Valcore Plumbing & Heating in Colchester
Valcore Plumbing & Heating in Colchester

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Bert's Blogs - combi boiler low pressure
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Is your boiler losing pressure? What to do if you have low boiler pressure

What is boiler pressure? Modern boilers are often installed as part of a sealed heating system. Unlike open systems that need a feed and expansion header tank in the loft to regulate the water in the system, sealed systems contain a fixed amount of water and can be topped up manually by opening the valve. Read more…

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