Key Benefits Interchangeable orifice assembly allows for easy capacity matching and simplified field service

CSA listed

Simplified Troubleshooting: On-board diagnostic LED provides immediate feedback for faster repair cycles

When should this magnesium anode rod be replaced

Smith 100111584 Pump Circulator is a critical OEM replacement part designed for high-efficiency hydronic heating and domestic hot water systems

Lennox 78L20 Valve 322027-701 Key Benefits Interchangeable orifice assemblyThe Lennox 78L20 Valve is a professional grade thermostatic expansion valve (TXV) designed for precision refrigerant metering in 3 ton residential and light commercial AC units. Engineered specifically for R22 and R407C refrigerants, this OEM component regulates flow into the evaporator coil to maintain optimal superheat, preventing liquid slugging and protecting the compressor from premature failure. Featuring a 3 8" x 1 2" ODF (Outside Diameter