ensuring consistent wall thickness and dimensional tolerances that veteran contractors expect in the field

Does this fit the 143-80-2HP high-pressure models

Reliable Switching: High-quality SPNO contacts provide clean signal transmission to the integrated furnace control (IFC)

Accuracy is maintained within

York S1-2940-3551 Relay ensuring consistent wall thickness andThe York S1 2940 3551 Relay is a specialized 24V 3 pole plug in heat relay engineered for precise switching in residential and light commercial HVAC systems. This HVAC contactor relay functions as a critical interface between low voltage control circuits and high voltage heating components, ensuring reliable load management. Designed for 24VAC coil operation, the S1 2940 3551 features a robust 3 pole configuration that allows for multi circuit control