York S1-3730A3161 Relay 318172-701 and several low-GWP blends

and several low-GWP blends

The kit provides the mechanical extension needed for heat dissipation

Engineered for precision and long-term reliability

The rugged iron body construction is complemented by a non-metallic disc-to-metal seat and a stainless steel spring to prevent sticking and ensure reliable reseating after operation

The calibrated element changes from Green (Dry) to Yellow (Wet)

York S1-3730A3161 Relay 318172-701 and several low-GWP blendsThe York S1 3730A3161 Current Sensing Relay is a specialized solid state HVAC current switch designed for monitoring electrical load in high performance air handling and refrigeration systems. This OEM York replacement part operates by detecting current draw through a conductor to trigger secondary equipment, such as induction fans or humidifiers, ensuring synchronized operation with the primary blower motor. Engineered for heavy duty service, this