Always replace a HVAC pressure switch with one that matches the specific "Water Column rating labeled on the manufacturer's data tag to ensure the system trips at the correct threshold

To service the relief valve

it is best practice to mount the diaphragm in a vertical plane to prevent moisture buildup and ensure the calibrated set point remains accurate

Is this switch compatible with 24V or 120V control circuits

Direct Replacement: Serves as a direct substitute for S1-028-13377-000

Carrier EP13BZ120 Liquid Valve Assembly 323613-751 Always replace a HVAC pressureThe Carrier EP13BZ120 Liquid Valve Assembly is a precision engineered OEM replacement part designed for critical refrigerant flow regulation in high performance HVAC systems. This liquid line valve is built with a rugged bi metal construction to ensure structural integrity across fluctuating thermal conditions, preventing the binding or failure common in inferior aftermarket components. Specifically engineered as a factory replacement for model