Worcester Bosch Greenstar 28Cdi 28Kw Combi Boiler

benefits of the worcester bosch greenstar cdi compact 28kw combi boiler

• high-efficiency heating & hot water
  condensing in both heating and hot water modes, this boiler maximises fuel savings and delivers excellent energy efficiency erp a-rated for both heating and hot water.

• compact, cupboard-fit design
  at just 280mm deep, this boiler is small enough to fit in a standard kitchen cupboard ideal for homes with limited space or minimalist layouts.

• smart pre-heat & eco modes
  choose between instant hot water with pre-heat or energy-saving eco mode—customised for your daily routine and comfort.

• user-friendly lcd display
  features an easy-to-use lcd screen for checking operating status, adjusting settings, and accessing diagnostics great for quick commissioning and everyday control.

• adjustable max temperature setting
  set a maximum heating limit to prevent overheating ideal for homes with children or elderly residents, improving safety and comfort.

• built-in frost protection
  protects both the boiler and surrounding pipework from freezing ensuring reliable performance through cold weather.

• sturdy wall mounting system
  includes a robust metal wall mounting jig for secure and hassle-free installation, keeping the boiler safely fixed in place.

• quiet operation at 52 db(a)
  one of the quietest boilers in its class, making it perfect for use in open-plan spaces or homes where noise is a concern.

• strong hot water flow rate
  delivers up to 11.4 litres per minute at a 35°c rise ideal for homes with medium hot water demands.

• solar compatible for greener homes
  can be integrated with solar thermal systems, helping you lower your carbon footprint and energy bills further.

• 7-year guarantee (extendable to 8 years)
  comes with a 7-year manufacturer warranty, which extends to 8 years when installed with any greenstar system filter, providing long-term peace of mind.
  
  

  worcester bosch greenstar cdi compact 28kw combi boiler – technical specification

  this high-efficiency gas combi boiler is ideal for medium-sized homes, offering powerful hot water performance, compact dimensions for space-saving installation, and built-in features for energy efficiency and safety.

  product type: gas combi boiler
  brand: worcester bosch
  model number: 7733600054
  range: greenstar cdi
  fuel type: natural gas
  heat output: 28 kw
  dhw output range: 7.03 kw to 28 kw
  dhw flow rate at 35°c rise: 11.4 litres per minute
  ch condensing max output: 28 kw
  erp rating: a-rated energy efficiency
  nox class: class 2 (low emissions)
  solar compatible: yes
  noise level: 52 dba (quiet operation)
  guarantee: 7 years manufacturer warranty

  dimensions
  height: 978mm
  width: 395mm
  depth: 280mm
  

  what’s in the box

  when you purchase the worcester bosch greenstar cdi compact 28kw combi boiler, you’ll receive:

  • 1 × greenstar cdi compact 28kw combi boiler unit

  • 1 × wall mounting jig (for easy and secure installation)

  • built-in frost protection system

  • integrated pump and expansion vessel

  • built-in condensate trap

  • built-in diverter valve

  • comprehensive installation and user manual

  • guarantee registration documentation

  please note: flue kit, system filter, and accessories such as controls or programmer are sold separately unless specified in a pack.