Worcester Bosch Greenstar 42CDi Classic Combination Boiler Natural Gas ErP

Worcester Bosch Greenstar 42CDi Classic Combination Boiler Natural Gas ErP

£1,699.00 excl. VAT

Bosch Bosch Boilers

42kW ErP – Condensing Combination Boiler

The Greenstar CDi Classic gas combi boiler is a top of the range boiler from Worcester, and has the ability to condense in both heating and hot water modes.

With high domestic hot water outputs of 29kW, 34kW, 38kW and 42kW, and following on from your feedback, the CDi Classic now includes a larger condensate siphon to reduce the risk of frozen condensate and a paper wall mounting template to aid installation.

More new features include an in-built Keyless Filling Link to make system re-pressurisation easier. The pump has been upgraded to a low energy model which meets the future ErP legislation requirements.

ErP Directive Compliant

  • A rated efficiency (SAP 2005 seasonal efficiency)
  • Combined drain and condensate within the boiler
  • Low energy pump now as standard
  • Larger siphonic trap
  • Earth bonding strip fitted to hydraulic assembly as standard
  • Fully condensing in both central heating and domestic hot water modes
  • Keep hot facility – instantly available hot water
  • Extremely small standby electrical output of 3.5W
  • Wall mounting frame allows pipework to be hidden from view
  • In-built keyless filling link as standard
  • Low NOx and CO2 emissions
  • Up to 10 Year Guarantee*

 

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Description

Worcester Bosch Greenstar 42CDi Classic Combination Boiler Natural Gas ErP

If you have any technical queries about this product or wish to report any issues with the information on this page then please use the Contact Form to contact us.

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Technical Details

Greenstar 29CDi Classic Greenstar 34CDi Classic Greenstar 38CDi Classic Greenstar 42CDi Classic
Part number 7 738 100 248 7 738 100 250 7 738 100 252 7 738 100 246
ErP Efficiency Rating
A
A
A
A
A
A
A
A
ErP Data Sheet ErP Data Sheet ErP Data Sheet ErP Data Sheet ErP Data Sheet
Solar Compatible   No  No  No  No
Wave Compatible  Yes  Yes  Yes  Yes
Control Options  Yes  Yes  Yes  Yes
Dimensions (mm) height x width x depth 760 x 440 x 360 760 x 440 x 360 760 x 440 x 360 760 x 440 x 360
Clearances (mm) above, sides, below and front 30, 5, 200, 600 30, 5, 200, 600 30, 5, 200, 600 30, 5, 200, 600
Maximum horizontal flue (mm) 7900 (29CDi) 7000 (34CDi) 6000 (38 + 42CDi) 7900 (29CDi) 7000 (34CDi) 6000 (38 + 42CDi) 7900 (29CDi) 7000 (34CDi) 6000 (38 + 42CDi) 7900 (29CDi) 7000 (34CDi) 6000 (38 + 42CDi)
Maximum vertical flue (mm) 9400 (29CDi) 8000 (34CDi) 7500 (38 + 42CDi) 9400 (29CDi) 8000 (34CDi) 7500 (38 + 42CDi) 9400 (29CDi) 8000 (34CDi) 7500 (38 + 42CDi) 9400 (29CDi) 8000 (34CDi) 7500 (38 + 42CDi)
Ingress protection rating X4D X4D X4D X4D
Wall mounting jig supplied  Yes  Yes  Yes  Yes
Central heating output (kW) 30 30 30 30
Max DHW output (kW) 30.9 35 40 42
Hot water flow rate 35°c ∆T (litres per minute) 12.3l/min 14.3l/min 16.4l/min 17.2l/min
Hot water flow rate 40°c ∆T (litres per minute) 11l/min 12l/min 14l/min 15l/min
Minimum inlet pressure (bar) 1.4 1.5 1.7 1.9
NOx emissions (mg/kWh) 33.3 33.3 21.8 21.8
Lift weight (kg) 47.5 47.5 47.5 47.5

*The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metres in length

*extended guarantee apply only if the boiler is installed by a Worcester Bosch Accredited Installer

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worcester bosch logo 1

Worcester, Bosch Group (commonly referred to as Worcester or Worcester-Bosch) is a United Kingdom based domestic heating and hot water products manufacturer. The company was founded in 1962 by Cecil Duckworth as Worcester Engineering Co Ltd in Worcester, England. After changing its name to Worcester Heat Systems Ltd, in 1992 the company was acquired by Robert Bosch GmbH, adopting the new name of Worcester, Bosch Group.

The headquarters is based in Warndon. The company employs more than 2,000 people across the headquarters and manufacturing plants in Worcester and Clay Cross, Derbyshire, including a network of over 300 service engineers and over 80 technically trained field sales managers. Join our ZERO Home Bills CommunityBEST Products from the BEST Brands at the BEST Prices on ZEROhomebills.com by Solaranna. 

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Additional information

Weight 34 kg
Dimensions 75 × 44 × 36 cm
Product Category

Boilers, Gas Boilers, HEATING AND COOLING, Combi Boilers

Brand

Bosch, Worcester Bosch

Rated Power (W/kW)

42 kW

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Greenstar Gas Combi Boilers Technical and Specification Information

Greenstar CDi Classic Combi ErP Installation and Servicing Instructions (01.05.2015 onwards)

Greenstar 29-42 CDi Classic Combi Installation and Servicing Instructions (01.09.2014 to 01.05.2015)

Greenstar 29-42 CDi Classic Combi Installation and Servicing Instructions (01.08.2012 to 01.09.2014)