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One for hot water one for heating before the days of port valves and after gravity hot water
Discuss New smart circulating pump/ are they win or bin in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Sorry didn't know if you knew what they were cant see the branding , don't suppose you took any note of them ?
No offence taken. I knew how they worked but that is the first One I have seen if I am honest. It is an SMC which is what made me post the picture.
As above though the pump is the only thing on the system that is still working properly.
At a guess I would say 60's but the system does look like it has had some work done on it since then.
Reply to New smart circulating pump/ are they win or bin in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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