Description
The Lennox 58H66 is an OEM potential relay engineered to deliver dependable compressor starting performance in Lennox HVAC systems. Potential relays are a critical component in single-phase compressor circuits, working in conjunction with a start capacitor to provide the additional torque needed during motor startup — then dropping the start capacitor out of the circuit once the compressor reaches operating speed.
Key Features
- OEM Lennox replacement potential relay (SKU: 58H66)
- Designed to work with single-phase compressor motors requiring start-assist
- Drops start capacitor out of circuit at proper motor speed for safe, efficient operation
- Helps extend compressor life by reducing start-up stress
- Direct OEM replacement ensures fit and function compatibility with Lennox equipment
Application
The Lennox 58H66 Potential Relay is intended as a direct OEM replacement for Lennox residential and light commercial HVAC systems. It is used in compressor circuits where a start capacitor is employed to boost starting torque. Always verify compatibility with your specific Lennox unit model before installation.
Installation Notes
- For use by qualified HVAC technicians only
- Disconnect all power before servicing or replacing relay components
- Verify coil voltage and contact ratings match the existing system specifications prior to installation
- Consult the Lennox equipment service manual for wiring diagrams and torque specifications
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