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 40 Instructions (429KB, pdf)

L-103: Installation, commissioning, operating and maintenance instructions for Horne 40 thermostatic mixing valve, H40 DN40 TMV

Horne 50 Instructions (429KB, pdf)

L-103: Installation, commissioning, operating and maintenance instructions for Horne 50 thermostatic mixing valve, H50 DN50 TMV

Horne 40 Spare Parts (890KB, pdf)

Complete spares list - kits, components and parts drawing H40-C for Horne 40, DN40 Thermostatic Mixing Valve, H40 TMV. Updated January 2026.

Horne 50 Spare Parts (978KB, pdf)

Complete spares list - kits, components and parts drawing H50-C for Horne 50, DN50 Thermostatic Mixing Valve, H50 TMV. Updated January 2026.

CPD Props 1000x755 (108KB, jpg)

Call our Technical Helpline: 01505 321455

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