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Recirculating water in a hot water tank.

 
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Hi. Is it possible to recirculate hot water from the top of the tank to the bottom of the tank without a pump. If I run a pipe from the top of the tank to the bottom would this recirculate the hot water to the bottom of the tank due to pressure or thermosiphon?

I'm trying to heat the water in the bottom of the tank where I have a loop for the ufh. Unfortunately the heated water goes to the top of the tank as heat rises. If I could only recirculate the hot water at the top of the tank to the bottom without a pump.
 
pollinator
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What is a UFH?

Hot water will always go to the top.
A pump is the only way to address the ussue.
 
Yen Yus
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John C Daley wrote:What is a UFH?

Hot water will always go to the top.
A pump is the only way to address the ussue.



Under floor heating (ufh). I suppose I will have to fit a pump then. Thanks.
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