Our Greenstar Ri is a compact regular boiler with outputs up to 18kW, Suitable for small and medium-sized homes, this boiler can be installed in a standard kitchen cupboard. The appliance can be used with our range of high efficiency cylinders.Our entire gas boiler range is able to run on a 20% hydrogen blend - so your customer can be confident it will run on gas for it’s lifetime. When choosing the Greenstar RI you receive a Standard Guarantee of 7 Year, With the option for an additional year when fitted with any Greenstar System Filter.