The Vitocal 242-S is a compact Air to Water heat pump equipped with the new user-friendly Vitotronic 200 control unit, allowing for easy to control and efficient weather compensated heating and advanced hot water temperature control. It comes with an integrated 220l hot water cylinder with a built in solar coil, three way diverting valve and cylinder charge pump. The graphic interface enables quick and easy changes to your heating and hot water temperatures, clearly displaying heating curves as well as providing a detailed fault finding system. The vitotronic controller also has the ability to control and make best us of energy provided by a connected Viessman vitosol controller. It comes in outputs of 8, 10 & 13kW, although this is rated at 7oC ambient temperature so each unit can only be installed in a house with a 25% lower peak heating demand than the rated output above. The unit can be communicate with a Viessmann PV inverter making full use of any electricity generated. The units come with 12m as standard of flexible hose to connect the internal and external units. This can be extended up to 30m if required.