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When replacing legacy SY actuators
ensure the shaft diameter matches during the swap-out process
ensuring longevity in high-demand mechanical rooms
triggering the alert when the differential falls below your 1
Tekmar Controls 402 Control 323080-701 When replacing legacy SY actuatorsThe Tekmar 402 House Control provides precise management for hydronic heating systems, operating on a 24Vac power supply. This versatile tN2 communication hub is engineered to coordinate a single boiler, domestic hot water (DHW) generation, and a setpoint load. It is capable of managing mixing valve control or up to four zone valves directly. The unit supports outdoor reset technology to optimize fuel efficiency by adjusting boiler water temperatures
