Product Approvals

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

Thumbnail D08 / Type 3 & UKWaterReg4 Certificate TSV1-3 and Horne 15: H1503

Approval - Type 3 TMV (D08) / UK Water Reg 4 (185KB, 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.

KIWA UK Water Regulation 4 Approval Certificate Thumbnail for Duso

Duso Materials Approval (Kiwa) (100KB, pdf)

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

Horne 20 Materials Certificate (788KB, pdf)

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

Horne 20 Performance Certificate (271KB, 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

KIWA UK Water Regulation 4 Approval Certificate Thumbnail for H2501

Horne 25 Materials Certificate (Kiwa) (167KB, 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.

KIWA UK Water Regulation 4 Approval Certificate Thumbnail for ILTDU

ILTDU Materials Certificate (Kiwa) (213KB, pdf)

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

KIWA UK Water Regulation 4 Approval Certificate Thumbnail for Optitherm

Optitherm Materials Certificate (Kiwa) (98KB, pdf)

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

Thumbnail D08 / TMV3 Certificate Optitherm

Optitherm Performance Certificate (268KB, pdf)

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