Zone valve ESBE, type ZRS 234, 3-way IG

• For installation in heating/cooling systems
• 2-point servomotor
• With 0.85 metre cable
• Simple replacement of the servomotor
• Fast running time
• Manual operation possible
• Not to be used for industrial/drinking water

Technical data:
• Operating temperature: Max. 94°C
• Pressure rating: PN16
• Running time:
- Opening 15 sec.
- Closing 5 sec.
• Protection class: IP44
• Power supply: 230 V/AC, 50 Hz
• Control signal: 2-point
• Valve housing: Brass
• Seal sets: NBR / EPDM
• Media: Water according to
- Water according to VDI2035
- Glycol mixture max. 50 %
- Ethanol mixture max. 28 %

• Internal thread connections
• Changeover switch function
• de-energised AB-B open