Public Sector Decarbonisation Scheme 4 – Single Stage Air Source 80C. High-Temperature-Capable Monobloc Air Source Heat Pumps. 80C flow at -5C exterior. 30 kW to 150 kW nominal capacity range. https://purethermal.co.uk/media-blog/decarbonisation-scheme-4-80c-air-source-heat-pumps/