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Combi boilers are the most popular type of boilers found in homes — both heating your water and providing central heating at the same time. Each combi boiler you'll find here were carefully selected, taking into consideration the boiler output, warranty length, energy efficiency, capacity, fitting location and much more. If you already know what specifications you're looking for with your next combination boiler, use our filter system to navigate our website for tailored searches. Otherwise, scroll through to enjoy a selection of combination boilers from trusted brands.

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Filter Results
238 results
worcester-greenstar-8000-40kw-gas-combi-boiler-vertical-flue

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Vertical Flue

More Options Available
£2,181.92 inc
VAT
worcester-greenstar-1000-24kw-combi-boiler-horizontal-flue-sense-i-thermostat

Worcester Greenstar 1000 24kW Combi Boiler - Horizontal Flue & Sense I Thermostat

More Options Available
£913.93 inc
VAT
worcester-greenstar-1000-24kw-combi-boiler-horizontal-flue

Worcester Greenstar 1000 24kW Combi Boiler - Horizontal Flue

More Options Available
£844.03 inc
VAT
ferroli-bluehelix-hitech-rrt-28c-combination-boiler-natural-gas

Ferroli BlueHelix HiTech RRT 28C 28kW Combination Boiler Natural Gas - 0T4B4AGA

£766.49 inc
VAT
Save £110.03 | Was £876.52
worcester-greenstar-1000-24kw-combi-gas-boiler-sense-i-thermostat

Worcester Greenstar 1000 24kW Combi Gas Boiler - Sense I Thermostat

More Options Available
£811.14 inc
VAT
worcester-greenstar-1000-24kw-combi-boiler-vertical-flue-sense-i-thermostat

Worcester Greenstar 1000 24kW Combi Boiler - Vertical Flue & Sense I Thermostat

More Options Available
£947.81 inc
VAT
warmflow-agentis-21-27kw-professional-external-combination-oil-boiler

Warmflow Agentis 21-27kW Professional External Combination Oil Boiler - E26CPRO

More Options Available
£3,886.79 inc
VAT
warmflow-agentis-27-33kw-professional-external-combination-oil-boiler

Warmflow Agentis 27-33kW Professional External Combination Oil Boiler - E33CPRO

More Options Available
£4,419.59 inc
VAT
warmflow-agentis-27-33kw-external-combination-oil-boiler

Warmflow Agentis 27-33kW External Combination Oil Boiler - E33C

More Options Available
£3,600.00 inc
VAT
warmflow-agentis-15-21kw-professional-external-combination-oil-boiler

Warmflow Agentis 15-21kW Professional External Combination Oil Boiler - E21CPRO

More Options Available
£3,789.59 inc
VAT
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