Valve Sizing Tool

HORNE 20 Thermostatic Mixing Valve with Integral Isolating Valves and Wall Mounting Kit and White Plastic Cover

H20-23B

Including integral isolating valves, swivel inlet connections, strainers, check valves, flow regulator, wall bracket, screws, wallplugs and white HIPS cover.. Pipe connections by compression fitting for 22mm copper pipe. In bronze finish. Product Reference H20-23B and drawing PA-579K. To be installed according to the manufacturer's instructions and commissioned in accordance with water regulations and bylaws using the Horne H20 Flushing kit.

Designed and manufactured by Horne Engineering Ltd

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Applications

Suitable for point of use thermostatic mixing at baths and for supplying mixed water to a group of basins and shower outlets.

For sizing a TMV for group mixing applications use our simple

Valve Sizing Tool
A group installation of Duso shower columns fed with pre-blended warm water from a group TMV (Horne 20 or Horne25)

Features

  • High performance Type 3 approved thermostatic mixing valve delivers accurate and reliable temperature control
  • Full bore, high capacity fine mesh strainer optimised to protect the thermostatic mechanism and all downstream fittings
  • Swivel inlet connections for installation in any orientation
  • Integral isolating valves for ease of maintenance
  • Quick and easy to install - fewer pipe connections required than traditional installation
  • Easy access to strainers for maintenance, pipe flushing and water sample collection
  • Ease of maintenance

Accessories

 

 

 

Standards and Approvals

  • The HORNE 20 TMV is designed to meet the requirements of BS7942:2011, 'Thermostatic mixing valves for use in care establishments'.  Recertification as a Type 3 thermostatic mixing valve, to NHS Model Engineering Specifications D 08 Thermostatic mixing valves (Healthcare premises) is pending.
  • All materials in contact with potable water are selected for compliance with UK Water Regulation 4.  Recertification is currently pending.
  • All HORNE products are manufactured under our Quality Management System to BS EN ISO 9001:2015.  Certificate No. FM 01224

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Operating Parameters

     
Mixed water temperature setting at factory   41°C
Range of temperature adjustment   35 - 46°C
Range of hot water supply temperature   55 - 65°C
Maximum static pressure     10 bar
Range of maintained water supply pressures   0.2 - 5 bar 

Useful Documents

Related Products

Recent Installations

  • Aberdeenshire Council (various)
  • Alderhey Children's Hospital
  • Cardiff & Vale NHS Trust
  • Dorset H & S Care Trust
  • Dundee City Council
  • First Choice Housing Association
  • Hellesdon Hospital
  • HMP Leeds
  • Kirklees Neighbourhood Housing
  • Kirkliston Leisure Centre
  • Leicestershire Partnership Trust
  • Lister Hospital
  • Luton Airport
  • McArthur's Yard Apartments, Bristol
  • Nottingham Univ. Hospitals
  • Old War Office, Whitehall
  • Queen Elizabeth Hospital, Woolwich
  • Rampton Hospital
  • Royal Free Hospital
  • Taymouth Castle
  • Univ. Hospitals Leicester
  • Whiston Hospital
  • Whiteleys Hotel, Bayswater
  • Winchester Hospital
Maintenance Image

Maintenance Support

Optimise performance and maximise the lifespan of your Horne Optitherm thermostatic taps, showers and point-of-use mixing valves.

Click the link to access a full suite of narrated installation and maintenance training videos, plus other instructional resources.

Online Training

Get in touch

friendly advice on applications and product selection, technical questions to pricing

Call us: +44 (0) 1505 321455

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