York S1-3730A3161 Relay 318172-701 How do I position the

How do I position the sensing bulb

The KR51BG915 features a robust construction that resists thermal deformation and vibration

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

The HT01BD464 specifically replaces legacy part numbers HT01BD459 and HT01BD463

Engineered for precision and long-term reliability

York S1-3730A3161 Relay 318172-701 How do I position theThe 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