Valve Sizing Tool

HORNE 20 Thermostatic Mixing Valve

H20-11B

Including swivel inlet connections, strainers, check valves and flow regulator. Pipe connections by compression fitting for 22mm copper pipe. In bronze finish. Product Reference H20-11B and drawing PA-579Q. 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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Horne 20 Thermostatic Mixing Valve H20-11B

Horne 20-11 Thermostatic Mixing Valve Line Drawing

Flushing procedure for Horne TMVs DN15-DN25

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
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