This HVAC expansion valve is built to handle the specific pressure-temperature relationship of R-22 refrigerant

single-stage pneumatic-electric relay designed for seamless integration into building automation and HVAC control schemes

Friction Reduction: High-grade sealing materials minimize mechanical drag on the stem

The Schneider Electric Erie AH13B02A Actuator is a professional-grade 120V HVAC replacement motor engineered for high-demand Poptop zone valve applications

Direct OEM Fit: Ensures seamless integration with existing Sterling gas-fired heaters without the need for field modifications

Johnson Controls V47AB-3 Regulating Valve Els PW 29614 This HVAC expansion valve isThe Johnson Controls V47AB 3 is a temperature actuated water regulating valve specifically engineered for heating applications where precise temperature modulation is critical. This direct acting modulating valve features a 1 2" NPT connection and is designed to open on a temperature increase at the bulb, making it an essential component for maintaining optimal thermal balance in heat exchangers, large scale air compressors, and hydraulic systems.