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they are neither shown in the hydraulic diagram of the main display nor in the online display
Original spare part for Irleh Plus boilers with induced draft fan and with pressure fan
Die Verkleidung besteht aus hochwertigem Stahl (Ausführung Base)
Featuring state-of-the-art technology and easy installation
feature Value Suitable for DEFRO DS 20 kW
TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Justus they are neither shown inThe 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
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