York S1-3730A3161 Relay Refrigerant This direct-acting pneumatic controller features

This direct-acting pneumatic controller features a single setpoint design with a versatile 40-140°F setpoint range

making it suitable for low-pressure steam service

Common Questions Is the 624695R compatible with 624695

simplifying troubleshooting for service contractors

This circuit board replacement is compatible with a wide range of Infinity and Evolution series units

York S1-3730A3161 Relay Refrigerant This direct-acting pneumatic controller featuresThe 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