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Original Abgassensor DEFRO für Heizkessel
50 for the ECO series
Pello Center
Adjustable temperature range: 5 to 35 °C
Thanks to this extensive accessory package
TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Sensor Original Abgassensor DEFRO für HeizkesselThe 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