Product code: H001440

Worcester Bosch Greenstar Heatslave II 18/25 2022+ Oil Combi Boiler 7731600261

The UK's best-selling oil boiler — and it’s easy to see why ...

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  • GoodHome approved
  • Works seamlessly with Greenstar Comfort controls
  • Intelligent pull-out interface for ease of use
  • Concealed controls, ideal for homes with small children
  • Compact and floor standing boiler, suitable for homes with limited space
  • Features a cross-firing burner for efficient performance

This product will be available in conjunction
with our new Perth branch opening.

Must be Fitted by a Qualified Installer

Description

The UK's best-selling oil boiler — and it’s easy to see why. The Greenstar Heatslave II offers flexibility to fit neatly under a kitchen counter or be installed outside, freeing up indoor space. Ideal for small to medium-sized homes, it delivers instant hot water even in off-grid locations. Pair it with a Worcester Bosch high-efficiency Green Storage cylinders for a fully integrated Worcester Bosch system.

For compatibility and suitability advice, please contact Oceanair.

  • GoodHome approved
  • Works seamlessly with Greenstar Comfort controls
  • Intelligent pull-out interface for ease of use
  • Concealed controls, ideal for homes with small children
  • Compact and floor standing boiler, suitable for homes with limited space
  • Features a cross-firing burner for efficient performance
  • 2 water modes for energy efficiency and cost-saving
  • ErP A-rated for energy efficiency
  • For use with kerosene (Class C2) only
  • Designed for internal installation
  • Digital interface for precise heating and hot water management
  • Compatible with 80/125mm room-sealed flue systems, available up to 8m in length
  • Plume management options up to 5m with both conventional and flexible flue kits
  • Convenient front access for servicing, including a pivoting expansion vessel for easier maintenance
  • Simple access to oil and hydraulic connections for a hassle-free setup

*See Technical Attachments for more precise parameters and conditions.

Specification

Boiler Depth 600mm
Boiler Height 855mm
Boiler Type Combi Boiler
Boiler Width 520mm
Brand Worcester Bosch
BTU Rating 85000
Colour White
Compatible with Compatible with Worcester Bosch Greenstar Controls. Contact Oceanair for more details.
Compatible with Solar Panels Compatible with Solar Panels
Energy Rating (Heating) A
Energy Rating (Water) B
ERP Rating A
Filling Loop Supplied Filling Loop Not Supplied
Fitting Requirements Must be Fitted by a Qualified Installer
Flow Rate (Ltr/Min) 18 Ltr/min @ 40°C rise
Flow Temperature Range (Heating) Up to 82°C
Flue Connection Diameter 80/125mm
Flue Supplied Flue Not Supplied
Frost Protection Frost Protection
Fuel Type Oil
Manufacturer Guarantee / Manufacturer Warranty 7 Year Guarantee (T's & C's Apply)
Manufacturer's Model No 7731600261
Max. Heat Output DHW (Pn) 25 kW
Range Description Worcester Bosch Greenstar Heatslave II
SAP Seasonal Efficiency 90.20%
SEDUK SAP 2009 Rating 88.90%
Sound Power Level 56 dB
Type Gas Combi Boiler

Visit your local branch or contact us for more information.

Worcester Bosch Greenstar Heatslave II 18/25 2022+ Oil Combi Boiler 7731600261

Worcester Bosch Greenstar Heatslave II 18/25 2022+ Oil Combi Boiler 7731600261

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