Boiler Capacity 25-50 KW

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Greenstar 27KW i System boiler is part of the latest generation of smaller and lighter boilers. Suitable for small, medium, and large homes, the boiler can a...
Worcester Greenstar 27i Compact System - Boiler Only
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Greenstar 30KW Si Compact combi boiler is suitable for small to medium sized homes with one bathroom. This boiler is designed to fit within a standard kitche...
Worcester Greenstar 30Si Compact Combi - Boiler Only
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Greenstar FS 42CDi Regular is a floor-standing boiler with outputs up to 40kW. Suitable for large properties, this boiler is a perfect replacement for an old...
Worcester Greenstar FS 42CDi Regular - Boiler Only
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Greenstar FS 30CDi Regular is a floor-standing boiler with outputs up to 40kW. Suitable for large properties, this boiler is a perfect replacement for an old...
Worcester Greenstar FS 30CDi Regular - Boiler Only
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Keston 30KW System boiler provides a simple and reliable solution for a wide variety of sealed domestic systems. Available with a 30kW output, Keston System ...
Keston S30 System - Boiler Only
£1,365.00 - Incl. VAT
£1,137.50 - Excl. VAT
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Keston 35KW Combi Boiler can be sited almost anywhere in the home, without the need for a separate tank. And because it connects to the unique Keston Twin Fl...
Keston C35 Combi - Boiler Only
£1,600.00 - Incl. VAT
£1,333.33 - Excl. VAT
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Keston 30KW Combi Boiler can be sited almost anywhere in the home, without the need for a separate tank. And because it connects to the unique Keston Twin Fl...
Keston C30 Combi Boiler Only
£1,480.00 - Incl. VAT
£1,233.33 - Excl. VAT
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Keston Heat 2, 45KW for Commercial installations are easy to cascade, with a choice of Frame heights and advanced optional cascade controls; you can find out...
Keston Heat 2 45kW Natural Gas Boiler Only
£2,380.00 - Incl. VAT
£1,983.33 - Excl. VAT
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The Ideal Logic Max 30KW Combi Boiler combines the same great features and benefits as our Logic Plus, with the additional Ideal System Filter, enhancing the...
Ideal Logic Max Combi C30 - Boiler Only
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The Ideal Logic+ 30KW System Boiler is one of a few UK models to receive Quiet Mark accreditation, meaning you won’t hear it in your home. Alongside this, it...
Ideal Logic Plus 30 System - Boiler Only
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Ideal Independent Heat Only 40KW Boiler, Ideal Heating is the UK’s market leader of high-efficiency commercial heating solutions. Operating from its Hull man...
Ideal Independent Heat 40KW - Boiler Only
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Glow-worm Easicom 28KW Combi Boiler has been designed with quality in mind. The Easicom range comes with a powerful aluminium heat exchanger and has leading ...
Glow-worm Easicom2/3 28c Combi - Boiler Only
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Glow-worm Energy Regular 30 KW Open Vent Boiler comes with a great range of outputs, an attractive modern design, bright, easy-to-use interface and a choice ...
Glow-worm Energy 30kW Regular - Boiler Only
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Glow-worm Energy System boiler 30KW comes with a great range of outputs, an attractive modern design, bright, easy-to-use interface and a choice of controls....
Glow-worm Energy 30kW System - Boiler only
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Glow-worm Energy Combi boiler 35KW comes with a great range of outputs, an attractive modern design, bright, easy-to-use interface and a choice of controls. ...
Glow-worm Energy 35kW Combi Boiler Only
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Glow-worm Energy Combi boiler 30KW comes with a great range of outputs, an attractive modern design, bright, easy-to-use interface and a choice of controls. ...
Glow-worm Energy 30kW Combi - Boiler Only
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The ecoTEC Plus 48KW boiler is compact in size and extremely lightweight. The front and side panels can be removed, allowing for much easier access in tight ...
Vaillant ecoTEC Plus 48kW VU Boiler 446/5-5 - Boiler Only
£2,770.00 - Incl. VAT
£2,308.33 - Excl. VAT
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The new ecoTEC plus is the product of hours of research and development, years of expertise and innovation and a series of fine, precise improvements that ...
NEW Vaillant ecoTEC Plus 635 System Boiler Only
£2,000.00 - Incl. VAT
£1,666.67 - Excl. VAT
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The new ecoTEC plus is the product of hours of research and development, years of expertise and innovation and a series of fine, precise improvements that ...
NEW Vaillant ecoTEC Plus 630 System Boiler Only
£1,810.00 - Incl. VAT
£1,508.33 - Excl. VAT
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Combination boiler Smart home ready for precise control and energy optimisation Features new ioniDETECT technology - intelligent gas combustion monitor...
NEW Vaillant ecoTEC Plus 940 Combi Boiler Only
£2,335.00 - Incl. VAT
£1,945.83 - Excl. VAT
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Combination boiler Smart home ready for precise control and energy optimisation Features new ioniDETECT technology - intelligent gas combustion monitor...
NEW Vaillant ecoTEC Plus 840 Combi Boiler Only
£1,955.00 - Incl. VAT
£1,629.17 - Excl. VAT
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Combination boiler Smart home ready for precise control and energy optimisation Features new ioniDETECT technology - intelligent gas combustion monitor...
NEW Vaillant ecoTEC Plus 836 Combi Boiler Only
£1,850.00 - Incl. VAT
£1,541.67 - Excl. VAT
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ecoTEC Pro 30KW Combi Boiler, the ecoTEC Pro range of combination boilers combines the built-in quality, reliability, and performance you’d expect from Vaill...
Vaillant ecoTEC Pro 30 Combi - Boiler Only
£1,210.00 - Incl. VAT
£1,008.33 - Excl. VAT
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ecoTEC Pro 28KW Combi Boiler, the ecoTEC Pro range of combination boilers combines the built-in quality, reliability, and performance you’d expect from Vaill...
Vaillant ecoTEC Pro 28 Combi - Boiler Only
£1,165.00 - Incl. VAT
£970.83 - Excl. VAT
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ecoTEC Plus 35KW Open Vent Boiler, The ecoTEC Plus range of open vent boilers is extremely reliable. All models have the quality of components and manufactur...
Vaillant ecoTEC Plus 435 Open Vent - Boiler Only
£2,080.00 - Incl. VAT
£1,733.33 - Excl. VAT
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ecoTEC Plus 30KW Open Vent Boiler, The ecoTEC Plus range of open vent boilers is extremely reliable. All models have the quality of components and manufactur...
Vaillant ecoTEC Plus 430 Open Vent - Boiler Only
£1,470.00 - Incl. VAT
£1,225.00 - Excl. VAT
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ecoTEC exclusive with Green iQ The best in boiler performance, control and efficiency Fully compatible with our vSMART™ heating control for optimum per...
Vaillant Green iQ Ecotec 843 Exclusive Combi Boiler
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ecoTEC exclusive with Green iQ The best in boiler performance, control and efficiency Fully compatible with our vSMART™ heating control for optimum per...
Vaillant Green iQ Ecotec 835 Exclusive Combi - Boiler Only
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Green iQ Ecotec 27KW Exclusive System Boiler, the ecoTEC Exclusive is Vaillant's first ever boiler range with the Green iQ technology. Combining our complete...
Vaillant Green iQ Ecotec 627 Exclusive System - Boiler Only
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The ecoFIT Pure 35KW Open Vent Boiler (Comes with Standard Flue), ecoFIT Pure range of open vent boilers has a wide range of outputs to choose from, with 12K...
Vaillant ecoFIT Pure 435 Open Vent Boiler including Standard Flue
£2,110.00 - Incl. VAT
£1,758.33 - Excl. VAT
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The ecoFIT Pure 30KW Open Vent Boiler (Comes with Standard Flue), ecoFIT Pure range of open vent boilers has a wide range of outputs to choose from, with 12K...
Vaillant ecoFIT Pure 430 Open Vent Boiler including Standard Flue
£1,440.00 - Incl. VAT
£1,200.00 - Excl. VAT
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The ecoFIT Pure 30KW System Boiler (Comes with Standard Flue), ecoFIT Pure range has Ultra-quiet operation, a small footprint, and total flexibility of sitin...
Vaillant ecoFIT Pure 630 System including Standard Flue
£1,770.00 - Incl. VAT
£1,475.00 - Excl. VAT
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The ecoFIT Pure 35KW Combi Boiler (Comes with Standard Flue & Advance Filter), ecoFIT Pure range has Ultra-quiet operation, a small footprint, and total ...
Vaillant ecoFIT Pure 835 Combi Boiler including Flue & Filter
£1,560.00 - Incl. VAT
£1,300.00 - Excl. VAT
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The ecoFIT Pure 30KW Combi Boiler (Comes with Standard Flue & Advance Filter), ecoFIT Pure range has Ultra-quiet operation, a small footprint, and total ...
Vaillant ecoFIT Pure 830 Combi Boiler including Flue & Fliter
£1,445.00 - Incl. VAT
£1,204.17 - Excl. VAT
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Main Eco Compact 30 KW Heat Only is designed after talking to installers across the UK to find out what they want from a Combi Boiler. In addition to Main He...
Main Eco Compact 30 Heat - Boiler Only
£1,010.00 - Incl. VAT
£841.67 - Excl. VAT
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Main Eco Compact 30 KW Combi is designed after talking to installers across the UK to find out what they want from a Combi Boiler. In addition to Main Heatin...
MainEco Compact 30 Combi - Boiler Only
£800.00 - Incl. VAT
£666.67 - Excl. VAT