A gas combi boiler is designed to be a highly-efficient means of concurrently heating the water within your home and providing central heating. Combination boilers control your whole central heating system directly from one, compact unit and provide a range of advantages based on factors such as space, energy and costs.
One of the main features of these boilers is their ability to provide instantaneous hot water without water tanks or cylinders, making them typically easy to install and less likely to take up excessive space. This water is filtered through your pipes and fed into your household taps whilst also being used to heat up your radiators. By turning on the hot water tap, you trigger a response that signals the boiler to start heating water from the inside of the system. The heat exchanger transfers the majority of the heat from the burnt gas inside of the boiler to the cold water, and then delivers it to the taps as required.
As a rule, a 20-35kW combi boiler will generally be sufficient for an average 3-4 bedroom house, whilst those with ensuite bathrooms may find that a 30-35kW boiler is more suitable. Much bigger houses will typically need a larger 35-42kW boiler, although it may be worth considering a system boiler as an alternative.
Based in the city of Hull, this boiler brand has specialised in heating solutions for over 100 years.Good Housekeeping Reader Recommended4-star Which? Online review customer rating Promote strong Values of Customer Service & Innovation
Established in 1874, this brand pioneered the combi boiler over 35 years ago and has continued to create premium heating products ever since.
-Extensive Industry Experience
A popular choice for homeowners within the UK, Worcester Bosch is a British-based domestic heating and hot water product manufacturer.
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- Premium quality