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The Tekmar Controls 423 is a Universal Reset Module designed for hydronic heating systems. It provides outdoor reset capabilities by adjusting water temperature to enhance comfort and efficiency in heating applications. This module can operate two on/off boilers or two modulating boilers concurrently.
The 423 ensures effective temperature management for hydronic systems, contributing to energy savings and longer equipment life.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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