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How Does An Automatic Bypass Valve Work? [Solved]

An Automatic Bypass Valve (DU145) controls water flow in the Heating Circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.

BYPASS VALVES ON S PLAN AND Y PLAN HEATING SYSTEMS - Short Cycling prevention - Plumbing Tips

This video is all about the

Heating problems? How to fit an automatic bypass valve and why you might need one

How to fit an

Auto bypass, set up

Many have asked how to set it up for the correct balance, we show you on our Wednesday course. Another advantage is it …