The York S1-3110-3301 is a heavy-duty 24V DPST 6 terminal fan relay engineered for precise blower motor sequencing in residential furnace and air handler applications

Trips are typically caused by restricted airflow

Always verify your specific model and serial number to ensure exact fitment

Always verify the base model before attempting installation to ensure terminal alignment and electrical integrity

or 4 to 20mA (utilizing a 500 Ohm resistor) inputs

Armstrong International C2043A-1 Valve Body Els PW 17895 The York S1-3110-3301 is aThe Armstrong International C2043A 1 is a high performance 3 4" NPT ACV 3 Control Valve Body, specifically engineered for industrial steam and water service. This valve body casting serves as the robust foundation for the Series ACV, a line renowned for its precision in steam flow modulation. Designed to integrate seamlessly with pneumatic modulating actuators or electric operators, the C2043A 1 provides the structural integrity required for high