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.

BIM - ILTDU (592KB, zip)

Revit model file for Horne In-line Thermal Disinfection Unit, ILTDU (1 variant)

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ILTDU Dimensions (58KB, pdf)

Overall dimensions, pipe centres (15mm compression fitting) and fixing point measurements for Horne In-Line Thermal Disinfection Unit, ILTDU. Pdf Format.

ILTDU Dimensions - DWG (424KB, dwg)

Overall dimensions, pipe centres (15mm compression fitting) and fixing point measurements for Horne In-Line Thermal Disinfection Unit, ILTDU. DWG Format.

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ILTDU Capacity Chart (18KB, pdf)

ILTDU Instructions (320KB, pdf)

L-220: Installation and operating instructions for the patented Horne ILTDU, In-line Thermal Disinfection Unit. A UK Water Regulation 4 Approved valve for managing the risk of retrograde contamination by pathogens of domestic water systems. Revised May 2025.

Call our Technical Helpline: 01505 321455

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