Worcester Greenstar 8000+ 45kW Combi Boiler

The Worcester Greenstar 8000+ 45kW Combi Boiler delivers maximum heating and hot water performance for large homes, featuring **94% efficiency** and **18 L/min flow rate** at 35°C rise. This flagship **A-rated condensing combi boiler** powers properties with high demand, offering smart connectivity and installer-friendly design for effortless operation and control.

Key Features

• Maximum Power: 45kW output handles largest homes with multiple bathrooms.
• High Flow Rate: 18 L/min supports simultaneous showers and taps.
• Smart Connectivity: Bosch EasyControl compatible for app-based remote management.
• Quiet Operation: Low noise levels ideal for kitchen or living room installation.
• Advanced Display: Full colour touchscreen with intelligent diagnostics.
• Installer Features: Pre-plumbing jig, rear piping, keyless filling link included.

Technical Specifications

Why Buy

The Greenstar 8000+ 45kW represents Worcester Bosch's ultimate combi boiler with unmatched power for large households, intelligent pressure management, and wireless smart control integration. Its exceptional flow rate ensures multiple bathrooms operate simultaneously while 94% efficiency minimises running costs. Extended warranty options provide long-term security for premium performance.

Suitable For

• Large homes with 3+ bedrooms and multiple bathrooms.
• High-demand properties requiring powerful instant hot water.
• Smart home enthusiasts wanting advanced boiler connectivity.

Order now for Worcester Bosch's most powerful combi boiler, engineered for maximum performance, efficiency and smart home integration.

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on most orders
• £4.95 for small items
• £69 for Solar Panels, Batteries and other specialized large items delivery

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Free Delivery
• £4.95 delivery for small items

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX