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Harbour Clarity Two Outlet Concealed Thermostatic Shower Valve - Matt Black

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What's great about it?

  • Two outlet concealed valve
  • Dual handle control 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
  • 0.2 bar minimum pressure required
  • 10 year manufacturer’s guarantee

Read full product description

The Harbour Clarity 2 outlet Matt Black thermostatic shower valve is a modern, versatile choice for any bathroom. Its sleek, rounded design pairs effortlessly with contemporary styles, while the dual outlets and easy-to-use handles make adjusting temperature and water flow straightforward. Built with ceramic disc technology, it’s crafted to prevent leaks and keep everything running smoothly day after day. Plus, it’s WRAS approved, ensuring it meets top water safety standards.

This concealed valve also features an Anti-Calc Thermostatic Cartridge to address common issues like temperature fluctuations or weak water flow caused by internal buildup. Cleaning is quick and hassle-free: press the safety button on the thermostatic handle, turning it from the hottest setting, then to the coldest. This action flushes out dirt, limescale, and debris, keeping the valve performing at its best. Durable and practical, with a 10-year manufacturer’s guarantee, the Harbour Clarity is built for lasting performance and peace of mind.

Features:
  • Modern 2 outlet concealed design with dual handle control.
  • Striking Matt Black finish
  • 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 drips
  • Dual handle control - top diverts the flow of water between outlets and the bottom 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: 0.2 bar
  • Pre-set temperature control of 38°C with a push button override to 48°C
  • WRAS approval and certification
  • Shower head or shower handset sold separately, please see our recommended extras
  • 10 year manufacturer’s guarantee

Product Overview
Product Code HBCLA138
Type Concealed Shower Valves
Brand Harbour
Brand Range Harbour Clarity
GuaranteeMore information 10 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
Material Brass, Stainless Steel, Zinc Alloy
Number of Outlets 2 Outlets
Temperature Control Thermostatic
Cartridge TypeMore information Ceramic Disc
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.
Style
Mounting Type Wall Mounted
Finish Matt Black
Shape Curved
Handle Type Dual Control, Lever, Round
Texture Matt
Style Modern
Orientation Landscape, Portrait
Dimensions
Width (mm) 130
Height (mm) 240
Flow Rate
Flow Rate at 0.2 Bar (l/min) 6.7
Flow Rate at 0.5 Bar (l/min) 10
Flow Rate at 1 Bar (l/min) 14
Flow Rate at 1.5 Bar (l/min) 17.1
Flow Rate at 2 Bar (l/min) 19.8
Flow Rate at 3 Bar (l/min) 24
Flow Rate at 4 Bar (l/min) 27.9
Flow Rate at 5 Bar (l/min) 31
Minimum Water PressureMore information 0.2

Minimum Water Pressure

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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