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Danfoss HSV3 Vs. HSV3B - 3 way port valve

Discussion in 'Plumbing and Central Heating' started by spud1962, 31 Oct 2015.

  1. spud1962


    4 Jul 2004
    Thanks Received:
    United Kingdom
    My existing domestic ch/hw system has a Danfoss HSV3B - 3 port valve installed and I want to know if I can do a straight swap to HSV3.

    I understand from the Danfoss literature that
    the "B" version spindle rotates through 45 degrees and the other rotates through 360 degrees, but I don't understand the practical implications of the need for this.

    Any practical advice would be appreciated.
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