Energyline EECO 4 heat pump in good working condition. Ideal for heating a koi pond, swimming pool, plunge pool or hot tub (check suitability for your application). Specifications: * 230V single phase * Heating capacity: 3.82kW * Power input: 0.75kW (max 1.06kW) * Quiet operation (48dB) * Digital controller * Complete with external temperature controller (STC-1000) currently fitted. The unit has been removed in full working order. It’s generally a little grubby from normal use and has a small crack in the bottom of the front plastic cover (see photos), but this is purely cosmetic and does not affect operation. Please study the photos as they form part of the description. Collection only from Bridgham, Norfolk NR16 2QJ. Happy to answer any questions or provide additional photos if required.