The Greenstar 42CDi

90.1% A The Greenstar CDi boiler series is part of a market-leading range of energy-saving condensing gas-fired boilers from Worcester. They can cut heating and hot water bills by between 15-20% - and they’re up to 30% cheaper to run than an older boiler.

Greenstar condensing boilers deliver this energy-saving performance by recycling exhaust gases to extract and re-use latent heat - a highly efficient use of energy which also significantly reduces carbon dioxide in the atmosphere.

SEDBUK* A-rated efficiency - environmentally friendly
42kW domestic hot water output (27, 30 and 37kW outputs also available for this boiler - a product to suit all property types)
Hot water and central heating temperature controls - consumer comfort and flexibility
Mechanical, digital and radio frequency (RF) control options all available
Multi-directional fluing
Optimising 7-day programmable room thermostat available
24 hour programmable room thermostat available
Holiday function – frost protection and economic to run while you are away from home
Keep hot facility - instantly available hot water
Wall mounting frame housing pipes behind it - no exposed pipework
Fully condensing in both central heating (CH) and domestic hot water (DHW) modes
Low NOx and CO2 emissions - environmentally friendly
5 year** warranty with 10 year** warranty on primary heat exchanger