Witterungsgeführter TECH EU-i-1 Mischventilregler für Heizkreis- und Rücklaufschutz Caleffi the EU-21 CWU features an

the EU-21 CWU features an antifreeze function: If the temperature in the system drops below 6 °C

valve body: EN 12165 CW617N

4 x wall bracket 50 -70 mm

It can be used in open and closed metal tanks

Witterungsgeführter TECH EU-i-1 Mischventilregler für Heizkreis- und Rücklaufschutz Caleffi the EU-21 CWU features anThe TECH EU i 1 is a versatile mixing valve controller for precise temperature control of heating circuits, underfloor heating systems, and return temperature protection systems. Suitable for single family homes and heating systems with three or four way mixing valves ideal for professional installers and demanding operators. Highlights Benefits Flexible valve control suitable for heating circuits, underfloor heating, return temperature protection,