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  1. A

    Automatic bypass valves.

    Thanks for that. But i need to know how to fit into circuit. What is the route of flow/return and location of valve
  2. A

    Automatic bypass valves.

    i've done the plumbing runs/radiators etc for central heatings before for combi systems. Im doing a flat conversion which has a condensing combi and requires an auto bypass valve. How does the bypass circuit run/ fit into normal circuit? Ive bought them but dont know where they go?
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