Description
Lennox 48G57 2-Pole 24V Contactor Overview
The Lennox 48G57 is an OEM-grade 2-pole contactor designed for use in Lennox heating and cooling systems. Featuring a 24-volt coil, this contactor provides dependable electrical switching to control compressors and other high-load components in residential and light commercial HVAC applications. Engineered to Lennox specifications, the 48G57 ensures a precise, drop-in fit for compatible equipment, minimizing downtime during service and replacement.
Key Features
- 2-pole design for controlling high-amperage HVAC loads
- 24V coil voltage for compatibility with standard HVAC control circuits
- OEM Lennox replacement part (SKU: 48G57)
- Engineered for reliable, long-lasting switching performance
- Direct drop-in replacement for compatible Lennox systems
- Suitable for residential and light commercial HVAC applications
Application
The Lennox 48G57 contactor is commonly used to switch compressor loads in Lennox air conditioning and heat pump systems. Its 24V coil interfaces directly with the system’s control board, enabling the thermostat signal to energize and de-energize the compressor circuit safely and efficiently.
Why Choose the Lennox 48G57?
Using genuine OEM replacement contactors like the Lennox 48G57 helps maintain equipment warranty compliance, ensures proper fit and function, and reduces the risk of premature failure associated with non-OEM alternatives. Keep your Lennox system running at peak performance with this quality contactor.









