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Honeywell Zone valve Header or Diaphragm?

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Danscrew
Danscrew Member Posts: 130
I’m looking for the internal zone valves inside this header need a P/N or a link on where to get them thanks Having
a tuff time locating them Thanks for everyone’s Help Dan

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  • mattmia2
    mattmia2 Member Posts: 9,850
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    Are the honeywells motorized valves and the 3rd one a heat motor? Is there a part number on the honeywell actuators?
    heathead
  • mattmia2
    mattmia2 Member Posts: 9,850
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    It looks like that white heat motor is the replacement.
  • Solid_Fuel_Man
    Solid_Fuel_Man Member Posts: 2,646
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    They sure look like Wirsbo/Uponor units rebranded as Honeywell. Or maybe that is the other way around! 
    Serving Northern Maine HVAC & Controls. I burn wood, it smells good!
    mattmia2
  • mattmia2
    mattmia2 Member Posts: 9,850
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    Looks like this crosses to the right part eventually. Looks like there may be a thread adapter ring too:
    https://www.supplyhouse.com/Wirsbo-Uponor-A3020522-Motorized-Valve-Actuator-MVA-four-wire-2062000-p
  • hot_rod
    hot_rod Member Posts: 22,394
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    I think the original were Sparco, then Honeywell Sparco. Wirsbo also used them. I think they all interchange

    The other looks like a Caleffi TwisTop. A great replacement if it opens and closes completely?
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • Danscrew
    Danscrew Member Posts: 130
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    I appreciate everyone's input I found a Caleffi P/N 656354 that works as Shown in pic. What I need is the internal valve actuators on the inside? Thank you to all