Worcester Bosch Greenstar 21 Ri Liquified Petroleum Gas Boiler range is available in 4 models with outputs up to 24 kW, making the range suitable for an even wider range of households with stored hot water systems. The boilers are compact enough to be installed in a standard kitchen cabinet and are a one-man lift, weighing just 22.6 kg, the lightest in their class. Greenstar Ri boilers can be used with compatible Worcester unvented cylinders for the optimum system solution.

• Built-in heating temperature control
• Compatible with Greenskies solar panels
• Low Nitrogen oxides and Carbon Dioxide emissions environmentally friendly
• Multi-directional fluing for siting flexibility
• A rated efficiency (SAP 2005 seasonal efficiency)
• 7 Years guarantee extended to 8 years when installed with any Greenstar System Filter