and leak-free performance for added peace of mind. Plus, the interchangeable backplate lets you customise the look to match your style or existing layout. It’s the perfect balance of style and functionality to refresh your bathroom.
This valve features a state-of-the-art Anti Calc Thermostatic Cartridge. This meticulously engineered marvel stands ready to address common concerns such as temperature fluctuations and diminished water flow, often caused by concealed internal obstructions. Simply press down on the safety button on the thermo handle, then turn the handle to the hottest setting and then to the coldest setting, allowing the cartridge to efficiently flush out dirt, limescale, and debris that can accumulate over time.

Features:
  • Curved 3 outlet design with triple handle control
  • Thermostatic valve with auto-shut off mechanism protects you from sudden changes in temperature, helping prevent scalding
  • Anti Calc thermostatic cartridge - advanced anti-debris technology that helps prevent blockage & limescale build-up for effortless temperature control
  • Ceramic disc technology prevents any unwanted drips
  • Triple handle control - top and bottom handles direct the flow of water between outlets & the middle handle controls the water temperature
  • Interchangeable backplate design allows portrait or landscape orientation
  • Crafted from brass (valve body), stainless steel (backplate) & zinc alloy (handles)
  • Minimum water pressure required: 0.5 bar
  • WRAS approval and certification
  • Shower head or shower handset sold separately, please see our recommended extras
  • 5 year manufacturer’s guarantee

Product Overview
Product Code HBCLA134
Type Concealed Shower Valves, Thermostatic Valves
Brand Harbour
Brand Range Harbour Clarity
GuaranteeMore information 5 Years

Guarantee

Please note that these guarantees are provided by the manufacturer, and will be subject to individual exclusions, exceptions, and terms and conditions, for example avoiding abrasive bleach-based cleaning products.

If you need further info about a specific manufacturer's guarantee, please contact our team.

Features
Cartridge TypeMore information Ceramic Disc
Number of OutletsMore information 3 Outlets
Popular Features WRAS Approved
Material Brass, Stainless Steel, Zinc Alloy
Temperature Control Thermostatic

Taps use either a ceramic disc cartridge or a rubber compression washer to control flow. Rubber washers will naturally wear down with use, and the tap handle will require more and more rotations to turn on or off. On the plus side, it's very easy to replace a rubber washer and they're available everywhere.

Ceramic disc cartridges need only a 90-degree rotation to fully open or close, and the 2 ceramic plates are incredibly hard-wearing and resilient. They're more expensive to make, but they allow for a huge range of designs, easy operation and simple maintenance if needed.

Whilst it is rare for a ceramic cartridge to need replacing, you may very occasionally need to remove and rinse the cartridge if grit or debris within the water system is preventing the 2 plates from closing properly. Much like replacing a rubber washer, this is a quick and easy job, and will ensure many years of use.

This indicates how many water outlets you can pair with your shower valves. Choosing valves with more outlets will give you flexibility over the number of products you can add to your shower. 

Each outlet from your shower valve will divert water to the section of your shower that needs it, so each extra outlet allows you to add another product. For example: with 1 outlet you could have just a fixed shower head. 2 outlets will allow you to have a fixed shower head and shower handset. 3 will allow both of these with the addition of a body jet.

Style
Shape Round
Mounting Type Wall Mounted
Finish Texture Matt
Finish Matt Black
Style Modern
Orientation Landscape, Portrait
Handle Type Round, Triple Control
Dimensions
Width (mm) 130
Height (mm) 290
Depth (mm) 132
Flow Rate
Flow Rate at 0.5 Bar (l/min) 10
Flow Rate at 1 Bar (l/min) 14
Flow Rate at 2 Bar (l/min) 19.8
Flow Rate at 3 Bar (l/min) 24.4
Flow Rate at 4 Bar (l/min) 28.1
Flow Rate at 5 Bar (l/min) 31.6
Minimum Water PressureMore information 0.5

Your water pressure depends on your home's water system. It’s important to consider water pressure when buying a new tap or shower. Buying a product with a minimum water pressure that’s too high for your home will result in poor performance.

- With a combi boiler you can usually expect between 1 and 2 bar

- With a gravity system (cold water tank in attic) you may have as little as 0.1 or 0.2 bar upstairs, and perhaps 0.5 bar downstairs

- With a high pressure unvented system (hot water cylinder, no cold water tank) you will generally have between 1 and 3 bar

You can install an item with a low minimum pressure rating on a high pressure system, but avoid installing an item with a high minimum rating on a low pressure system! Read our guide to water pressure to learn more.

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