Valve Sizing Tool

HORNE 32 Thermostatic mixing valve Recirculating version


A pre-assembled unit for circulating Domestic Hot Water Systems including the Horne 32 Thermostatic Mixing Valve with check valves - inlet connections male screwed 1 1/4 inch B.S.P. (DN32) and outlet connection female tapped 1 1/4 inch B.S.P. (DN32) - dial thermometer, return limiter and ball flow indicator. 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 H32-R as per drawing D9347. 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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Recirculating of hot water in domestic hot water systems. May be used in conjunction with additional point of use thermostatic mixing valves, showers and taps.


  • Highly accurate temperature control across full range of flow rates
  • mixed water temperature maintained when no outlets in use - set temperature always available at every outlet
  • Supplied as a pre-assmebled package for easy installation
  • Robust and reliable
  • Ease of maintenance

Standards and Approvals

  • Compliant with UK Water Regulation 4; non-metallic materials in contact with potable water
  • All HORNE products are manufactured under our Quality Management System to BS EN ISO 9001:2015. Certificate No. FM 01224

Technical considerations

Useful Documents

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