Placing the HW motorized valve at the feed of cylinder

7 Feb 2012
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United Kingdom
After learning all kinds of wonderful things on this forum i have opted for a Modulating pump combined with a Taconova inline flow setter bypass rather than a fixed speed pump with a auto bypass valve.

My dilema is whether to run the bypass valve throught the hot water cylinder thus meaning that the HW motorised valve will need to be placed before the bypass entry tee.

Would placing the motorised valve at this location have a damaging effect on the pump given that it is a modulating pump?

Any other thoughts more than welcome.
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