Greenstar CDi Highflow overview

Our Greenstar CDi Highflow is a well-established floor standing combi boiler that is renowned for industry-leading hot water flow rates.

Perfect for larger homes with two bathrooms.

Download our easy guide, which covers everything you need to know about the Greenstar CDi Highflow

Our entire gas boiler range is able to run on a 20% hydrogen blend - so you can be confident it will run on gas for it’s lifetime. Learn more

  • Fits underneath a standard kitchen worktop
  • Larger homes can be supplied by higher output options
  • Wide choice of controls enables greater comfort economy
  • Frost protection is included, reducing frost risk if installed in a garage or a cellar
  • Simple boiler control knobs with temperature display
  • Instantaneous hot water, always available
  • Provide high hot water flow rate over 90 litre draw-off

Greenstar CDi Highflow Greenstar CDi Highflow
Greenstar CDi Highflow Greenstar CDi Highflow
Download ErP Data Sheet

This efficiency rating icon is for a product within a range of products. View all products in this range

Technical Details

Greenstar Highflow 440CDi Greenstar Highflow 550CDi
ErP Efficiency Rating
B

A

B

A

ErP Data Sheet ErP Data Sheet ErP Data Sheet
LPG model available
Control Options
EasyControl Compatible
Solar Compatible
Central heating output (kW) 29.2 30.6
Dimensions (mm) height x width x depth 850 x 600 x 600 850 x 600 x 600
Hot water flow rate 40°c ∆T (litres per minute) 0 0

Related documents

  • Greenstar CDi Highflow Combi Operating Instructions Manufactured after 13.07.16

Find a local installer

Each heating system needs custom designing. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote.

Find the right boiler for you

Our Find a New Boiler tool is the easiest way to find and compare Worcester products which are suitable for your home and heating requirements and only takes a few minutes.

Find the right boiler for you