Lennox 48G57 Contactor 318518-761 The Johnson Controls VG1841AD is

The Johnson Controls VG1841AD is a professional-grade 3-way ball valve engineered for precision control in commercial hydronic systems

Technicians should look for audible "chattering

this component ensures the safe manual isolation of the 120V circuit

System Compatibility: Explicitly designed for R-22 refrigerant applications in Carrier

This HVAC compressor 49

Lennox 48G57 Contactor 318518-761 The Johnson Controls VG1841AD isThe Lennox 48G57 Contactor is a heavy duty, 25 amp definite purpose control component engineered for high cycle demands in residential and commercial HVACR systems. As a 2 pole 24V contactor, this OEM replacement part handles the primary electrical load for compressors and condenser fans, ensuring synchronized phase switching to protect internal motor windings. The 48G57 features 24VAC 50 60Hz coil operations and 1 4 inch quick connect terminals,