The Daikin 5011057 is a genuine OEM water flow switch for Daikin Altherma heat pump systems. VK326M0DEBEL91 and. Systems: It is compatible with a range of Daikin Altherma heat pump systems, including specific units like HXY080A7V1B, HXY080A8V1B, HXY125A7V1B, and HXY125A8V1B.
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