Greenstar CDi Highflow Professional

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.

Features & Benefits

Powerful – Plenty in the tank for 2-bath homes	Convenient - Fits under the kitchen counter	Rapid comfort - Powerful home heating for speedy warmth
SimpleSwitch - From a previous Highflow for simpler installation	Resilient - Frost protection included	Scan and register the boiler using our free Worcester Bosch Professional App

Technical details

Greenstar Highflow 440CDi LPG

ErP Efficiency Rating: B

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

Greenstar Highflow 440CDi

ErP Efficiency Rating: B

A
ErP Data Sheet: ErP Data Sheet
Fuel Type: Gas (NG)
Control Options
EasyControl Compatible
Solar Compatible
Central heating output (kW): 29.2
Dimensions (mm) height x width x depth: 850 x 600 x 600
Hot water flow rate 40°c ∆T (litres per minute): 20 @ 40°c ∆T

Greenstar Highflow 550CDi LPG

ErP Efficiency Rating: B

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

Greenstar Highflow 550CDi

ErP Efficiency Rating: B

A
ErP Data Sheet: ErP Data Sheet
Fuel Type: Gas (NG)
Control Options
EasyControl Compatible
Solar Compatible
Central heating output (kW): 30.6
Dimensions (mm) height x width x depth: 850 x 600 x 600
Hot water flow rate 40°c ∆T (litres per minute): 25 @ 40°c ∆T

Flow rate shown is only until the heat store is depleted. Once the heat store is depleted, it is advisable to reduce the flow rate to maintain the DHW temperature at the outlet.

Related Accessories

Boiler Accessories	Part number
Greenstar Comfort wall mounting plate	7 733 600 039
EasyControl Adapter	7 736 701 560				Installation Manual

Flashing Kits	Part number
Flat roof flashing kit (100mm & 125mm dia.)	7 716 191 090
Pitched roof flashing kit (100mm & 125mm dia)	7 716 191 091

Flue	Part number
1000mm extension kit (100mm dia.)	7 716 191 083
90º bend (100mm dia.)	7 716 191 084
Support bracket kit (100mm dia)	7 716 191 092
Short flue extension, 220mm (100mm dia)	7 716 191 133
60/100mm (x2) 45º bends	7 716 191 085
Horizontal flue kit (125mm dia.)	7 716 191 1572
Vertical BF kit (100mm dia.)	7 716 191 1562
Vertical BF kit (125mm dia.)	7 716 191 1582
RS telescopic flue kit (100mm dia.)	7 716 191 1552
Flue Connector Vertical 60-100	7 716 191 164
Flue Connector Vertical 80-125	7 716 191 165
1000mm extension (125mm dia.)	7 719 003 666
45 degree bend (80/125mm dia.)	7 719 003 665
90º bend (125mm dia.)	7 719 003 664

Plume	Part number
Gas 45º bend (x2)	7 716 191 089
Gas Plume 90 deg elbow	7 716 191 088
Gas Plume management kit	7 716 191 086

Want to learn more?

Introducing the Greenstar Comfort Controls
Introducing the new EasyControl
ErP Easy as ABC

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