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sparco ZV

billtwocase
billtwocase Member Posts: 2,384
in THE MAIN WALL
kpc, it's been awhile since I heard that name, or used a Sparco zone valve head, but those were the guys who used to work for Taco years ago. The head should be replaceable with a Taco, if it is the 80's era valve. If it has lost it's wax, it will open and close premature. Does it have a chrome handle on the side of the head closer to the zone valve base? been awhile. peace

Comments

  • kpc_70
    kpc_70 Member Posts: 18
    anyone have ...

    or see an issue w/ a Sparco 521 series zone valve short cycling.... It is installed on a Amtrol boiler mate classic style w/ the dial control. There is no end switch and it is controlled by a Argo ZV control... Every 15 minutes or so boiler and burner come on for about 2 min. then shuts down...ty,kpc
  • kpc_70
    kpc_70 Member Posts: 18
    this is ....

    the 521 series. Looks similar to a wirsbo telestat head. No wax and its motorized. thanks just the same
  • billtwocase
    billtwocase Member Posts: 2,384
    short cycle

    then it will be a thermostat issue. Didn't think Sparco was still out there. Good luck. peace
  • kpc_70
    kpc_70 Member Posts: 18
    they are not...

    these are brand new but sitting on the shelf.... finally have a budget job to use them on.
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