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HEATSTAT T2 Thermostatic mixing valve DN15 with installation kit

T15-10B and IK15-21B

Including check valves, full bore strainers, isolating valves and outlet stud coupling. Pipe connections by compression fitting for 15mm copper pipe. In bronze finish. Product references T15-10B with IK15-21B. To be installed according to the manufacturer's instructions and commissioned in accordance with water regulations and bylaws using the Horne T15 Flushing kit.

Designed and manufactured by Horne Engineering Ltd.

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A DN15 Thermostatic mixing valve for supplying temperature controlled warm water to baths or bathrooms in high or mains supply pressure domestic hot water systems.

As a TMV2 Scheme Approved thermostatic mixing valve, the Heatstat complies with the requirements of the Building Regulations, Part G: Danger from Heat.

Horne Engineering Ltd: Delivering Safe Hot Water


  • High performance TMV2 Scheme approved thermostatic mixing valve, which delivers accurate and reliable temperature control under varying supply temperatures and pressures
  • Factory set to 46°C (gives maximum mixed water temperature of 48°C)
  • Suitable for installation in any orientation
  • Rapidly cuts hot water flow in event of cold water supply failure to prevent scalding
  • Isolating valves (part of IK15-21B) enable easy installation and maintenance

Standards and Approvals

  • The Heatstat T2 DN15 TMV is approved under the Buildcert TMV2 Scheme to BS EN 1111 and 1287, Thermostatic mixing valves for domestic premises
  • 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

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