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Hays Electroflo Zone Valves

First time seeing these. Haven't been to the job yet, but they look to be line voltage.

If I had to guess, I'd say 1950's vintage.


Often wrong, never in doubt.

Comments

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 2,091
    edited April 1
    I have always thought a solenoid valve was a great way to do hydronic zoning. Fast opening and that terrific fast closing feature... when the pipes rattled you knew the heat was definitely off. BANG!

    Looks like time to repipe & rewire with new valves. Or maybe you could take the coil to a motor shop to have the solenoid coil rewound. Do they still have motor shops?
    Edward Young
    Retired HVAC Contractor from So. Jersey Shore.
    Cleaned & services first oil heating system at age 16
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 8,853
    Google "Hayes Fluid Controls"

    Still in business and still making control and solenoid valves
  • mattmia2
    mattmia2 Member Posts: 2,869

    I have always thought a solenoid valve was a great way to do hydronic zoning. Fast opening and that terrific fast closing feature... when the pipes rattled you knew the heat was definitely off. BANG!

    Looks like time to repipe & rewire with new valves. Or maybe you could take the coil to a motor shop to have the solenoid coil rewound. Do they still have motor shops?

    There are ways to damp the shaft to solve that problem...
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