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Aire
Pleased it's sorted, did you get the plumber to look at how the expansion vessel is supported?
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Discuss Tun dish leaking intermittently on my Ariston Classico STI cylinder in the Plumbing Jobs | The Job-board area at Plumbers Forums
I've got a secondary return that runs on a tiny little pump, the pump itself doesn't use much energy.
I think the main efficiency issue is lost heat through the pipework, keeping the pipework hot with short runtimes doesn't help much with that.
A timer to keep it off at times your not likely to use the hot is a good idea, like at night or while at work.
I've considered fitting a flow switch so the pump only runs when a tap is used, so the water is pulled through much quicker but the time and cost would probably outweigh the benefit.
IMO forget the 5min thing it's probably just going to shorten the life of the pump (like with a lightbulb)
Depending on the controls you have, could even use the second channel (HW) on your existing programmer to control pump times?
I think the main efficiency issue is lost heat through the pipework, keeping the pipework hot with short runtimes doesn't help much with that.
A timer to keep it off at times your not likely to use the hot is a good idea, like at night or while at work.
I've considered fitting a flow switch so the pump only runs when a tap is used, so the water is pulled through much quicker but the time and cost would probably outweigh the benefit.
IMO forget the 5min thing it's probably just going to shorten the life of the pump (like with a lightbulb)
Depending on the controls you have, could even use the second channel (HW) on your existing programmer to control pump times?
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Mmmmm currently im using a plug timer, on every 5 mins per hour during daytime. I guess using the second channel HW would do the same anyway? Although I have no idea if I can , my thermostat is a nest.
Isnt there a way for the pump to come on automatically when hot water tap is used?
Isnt there a way for the pump to come on automatically when hot water tap is used?
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Just keep as it is but I'd run it in the morning when I'm most likely to use the basin, shower etc
Then in the evening when I'm likely to use sink etc.
Running for 5min in every 20 would work well during those times but I don't see the point.
Rather narrowing down the times you most use the hot water would give best savings IMO.
Then in the evening when I'm likely to use sink etc.
Running for 5min in every 20 would work well during those times but I don't see the point.
Rather narrowing down the times you most use the hot water would give best savings IMO.
There is but it would be pointless because the pump needs to be running for several minutes before someone decides to turn tap on. Unfortunately, the laws of physics don't allow such a device, which has to predict the future, to exist.