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Yes but pump now being installed in the loft and not needing to push the water from ground floor to loft before going to radiators not give a better overall performance to the system? Or if so fitting next size pump up will overcome this such as 8m instead. Thanks.

It is a Worcester Greenstar Danesmoor External System boiler. Max CH output 32kw. Yes sealed but not sure on size of expansion vessel or PRV setting think it is 3Bar. Think customer wants to try putting a additional pump in on its own (maybe bigger expansion vessel too if needed) and see how...

Hi I think the idea behind the LLH was as a buffer between the two pumps so they are not working against each other as opposed to the heat loss side of things. Upgrading the pump isn't possible so a additional one will need to be added further up the line in the loft. I was thinking of adding a...

Thank you for your response, please see image of current pump in boiler. I assume you mean 15mm copper? I would have thought so but cannot confirm what is in walls or under floors.

Hi all, just wanted to get some peoples opinions. A new customer of mine has asked me to look into what he can do about his heating system not heating up downstairs radiators sufficiently. He has recently had a extension and a new 32kw oil system boiler with 15-60 130 pump fitted outside. The...