Valve Sizing Tool

Technical Support

At Horne, we pride ourselves in designing and manufacturing the best thermostatic control products and providing unparalleled support in the form of the technical advice and resources to aid understanding of our designs, improve installations and extend the operational life of our products.

Horne 15 Instructions (925KB, pdf)

L-77 - Installation, Commissioning, Operating and Maintenance instructions for the Horne 15 thermostatic Mixing Valve. The Horne 15 (Type H1503) is a UK Water Reg 4 and Type 3 Approved Thermostatic Mixing Valve compliant to Model Engineering Specification D08 / D 08 Thermostatic Mixing Valves (Healthcare Premises). Revised May 2025.

Horne 15 Spare Parts (778KB, pdf)

Spare parts, tools and accessories list for the Horne 15 (Type H1503) DN15 thermostatic mixing valve. Revised May 2025.

Dimension Drawings (0B, )

Spec Clauses (0B, )

H15-11 (E Inlets) Dimensions (39KB, pdf)

Dimension drawing for Horne 15, H15-11 variants with current E generation inlets (B since December 2017, C since 2019).

Call our Technical Helpline: 01505 321455

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