Valve Sizing Tool

HORNE 40 Thermostatic Mixing Valve Dead leg version


Including check valves with inlet connections male screwed 1 1/2 inch B.S.P. (DN40) and outlet connection female tapped 1 1/2 inch B.S.P. (DN40) with dial thermometer. Ranges of temperature adjustment available:

  • 15°C to 32°C
  • 32°C to 52°C
  • 45°C to 62°C
  • 58°C to 80°C

In bronze finish. Product Reference H40-DL as per drawing D9348. To be installed according to the manufacturer's instructions and commissioned in accordance with water regulations and bylaws.

Designed and manufactured by Horne Engineering Ltd.

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  • Thermostatic mixing valve to supply groups of taps or showers where large flow rates required.  For sizing a TMV for group mixing applications use our simple Valve Sizing Tool
  • domestic hot water supplies from large combination boilers
  • hot water for process applications


  • Highly accurate temperature control across full range of flow rates
  • Robust and reliable
  • Ease of maintenance
  • Patented design: high flow - low flow functionality 

Standards and Approvals

  • All materials in contact with water are WRAS approved.
  • All HORNE products are manufactured under our Quality Management System to BS EN ISO 9001:2015. Certificate No. FM 01224

Useful Documents

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