Zone Valve Packs

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Compact and versatile

Danfoss TWA Basic and ABRA Basic Zone Valve Packs are a cost effective and convenient way to control specific zones within your system.

They are used to electrically activate valves on hot and chilled water applications where slow opening and closing is desirable to eliminate water hammer associated with quick acting valves.

Features and benefits

Low power consumption

Silent operation

Do not cause water hammer

Easily installed or removed

TWA Basic

TWA-A Actuator included:

  • 24VAC, 2.0 VA
  • ON/OFF (NC)
  • valve position indicator
  • 4 wire w/ end-switch

Solder union valve included:

  • Size: ½" or ¾"
  • Cv: 1.6 or 2.7

ABRA Basic

ABRA-A5 actuator included:

  • 24VAC/DC, 2.0 VA
  • ON/OFF (NC)
  • 4.0mm stem travel
  • Cable: pre-wired, 3 ft. (1 m) w/ end-switch

Solder union valve included:

  • Size: ½" or ¾"
  • Cv: 1.6 or 2.7


Type Name Language Valid for Updated Download File type
Data sheet ABRA-A5 Actuator for RA2000 Datasheet English United States 10 Mar, 2016 652.5 KB .pdf
Data sheet RA2000 Thermostatic Radiator Valve and Operator Datasheet English United States 09 Mar, 2014 1.0 MB .pdf
Catalog RA2000 Thermostatic Radiator Valve, Electric Zone Valve & Pressure Bypass Valve Catalog_VKGWC122 English United States 21 Jun, 2015 1.3 MB .pdf
Data sheet TWA-A Electric Actuator Datasheet English United States 16 Jan, 2017 877.8 KB .pdf


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