Designed for use with either air source or ground source heat pumps High efficiency corrugated coil maximises heat transfer to the cylinder of water 3kW incoloy immersion heater for emergency back-up 90 degree elbow and drain valve supplied as standard Manufacturer Stock Code: PLUHP180 EAN Code: 5056188300932 Height: 1306 mm Diameter: 550 mm Weight: 34 kg Sub-Category: Indirect Brand: Gledhill Capacity: 178 L Range: SL Plus HP Category: Cylinders Type: ASHP