Recoup Pipe+ HEX Be Recoup WWHRS | Pipe HEX Be | Installed as System A; System B; System C (delete as appropriate) | to (Add shower(s) install location) VERTICAL WASTE WATER HEAT RECOVERY FOR SHOWERS (WWHRS) Standard: WRAS Approved Manufacturer: Recoup WWHRS Product reference: Pipe HEX Be Installation method / Model Qualifier: System A; System B; System C (delete as per system(s) specified) Minimum Heat Recovery Efficiency (SAP 2012): System A < 63.6%; System B < 49.9%; System C < 54.0% (delete as appropriate) Heat Exchanger material: Copper (Double-walled, EN1717 compliant), 100% recyclable material at end of life Casing / Finish: PVC outer casing, 100% recyclable material at end of life Length: Between 1065mm and 2100mm Accessories: 1no Double Check Valve; 2no Isolator valves. Installation: According to manufactures instruction; to comply with Legionella Control Risk Assessment Guidance; and BS EN 1717:2000