tech eu 21 cwu pump control circulation pump Tauchhülse consistently high heating performance can

consistently high heating performance can also be ensured

Its flexible applicability in open and closed heating systems

This not only ensures the safety of your heating system but also optimizes its efficiency

Invest in an original replacement part like the Attack lambda probe to save on operating costs in the long run and protect your heating system

tech eu 21 cwu pump control circulation pump Tauchhülse consistently high heating performance canThe 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