Worcester Greenstar 2000 25KW Combi Boiler

Worcester Greenstar 2000 25kW Combi Boiler

The Worcester Greenstar 2000 25kW Combi Boiler is a compact, efficient and affordable heating solution, ideal for small to medium homes with a single bathroom. Designed with everyday reliability in mind, it offers excellent performance while keeping running costs low. This model is compatible with Worcester’s wireless RF controls as well as most third-party 230V controls, giving you plenty of flexibility when it comes to managing your heating. With the ability to modulate down to just 3kW, it’s perfect for homeowners looking to significantly reduce gas consumption without compromising on comfort. Quiet Mark accredited at just 47dB(A), the Greenstar 2000 25kW runs quietly in the background, making it a great choice for homes where the boiler is installed in a kitchen or hallway. It also carries the Which? Best Buy Award, reflecting its strong reliability and customer satisfaction. Installation is straightforward thanks to in-line hydraulic and gas connections, a pre-wired mains cable and versatile pipe routing options. Optional rear piping accessories are also available to give installers even greater flexibility in tight spaces.

Key Features

A-rated efficiency (94% ErP) for central heating Ideal for small–medium homes with one bathroom Ultra-quiet operation at 47dB(A) Wide 1:10 modulation range, reducing gas consumption Compatible with Worcester RF controls and 230V third-party controls Easy installation with pre-wired components and flexible pipe routing Compact size for convenient cupboard installation

Technical Specifications

Manufacturer: Worcester Bosch Model: 2000 MPN: 7736902326 SKU: 87354 GTIN: 4062321615697 Performance: Boiler CH Output: 24kW / 81,000 BTU Max DHW Output: 25kW DHW Flow Rate: 10.0 L/min @ 35°C Heating ErP Rating: A Hot Water ErP Rating: A Dimensions: Height: 724mm Width: 400mm Depth: 300mm Weight: 36kg Warranty: 7 Years (subject to manufacturer T&Cs)

FAQs

Is the Worcester 2000 25kW suitable for my home?

Yes — it’s best suited for small to medium properties with **one bathroom** and a moderate hot water demand.

How quiet is the boiler when running?

It's **Quiet Mark accredited**, operating at just **47dB(A)** — similar to a quiet conversation — making it ideal for installation in living spaces.

Can I use this boiler with a smart thermostat?

Yes. It works with Worcester RF controls and most **third-party 230V controls**, including popular smart thermostats depending on the setup.

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