The Carrier 340620-720 Thermal Expansion Valve (TXV) Replacement Kit is designed for Carrier and Bryant HVAC systems, offering precise control of refrigerant flow for optimal cooling efficiency. This kit includes a high-quality TXV, specifically engineered to maintain proper superheat levels, ensuring system reliability and peak performance. https://www.partshnc.com/340620-720-carrier-txv-kit-replacement