Greenstar 24i and 28i Junior series
Central heating outputs: Both models – 24kW
Hot water flow rates: 9.8 & 11.4 litres per minute* @ 35ºC temperature rise
• Our entry level wall-mounted combi boiler range for apartments and 1 bathroom properties
• Compact in size, i Junior combis can be installed in a number of locations and can be used with a choice of mechanical, digital and wireless programmers.

Greenstar 25Si and 30Si series
Central heating outputs: Both models – 24kW
Hot water flow rates: 10.2 & 12.3 litres per minute* @ 35ºC temperature rise
• Si combis are also suitable for apartments and small to medium sized 1 bathroom properties, and offer slightly higher hot water flow rates than the i Junior series
• Si combis allow the hot water temperature to be controlled and can be used with a wider range of optional controls
• Si combis can also be installed in a variety of locations, including kitchens, utility rooms, bathrooms, airing cupboards, lofts or garages.

Greenstar 27CDi, 30CDi, 37CDi & 42CDi series
Central heating outputs: 26kW (27CDi), 30kW (30, 37 and 42CDi)
Hot water flow rates: from 11.1 to 17.2 litres per minute* @ 35ºC temperature rise
• Our ‘top of the range’ award-winning wall-mounted combi range, CDi appliances offer
a wide choice of operating features for greater user comfort and economy with their
higher central heating outputs and increased hot water flow rates
• The higher output CDi combis can be suitable for larger two bathroom properties
• CDi appliances are unique in that they condense in both heating and hot water modes
for even greater efficiency and fuel savings. They also feature a modulating pump which
reduces electricity used by the pump by up to 30%
• An extensive choice of controls is available for use with CDi combis, including
sophisticated intelligent controls which provide the ultimate in user convenience,
performance and economy.