The Greenstar Heatslave II 25/32 Combi Boiler is a high-output, oil-fired heating solution designed for larger homes with higher hot water demand. It provides both central heating and instantaneous hot water from a single, efficient floor-standing unit.
With a powerful 32kW output, it’s well suited to properties with multiple bathrooms, delivering strong flow rates and consistent performance. Its compact design also allows for flexible installation, including outdoor weatherproof options.
Key Features:
25–32kW output range (up to 32kW heating output)
Oil-fired condensing combi system
High hot water flow rate (around 22 l/min)
Suitable for medium to large homes
Floor-standing, space-efficient design
High efficiency (around 90%+ / ErP A-rated)
Can be installed internally or externally (model dependent)
