hot water booster pump

21 Sep 2004
Reaction score
United Kingdom
If I fit a single impeller pump off a hot water cylinder will I have a problem of it pumping out of the vent pipe when taps are off?

Very grateful for a prompt reply.
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If that happened, then no one would be able to use them. They are designed to increase the pressure of vented stored hot water systems. That is what they do.

Of course it does need to be connected correctly possibly using a Warix flange (other flanges are available)

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