78L19 | R44478-001 VALVE-EXPANSION | Lennox Part Number_155400 reducing energy consumption and improving

reducing energy consumption and improving the efficiency of your water heating system

providing consistent performance over an extended service life

this lockout offers excellent resistance to corrosion and wear

you invest in a high-quality and reliable solution for your fluid circulation needs

78L19 | R44478-001 VALVE-EXPANSION | Lennox Part Number_155400 reducing energy consumption and improvingLennox Expansion Valve (78L19) This Lennox Expansion Valve (SKU: 78L19) is an essential component for regulating refrigerant flow in air conditioning and refrigeration systems. Manufactured by Lennox, a leading brand in the HVAC industry, this valve ensures efficient system operation and reliable cooling performance. The expansion valve regulates the flow of liquid refrigerant into the evaporator coil, ensuring optimal heat transfer and cooling