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Protection class: IP X4D
spring: stainless steel
Er eignet sich ideal für Heizungsanlagen mit Heizkörpern
immediate commissioning is possible without the need for special tools or prior knowledge
TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Durchlauferhitzer Protection class: IP X4DThe 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
