making it compatible with modern HFC retrofits while maintaining the durability required for legacy HCFC systems

it features an external push button for manual override during commissioning or maintenance

simplifying the upgrade path during routine maintenance or emergency service calls

This product is most effective for micro-leaks losing no more than 15% of the total charge over a four-week period

Carrier 99CC403203 Valve 328140-751 making it compatible with modernThe Carrier 99CC403203 Suction Service Valve is a critical component for professional HVAC system maintenance, designed to provide high reliability refrigerant flow control. This 5 8" valve is engineered for suction line isolation, allowing technicians to service internal components or perform deep evacuations without discharging the entire refrigerant charge. Built specifically for Carrier AC repair and refrigeration applications, it serves as a