Product Approvals

Approval Certificates for Horne products are listed below. Please use the drop down to filter by product or approval type.

ILTDU Materials Certificate (Kiwa) (173KB, pdf)

Current ILTDU Approval Certificate to UK Water Regulation 4; materials compliance. Assessed and certified by ISO 17025 Accredited test-house, Kiwa UK.

Approval - Type 3 TMV (D08) / UK Water Reg 4 (195KB, pdf)

Certificate of Approval (Non-metallic materials in contact with water: UK Water Reg 4, and Performance: HTM 04-01, D08 supplement Thermostatic mixing valves, 'Type 3' for healthcare applications). Assessed and certified by ISO 17025 Accredited test-house, Kiwa UK. Updated July 2024. Certificate for Optitherm Thermostatic Tap, Horne 15 TMV, Horne TSV1-3 and Horne TSV-TFC Thermostatic Shower Valves.

Duso Materials Approval (Kiwa) (170KB, pdf)

Current Duŝo Approval Certificate to UK Water Regulation 4; materials compliance. Assessed and certified by ISO 17025 Accredited test-house, Kiwa UK. Valid to 30/01/2029.

Horne 20 Performance Certificate (287KB, pdf)

Horne 20 (Type H2003), Certificate of Approval, Type 3 TMV. Compliant with Model Engineering Specification D08 / D 08 Thermostatic Mixing Valves (Healthcare Premises) standard

Horne 20 Materials Certificate (830KB, pdf)

Current Horne 20 (Type H2003) Approval Certificate to UK Water Regulation 4; materials compliance (WRAS)

Horne 25 Materials Certificate (Kiwa) (176KB, pdf)

Current Horne 25 (Type H2501) Approval Certificate to UK Water Regulation 4; materials compliance. Assessed and certified by ISO 17025 Accredited test-house, Kiwa UK.