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Greenstar 29CDi Classic

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Greenstar CDi Classic gas combi boilers are our top of the range boilers and have the ability to condense in both heating and hot water modes.

The new and improved range now achieves a higher domestic hot water output, with the 27kW, 30kW and 37kW variants now offering 29kW, 34kW and 38kW respectively.

In addition, with customers continually looking at ways to reduce their energy consumption, we have now reduced the standby electrical output by more than 60% down to just 3.5W. This enables your customers to benefit from a more energy efficient source of heating and hot water, whilst reducing energy bills.

Worcester has also introduced a new magnetic catch for easier opening and closing. This intuitive design ensures greater security, which is particularly important when your customer wishes to alter their hot water and central heating requirements.


10 year guarantee on primary heat exchanger.

Central heating output: 30kW
Domestic hot water flow rate: 12.3 litres per minute at 35 degree temperature rise (provided adequate mains pressure is available)
Designed operational flow rate 11 litres per minutes at 40 degree temperature rise.


The Greenstar 29CDi Classic is 90.1% efficient and is in the highest possible efficiency category, SAP 2005 seasonal efficiency rating.