The Greenstar Heatslave II series is the UK’s most popular external oil-fired combi boiler. With a range of models available, making it suitable for small, medium and large sized properties, the boiler features a robust IP45 weatherproof cabinet to protect from the weather and a one piece stainless steel primary baffle for rapid servicing and maintenance.
Best Boiler Efficiency Rating (SEDBUK band A)
Instantaneous supply of hot water available
Improved heating response time
Higher outputs suitable for larger, 2 bathroom properties