WITA® U 65 (discontinued produkt)
1. August 2013
WITA-Bloc T08
30. August 2013
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WITA-Bloc T20


The WITA-Bloc T20 is a compact fitting made of grey cast iron. It combines a circulation pump
and mixer in a single housing. It is mainly used in small to medium-sized hot-water heating systems. The direction of flow is to the right. This is due to the pump’s direction of rotation.

  • Energy-efficient WITA circulating pump motor Delta HE
  • 4-way or (upon request) 3-way mixing valve
    (insert and cover made from brass, sealed with double O-ring)
  • Bypass for underfloor heating
  • Flow and return thermometers
  • Parallel connections with 1 ½” thread
  • 4 x 1 ½” union nuts, 4 x 1″ inserts and 4 seals
  • Incl. EPP insulation
Max. operating pressure 6 bar
Max. supply temperature 110° C
Medium Water (Max. percentage of glycol: 50%)
Nominal diameter DN 25
Mixing valve [Kvs] 7 m³/h
Center to center distance 90 mm
Connection 1 1/2″ M
Suitable accessories • Servomotor SM 4, SM 44
• Fixed setpoint controller SM 4.10 FR-H