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Product Information
The Greenstar i System series is part of a market-leading range of energy-saving condensing gas-fired boilers from Worcester. Greenstar 24i System boilers can cut hot water and heating bills by between 15-20% - and they?re up to 30% cheaper to run than an older boiler. Up to 97% of the gas consumed by a new Greenstar 24i condensing System Boiler is converted into heat for the heating of the system.
Greenstar condensing boilers deliver this energy-saving performance by recycling exhaust gases to extract and re-use latent heat - a highly efficient use of energy which also significantly reduces carbon dioxide in the atmosphere.
Pick up only NO DELIVERY - you must make arrangements to pick item up.
Key features:
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SEDBUK(Seasonal Efficiency of Domestic Boilers in the UK) A-rated - environmentally friendly
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24kW output (12kW output also available for this boiler)
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Compatible with Greenskies solar water heating
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Wall mounting frame with pipes behind - no exposed pipework
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Proven cast aluminium heat exchanger
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One man lift- 27kg
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Compact dimensions - space saving and siting flexibility
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Low NOx and CO2 emissions - environmentally friendly
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2 year** warranty with 10 year** warranty on primary heat exchanger
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LPG boiler available
Specification:
Title | Value |
---|---|
Height (mm) | 710mm (max) |
Width (mm) | 440mm |
Depth (mm) | 330mm (max) |
Weight | 27.1kg |
SEDBUK Value/band | 90.1% Band A |
Output to central heating | 7.2-24.0kW (24,560-82,00 Btu's/hr) |
Solar compatible | Yes |
Maximum horizontal flue (100mm Ø) | 4,600mm (inc terminal) |
Maximum vertical flue (100mm Ø) | 6,400mm (inc terminal) |
Maximum horizontal flue (125mm Ø) | 13,000 (inc terminal) |
Maximum vertical flue (125mm Ø) | 15,000 (inc terminal) |
Gas connection | 22mm compression |
Pressure relief valve | 15mm Ø |
Heating flow and return connections | 22mm compression |
Condensate connection | 22mm plastic pipe |
Primary water content | 2.75 litres |
NOx classification | Class 5 |
Wall mounting jig | Yes |
Plug-in timers | Yes (optional) |
Optimising room temperature controller | Yes (optional) |
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Competitively priced
Alex from oxfam
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Current Item

Worcester-System-Greenstar 24i System
Discontinued