ZRS224, Internal thread
ZRS224, Internal thread

Motorized Zone Valve


Series ZRS220 is a range of 2-way motorized zone valve with spring return actuator for use in heating and cooling system. The ZRS220 series is available in DN15-32, PN16 with internal thread connection. The actuator is controlled by 2-point signal with spring return function and is recommended for on/off function, available for 230V AC, 50/60Hz power supply.

The product is intended to be used in closed circuits only.

  • Closing pressure up to 200 kPa
  • Manual operation possible
  • Fast running time
  • Flow direction is from A to B-port.

Product range

ZRS220 front_A-01
ZRS120 side_A-01
Series ZRS224, Internal thread
Art.no.ReferenceDNKvs** Kvs-value in m3/h at a pressure drop of 1 bar.Max. Differential pressure kPaConnectionA mmB mmC mmWeight kgNTCNTC = National Trade Code
43122100ZRS224153.2200G ½"80103211.01 
43122200ZRS224204.6150G ¾"89103211.05 
43122300ZRS224255.7100G 1"93103231.13 
43122400ZRS224321080G 1¼"105110301.50 

Installation support

Installation examples
Installation instruction ZRS220

Technical data

Technical data
Valve Pressure class: PN 16 
Media temperature: max. +94°C, min. +2°C 
Media, Water/Glycol mixtures: max. 50% 
 (above 20% admixture, the pump data must be checked) 
Working pressure: 1.6 MPa
Leakrate in % of flow: 0 %
Connection, internal thread (G): ISO 228/1 B 
Material, Valve Valve body: Brass CW 614N 
Ball: NBR 
O-rings: EPDM 
Actuator Ambient temperature: max. +60°C, min 0°C 
Enclosure rating: IP44 
Protection class: I 
Connection cable: 1 m
Power supply: 230 VAC, 50/60 Hz 
Control signal: 2-point (2-wire spring return) 
Power consumption: 6 VA
Running time, opening: 15 s
Running time, closing: 5 s
Conformity CE_A-01
LVD 2014/35/EU
EMC 2014/30/EU
RoHS 2011/65/EU
PED 2014/68/EU, article 4.3
Dimensioning $name
Dimensioning guide - Please see data sheet
Wiring ZRS22x_1_A-01
Wiring ZRS22x_2_A-01

Accessories and spare parts

Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual


ESBE Actuator ZRS921 2-point 230V 2-way.
47120100ZRS921Actuator 2-point, 230V 2-way    

Download area

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Data Sheet ZRS220
Installation instruction ZRS220
2D Image ZRS224

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