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worcester-greenstar-4000-24kw-system-boiler-horizontal-flue

Worcester Greenstar 4000 24kW System Boiler & Horizontal Flue

£1604.45 (Inc. VAT)

✓ 31 In Stock
worcester-greenstar-4000-24kw-system-boiler-horizontal-flue

Worcester Greenstar 4000 24kW System Boiler & Horizontal Flue

Product Code: PN183966

Product Options:

24

12

15

18

21

24

Horizontal Flue: A pipe that efficiently vents gases horizontally from a boiler to the outside.

Vertical Flue: A pipe that efficiently vents gases upward from a boiler through the roof.

Horizontal Flue

None

Horizontal Flue

Vertical Flue

Programmers: Digital devices used to control the timing and operation of heating systems, allowing you to set specific schedules for your boilers.

Thermostats: Devices that regulate the temperature of a heating system, allowing you to adjust and maintain your indoor temperature.

Timers: Allow you to schedule the on and off times of your heating systems, helping to manage energy use and maintain comfort.

None

None

Comfort RF I Programmer

Comfort RF II Programmer

Comfort+ RF Thermostat

Easy Control Thermostat - Black

Easy Control Thermostat - White

Sense II Thermostat


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✓ 31 In Stock

£1,604.45 (Inc. VAT)

Order in for delivery on Tuesday - 28/07/2026 from £4.99
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1 Product Question

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Nicholas shore asked

What size is the gas feed and what size is the external boiler please?

The gas supply pipe for this boiler will need to be 22mm. The external measurements for the boiler are 724mm high x 400mm wide x 310mm deep.

PlumbNation

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Specifications

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Technical

Worcester Greenstar 4000 24kW System Boiler & Horizontal Flue – Technical Specifications
Boiler/Product Type Boiler Pack
Sub Type Gas System
Heat Output 24 kW
Fuel Type Natural Gas
Flue Type Horizontal Flue
Controller Type None
Product Code 183966
Boiler/Product Type Boiler Pack
Output 24 kW

Description

When installing a system boiler, you want to make sure you have the right flue for the job. This system boiler pack includes a Worcester Bosch Greenstar 4000 24kW system boiler and a suitable horizontal flue.

The Worcester Bosch Greenstar 4000 suits a small to medium-sized, one-bathroom home with a hot water storage cylinder. It's Worcester Bosch's quietest system boiler, ensuring minimal disruption to your household even when you need to shower at unsociable hours. It's also easy to operate with a modern design and a simple colour display. The boiler can also be used in conjunction with Greenskies solar panels, giving you access to cleaner energy and helping to save you money.

Key Features:

  • Includes Worcester Bosch Greenstar 4000 24kw system boiler and horizontal flue
  • Suitable for small to medium homes with a single bathroom and a hot water storage cylinder
  • Easy-to-use colour display
  • Worcester Bosch's quietest system boiler
  • Wireless connectivity with Bosch EasyControl
  • Save money and energy by using this boiler with Greenskies solar panels


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