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Built with a 3/4" NPT threaded connection
High-performance HVAC technicians rely on this dual SPDT contact configuration to provide precise millivolt signal feedback to the integrated control board
facilitating a perfect fit in the mounting bracket
providing long-term switching stability
incorporating current engineering updates for better field reliability
York S1-2940A3541 Transformer Els PW 17895 Built with a 3/4" NPTThe York S1 2940A3541 Transformer is a critical component for maintaining consistent 24V control voltage across residential and light commercial HVAC systems. This 120V primary 24V secondary step down transformer is engineered to handle a 40VA power rating, providing sufficient overhead for contactors, boards, and thermostats within the control circuit. As a direct OEM York furnace transformer replacement, it ensures the internal impedance and thermal
