Worcester Bosch Greenstar 9i System Boiler

Thanks to its efficiency rating of 93% and an ErP A-rating for central heating, this system boiler is not only highly reliable but could potentially help you to reduce your energy bills.

With an output level of 9kW for central heating, this is the least powerful system boiler in its range. If your home requires a higher demand, the Worcester Bosch Greenstar i system range has other outputs of 12kW, 15kW, 18kW, 21kW, 24kW, 27kW and 30kW available.

Although the Worcester Bosch Greenstar i system boilers have been designed to be compact and lightweight, for easy installation inside your standard kitchen cupboard, it is important to remember that you will need room in your home for an additional hot water storage cylinder. This is because, with system boilers, the water is heated in the boiler and then stored in a hot water cylinder until needed. System boilers are ideal for homes with a high demand for instant hot water.