TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Sensor Adjustable temperature range: 5 to

Adjustable temperature range: 5 to 35 °C

An additional advantage: The pump does not require separate motor protection because it is short-circuit proof

Original Abgassensor DEFRO für Heizkessel

Thanks to this extensive accessory package

TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Sensor Adjustable temperature range: 5 toThe TECH EU 21 CWU is a compact controller for automatic regulation of a circulation pump between the boiler and the hot water tank or buffer tank. It operates based on temperature difference and reliably protects the system from unnecessary pump operation and frost. Highlights Benefits Differential temperature control Pump runs only when there is actual heat demand Two temperature sensors Separate detection of boiler and tank buffer temperature Frost