What Are the Most Efficient Boilers - modulation & PDHW

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We are joined by Richard Burrows from Mid Wales Plumbing and Heating Supplies who is an expert on heating control strategy.

Richard talks about the types of modulation - load compensation and weather compensation and how all boilers should be controlled this way.

To understand modulation I have written an article with a funny analogy here

With advice about turning boiler temperatures down for combination boilers 'combis' Richard chats about heating systems using cylinders and how the outdated practice of piping up S and Y plans is scuppering  efficiency. 

Great episode this

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