• 300L Nominal Capacity: Provides a substantial hot water storage capacity for household use.
• Up to 75°C Hot Water: The heat pump can produce domestic hot water at temperatures up to 75°C.
• A+ Energy Efficiency: An A+ energy efficiency class and COP of 4.21 support efficient hot water production.
• Low-GWP R290 Refrigerant: Uses 152g of R290 refrigerant with a stated GWP of just 0.02.
• Solar PV Compatible: SG Ready functionality helps optimise self-consumption when integrated with a suitable solar PV system.
• MyStiebel App Control: Monitor and control the heat pump remotely, with convenient timer functionality available through the app.
• Cold Climate Operation: Active defrost supports efficient operation, with application limits ranging from -10°C to +43°C.
• Flexible Installation: Suitable for either indoor or outdoor installation when the specified installation and space requirements are followed.
• Quiet Operation: A sound pressure level of 47 dB(A) at two metres helps minimise operating noise around the home.
• Award-Winning Design: Recipient of German Design Award Gold, an iF Design Award and Red Dot Award: Product Design in 2025.

7-year parts cylinder and condenser.
5-year sealed refrigeration system, including compressor, evaporator, valves, and associated pipework.
2-Year on all other electrical componentry and electrical components, including sensors, valves and impressed anode.
1-Year T&P relief valve.