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Our Range Of Boiler Brands With Installation Included

At Green Central, we don’t just install gas boilers – we deliver comfort, efficiency, and peace of mind with every job. From industry-leading brands like Worcester Bosch, Vaillant, and Viessmann, to trusted names like Ideal, Baxi, and Glow-worm, we’ve got the perfect solution tailored to your home. Our expert engineers ensure a seamless installation process so you can enjoy a cosy, energy-efficient home in no time. In the UK, several boiler brands are renowned for their reliability, efficiency, and customer satisfaction. Here’s an overview of the main boiler manufacturers:

Worcester Bosch

  • Overview: Established in 1962, Worcester Bosch is a reputable British brand known for producing high-quality, energy-efficient boilers.
  • Product Range: Offers a wide array of combi, system, and regular boilers.
  • Notable Models: Greenstar 4000, Greenstar 8000 Life.
  • Warranty: Typically ranges from 5 to 10 years, with options for extension.

Viessmann

  • Overview: Viessmann is a German manufacturer recognised for its innovative technology and high-efficiency boilers.
  • Product Range: Provides combi, system, and heat-only boilers.
  • Notable Models: Vitodens 050-W, Vitodens 100-W.
  • Warranty: Standard 5-year parts and labour warranty, extendable up to 12 years.

Vaillant

  • Overview: With a history dating back to 1874, Vaillant boilers is a leading European brand known for its state-of-the-art technology across various boiler types.
  • Product Range: Offers combi, system, and regular boilers.
  • Notable Models: ecoTEC Plus, ecoFIT Pure.
  • Warranty: Typically 5 to 10 years, depending on the model and installation.

Ideal Heating

  • Overview: Founded in 1906, Ideal Heating is a British manufacturer known for its affordable and reliable boilers.
  • Product Range: Includes combi, system, and heat-only boilers.
  • Notable Models: Logic Plus, Vogue Max.
  • Warranty: Ranges from 2 to 12 years, depending on the model and customer options.

Baxi

  • Overview: Established in 1866, Baxi is a UK-based company known for producing efficient and reliable boilers.
  • Product Range: Offers combi, system, and heat-only boilers.
  • Notable Models: Baxi 800, Baxi 600.
  • Warranty: Standard warranties range from 5 to 10 years.

Alpha

  • Overview: An Italian brand, Alpha boilers combines affordability with quality, making it a popular choice for budget-conscious homeowners.
  • Product Range: Provides combi, system, and regular boilers.
  • Notable Models: E-Tec, InTec.
  • Warranty: Standard warranties range from 5 to 7 years, with options up to 10 years for top-of-the-range models.

Vokèra

  • Overview: Part of the Riello Group, Vokèra is known for manufacturing reliable and cost-effective boilers.
  • Product Range: Offers combi, system, and open vent boilers.
  • Notable Models: Evolve, Vision.
  • Warranty: Typically offers warranties ranging from 2 to 7 years, depending on the model.

Glow-worm

  • Overview: With over 80 years in the industry, Glow-worm is known for producing reliable and efficient boilers.
  • Product Range: Includes combi, system, and regular boilers.
  • Notable Models: Ultimate, Energy.
  • Warranty: Standard warranties range from 2 to 7 years, depending on the model.

Ariston

  • Overview: Ariston is a global brand that has gained a strong foothold in the UK boiler market, known for innovative and energy-efficient products.
  • Product Range: Offers combi, system, and regular boilers.
  • Notable Models: Clas, Genus.
  • Warranty: Typically offers warranties ranging from 2 to 8 years, depending on the model.

Navien Boilers

  • Overview: Founded in 1978 in South Korea, Navien entered the UK market in 2014 and is known for its innovative, energy-efficient heating solutions, particularly condensing boilers.
  • Product Range: Offers combi, system, and regular boilers, plus water heaters, suitable for various home sizes and commercial use.
  • Notable Models: NCB-H series, NCB500 ON.
  • Warranty: Typically ranges from 7 to 12 years, depending on the model and servicing conditions.

Main Heating Boilers

  • Overview: Main Heating, a UK brand with over 75 years of history, is part of Baxi Heating (under BDR Thermea Group) and focuses on delivering straightforward, reliable, and budget-friendly boilers manufactured in the UK.
  • Product Range: Offers combi, system, and regular (heat-only) boilers, primarily gas-powered, designed for small to medium-sized homes.
  • Notable Models: Main Eco Compact Combi, Main Eco Compact System.
  • Warranty: Typically ranges from 3 to 5 years, with some models offering up to 7 years when registered with an accredited installer and properly maintained.

Potterton

  • Overview: Part of the Baxi Group, Potterton has a long-standing reputation for producing reliable and efficient boilers.
  • Product Range: Provides combi, system, and heat-only boilers.
  • Notable Models: Titanium, Promax.
  • Warranty: Standard warranties range from 2 to 7 years, depending on the model.
When selecting a boiler, consider factors such as efficiency, warranty, customer support, and suitability for your home’s heating and hot water needs. Consulting with a qualified heating engineer can also provide personalised recommendations.
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New Worcester 4000 25kW combi boiler fully installed nationwide

Experience total flexibility and peace of mind with the Worcester Bosch 4000 25kW boiler, designed to make installation a breeze!

Thanks to the extended flue lengths of up to 12 metres, you'll have the freedom to site it just about anywhere. The integrated 500ml condensate siphon helps protect against freezing, so you won't need to worry during those colder months. Plus, it carries all the reliable features of the award-winning Greenstar i series.

The pre-piping jig with rear piping makes replacing older Worcester i Junior or Si models simpler than ever, perfect for a fast, hassle-free upgrade. You'll be up and running with minimal disruption, so you can get back to enjoying a warm, cosy home in no time!

Top Features

The Worcester Bosch Greenstar 4000 25kW Gas Combi Boiler is designed for small to medium-sized homes with one bathroom, offering efficient heating and hot water solutions. Below are its key specifications:

  • Central Heating Output: 24 kW
  • Domestic Hot Water Output: 25 kW
  • Hot Water Flow Rate (at 35°C temperature rise): 10.2 litres per minute
  • Dimensions: Height 724 mm x Width 400 mm x Depth 310 mm
  • Weight: 32 kg
  • Energy Efficiency Rating: A (94% efficiency)
  • Noise Level: 45 dB
  • Control Interface: Full-colour text display
  • Modulation Range: 1:10 (down to 3 kW)
  • Flue Lengths: Up to 12 m with 60/100 mm flues
  • Guarantee: 7 years standard, extendable up to 10 years when installed by a Worcester Accredited Installer with a Greenstar System Filter

This boiler features a modern design with quiet operation, making it suitable for various home settings. Its wide modulation range enhances efficiency, and the intuitive display ensures ease of use. The Greenstar 4000 is also compatible with smart controls, offering flexibility in managing your home's heating system.

 

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