Pay in 4 interest-free payments of $19.62 Learn more
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
spring: stainless steel
Temperature continuous 5 to + 88 °C
immediate commissioning is possible without the need for special tools or prior knowledge
Its robust construction and precise functionality ensure the smooth operation of your heating system for many years to come
TECH EU-21 CWU Pumpensteuerung Umwälzpumpe Kessel Boiler Durchlauferhitzer spring: stainless steelThe 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
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