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Using the natural refrigerant R290 — which carries a Global Warming Potential (GWP) of just 3 — this monobloc unit delivers outstanding seasonal performance and is fully eligible for the UK Government's Boiler Upgrade Scheme (BUS) grant
Open Loop Direct systems with 3-Port Diverter and Mixing Valve
Anti-freeze protection heater on plate heat exchanger and base tray
indicating excellent energy efficiency
6 dB(A) Dimensions (H × W × D) 854mm × 1223mm × 461mm Weight 131kg Warranty 7 Years (G1 Installer) / 5 Years (standard) Boiler Upgrade Scheme (BUS)
28mm Compression Anti Freeze Valve flexi hose Using the natural refrigerant R290Tesla 28 mm Anti Freeze Valve The Tesla 28 mm Anti Freeze Valve is a self acting frost protection device designed to protect external pipework and air source heat pump systems from freezing conditions. It operates automatically, discharging system water when temperatures approach freezing, helping to prevent pipe bursts, system damage, and costly call outs. Engineered specifically for heat pump primary circuits, the valve requires no electrical supply
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