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By utilizing genuine York service parts
effectively lowering heat generation within the motor windings and reducing stress on the electrical system
preventing high-head pressure issues and ensuring the HVAC system operates within factory-specified thermal parameters
this element is the standard for maintaining optimal flow rates and meeting mechanical room fire codes
Resideo VU843A1020 Actuator 320720-756 By utilizing genuine York serviceThe Resideo VU843A1020 is a heavy duty fan coil actuator engineered for commercial hydronic systems requiring reliable two position control. Operating on 24 Vac, this spring return actuator is designed for seamless integration with VU52, VU53, and VU54 series valve bodies. Featuring an SPST controller connection, the unit provides a full 22 degree stroke with a 15 second motorized timing and a rapid 4 second spring return for precise flow management.
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