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1. | A O Smith Electric Heater AHDS 290 ManualAH AHD AHDS Air to water heat pump AH - 290 / AHD 290 / AHDS 290 Air to water heatpump Storage capacity 285 liter Very high COP of 3,2 / 3,5 Suitable for air temperatures between 0C-35 C (depending on the model) Plug and play installation Easy and user friendly control Water temperature with the heat pump up to 55C Additional electric element of 1,5 kW standard Water temperature with additional electric element up to 65 C Very silent operation AH 290 basic version ... Brands:A | User Manual | ENGLISH | [View] | ||||||||||