Viessmann Vitocal high temperature air-to-water hydronic heat pump system kits include outdoor unit, hydrobox and accessories. These heat pumps are designed for hydronic heating and cooling, as well as domestic hot water with a single outdoor unit. Consider this option if you have limited space for equipment. Choose 1-phase or 3-phase models. The system kits listed feature all accessories including the buffer tank, which is integrated with the heat pump in the outdoor unit. Additional system accessories will be required for hydronic circuit/s beyond the buffer tank/outdoor unit, which will be project specific, contact us for advice. Vitocal 150-A systems can be used for all hydronic heating and cooling applications including fan-assisted convectors and underfloor circuits, or heating with radiator panels, towel rails, and swimming pool heat exchangers. The prices listed include GST ex Melbourne warehouse. Contact us for supply and installation, pickup or delivery arrangements that may require added freight cost.