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Purpose of valve betwen feed and return in central heating system
http://www.gasman.fsbusiness.co.uk/images/twopipe.jpg
My system is roughly as above (plus hot water and an extra radiator in the garage both with their own motorized valve, which are irrelevant to the question). Whoever fitted the heating system put a pipe directly from flow to return (just to the right of the pump in the diagram above). There's a gate valve on it with a red tap, which is switched off. What is this for? -- http://petersparrots.com http://petersphotos.com Light travels faster than sound. This is why some people appear bright until you hear them speak. |
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