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Don’t worry our boiler experts will advise on the best boilers available for your property.

Boilers from Union Plumbing

What you get with all Boilers

  • Includes Installation
  • GasSafe Registration
  • Comprehensive Safety Check
  • Manufacturer and Building Control
  • Warranty / Registration
  • Magnetic Filter
  • Central Heating System Flush
  • Boiler Compliant Wireless Thermostat
  • Lagged Condensate Pipe Upgrade
  • Improved Energy Efficiency
  • Enhanced Convenience and Comfort
  • Smart Thermostat Installation
  • 5 Years
  • 1-3
  • 1
  • 9.9L@35C Rise
  • 19 kw
Glow-Worm Compact Boiler

Glow-Worm Compact Boiler

  • H 626mm
  • W 400mm
  • D 270mm
  • 5 Years
  • 1-3
  • 1
  • 9.9L@35C Rise
  • 19 kw

Glow-worm Compact combi boiler range from Glow-worm is available in a great range of outputs, boasting a modern design that features a bright easy to use interface #The Glow-Worm Compact combi boiler range offers a sleek and modern design that will make using it a breeze. Its bright and user-friendly interface makes it easy and efficient to operate, giving you peace of mind and saving you time and energy..

  • 5 Years
  • 1-3
  • 1
  • 10L/Min @ 35 Degrees
  • 24Kw
Worcester Bosch Greenstar 2000 Boiler

Worcester Bosch Greenstar 2000 Boiler

  • H 724mm
  • W 400mm
  • D 300mm
  • 5 Years
  • 1-3
  • 1
  • 10L/Min @ 35 Degrees
  • 24Kw

The Worcester Bosch Greenstar 2000 GR2300iW natural gas combi boiler is perfect for homes with one bathroom, such as apartments and small-medium houses. With an efficient A-rating, this 25 kW combi boiler is highly reliable and can be easily controlled with third-party external 230 V controls or a variety of Worcester mechanical and connected controls.

  • 10 Years
  • 1-3
  • 1
  • 9.6L @ 35 Degree Rise
  • 24.8Kw
Vaillant Eco-TEC Pro Boiler

Vaillant Eco-TEC Pro Boiler

  • H 720mm
  • W 440mm
  • D 338mm
  • 10 Years
  • 1-3
  • 1
  • 9.6L @ 35 Degree Rise
  • 24.8Kw

Vaillant Ecotec's pro range of combination boilers combine the built in quality reliability and performance you would expect from Vaillant with a simple design and approach. The range features 24 kW, 28 kW and 30 kW models making this boiler perfect for homes with a smaller heating and hot water requirements. At Vaillant we are working towards low carbon solutions today. As part of the HyDeploy project Vaillant boilers have been tested with up to 20 Percent hydrogen blended with Natural Gas however we are currently undergoing many tests to each of our boilers to validate their compatibility with up to 20 Percent hydrogen.

    • 5 Year Warranty
    • 1-3
    • 1
    • A+
    • B
    Navien NCB 300 28kw, 37kw, 41kw

    Navien NCB 300 28kw, 37kw, 41kw

    • H 680mm
    • W 350mm
    • D 285mm
    • 5 Year Warranty
    • 1-3
    • 1
    • A+
    • B
    • Improved Energy Efficiency
    • Reduced Energy Bills
    • Extended Warranty
    • Environmentally Friendly
    • Customizable Features
    • Enhanced Heating Performance
    • Quieter Operation
    • Compact Design
    • Increased Home Value
    • Reliability and Safety

    Introducing our entry model, the NCB300 gas condensing combi boiler. It is designed for smaller properties and offers superior hot water comfort, powerful heating, and flexible installation options in a compact design. With exceptional reliability and DHW performance, the NCB300 is the perfect choice.

    • 5 Year Warranty
    • 2-3
    • 1-2
    • A+
    • B
    Baxi 200 24kW, 28kW

    Baxi 200 24kW, 28kW

    • 5 Year Warranty
    • 2-3
    • 1-2
    • A+
    • B
    • Improved Energy Efficiency
    • Reduced Energy Bills
    • Extended Warranty
    • Environmentally Friendly
    • Customizable Features
    • Enhanced Heating Performance
    • Quieter Operation
    • Compact Design
    • Increased Home Value
    • Reliability and Safety

    The Baxi 200 Combi 2 features the latest technology in a compact and lightweight design. It comes with a 2-year parts and labour warranty* and is available in a 24kW LPG option for off mains gas homes. It's also perfect for fitting into cupboards with its lightweight and compact design.
    • 7Year Warranty
    • 2-3
    • 1-2
    • A+
    • B
    Ideal Logic Plus C24

    Ideal Logic Plus C24

    • 7Year Warranty
    • 2-3
    • 1-2
    • A+
    • B
    • Improved Energy Efficiency
    • Reduced Energy Bills
    • Extended Warranty
    • Environmentally Friendly
    • Customizable Features
    • Enhanced Heating Performance
    • Quieter Operation
    • Compact Design
    • Increased Home Value
    • Reliability and Safety

    The Ideal Logic+ C24 (ErP) Combi Boiler is one of those popular boiler installed in the UK market. The boiler comes in a range of sizes, 24kw, 30kw and 35kw meaning it is suitable for small and medium size homes up to 2 showers. The Logic Plus comes with a 7 year manufacturer backed warranty. One of the best features of this boiler is the Ideal Halo smart controller. This allows the customer to easily set on and off times from a smart phone as well as offering additional savings via weather compensation. 

    • 7 Year Warranty
    • 1-5
    • 1-2
    • A+
    • B
    Keston C30 Combi 2

    Keston C30 Combi 2

    • 7 Year Warranty
    • 1-5
    • 1-2
    • A+
    • B
    • Improved Energy Efficiency
    • Reduced Energy Bills
    • Extended Warranty
    • Environmentally Friendly
    • Customizable Features
    • Enhanced Heating Performance
    • Quieter Operation
    • Compact Design
    • Increased Home Value
    • Reliability and Safety

    Consider the Keston C30 and C35 twin flue combi boiler for total comfort with just one appliance. Whether it's for a new installation or a replacement, these compact wall hung combi boilers are both efficient and user-friendly. The flexible twin flue design makes them a great choice for central heating in various domestic environments.

    This specialized boiler is ideal for installing in a cellar or at the center of a building where traditional flueing is not possible.