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Original spare part for Irleh Plus boilers with induced draft fan and with pressure fan
Featuring state-of-the-art technology and easy installation
einfacher Handhabung und hoher Energieeinsparung revolutioniert sie den Betrieb Ihrer Heizungsanlage
The insulation provides perfect protection against cold or heat loss
feature Value Suitable for DEFRO DS 20 kW
TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Justus Original spare part for IrlehThe TECH EU 21 CWU This is a compact controller for the automatic regulation of a circulation pump between the boiler and the storage tank or buffer tank. It operates based on temperature differences and reliably protects the system from unnecessary pump operation and frost. Highlights Advantages Differential temperature control Pump only runs when there is an actual need for heat Two temperature sensors separate recording of boiler and storage tank
