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this Multi-Function Technology (MFT) actuator offers field-programmable flexibility for 4-20mA proportional control (using a 500 Ohm resistor)
The 350 PSI cut-in and 250 PSI cut-out settings are factory-calibrated to optimize refrigerant flow and heat exchange efficiency
which may prevent the pressure switch from closing or cause uneven heating across the heat exchanger
making it the standard choice for industrial lighting and HVAC control circuits
Tekmar Controls 561 Thermostat 320720-756 this Multi-Function Technology (MFT) actuatorThe Tekmar 561 WiFi Thermostat is a high performance, one stage heat thermostat designed specifically for the rigorous demands of hydronic heating systems, including baseboards, radiators, and radiant floor heating. Operating on 24Vac or 24Vdc, this unit integrates seamlessly with the Watts Home mobile app, allowing for professional grade remote temperature control and system monitoring. The 3. 5 inch color touchscreen interface provides a clear
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