Zone Valves



Grundfos UP Zone Valves incorporate 24-VAC normally closed motorized actuator design with or without sealed end switch. All components are corrosion resistant. The high gear ratio transmission eliminates gear tooth stress, water hammer issues, and valve "bouncing" during closing.

Forged brass body is 2-way flow with high CV rating and incorporates a durable stainless steel/EPDM valve stem assembly.


  • Specifically designed for residential and commercial applications.
  • Heating Systems:
  • Boiler/Hydronic heating
  • Radiant floor heating
  • Hydronic and fan-coil heating
  • Domestic Hot-Water Systems:
  • Solar water heating
  • Hot-water recirculation
  • Domestic hot-water heating


Features and Benefits:

  • Easy to install
  • Actuator removal button
  • Silent Close-Off Technology
  • With or without sealed end switch
  • Sealed end switch
  • Manual Open/Closed lever
  • 32 - 240F rating
  • 50% Glycol rating
  • cULus listed, NAFTA, By America Act, Plenum rated


  • Easy to install
  • Silent Close-Off Technology
  • 50 % Glycol rating



Zone Valve, Brochure

GRUNDFOS UP-ZV (Zone Valves) (Product brochure)

The Grundfos UP Zone Valve incorporates the latest in robust motor and gearing technology, ensuring long life and quiet operation.

Grundfosliterature-4112409.pdf (1 MB)

Instruction - Grundfos UP-ZV

L-ZV-TL-001 Zone Valves, North America Installation and Operating Instructions

Grundfos 24 V zone valves, UP-ZV, are designed for closed water heating and cooling applications. UP-ZV are not intended for potable water applications.

Grundfosliterature-3153419.pdf (1 MB)

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