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. More
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