Description
Lennox 11A77 — 230V Single-Phase R-22 Compressor
The Lennox 11A77 is a single-phase compressor engineered for use with R-22 refrigerant, designed to deliver dependable cooling performance in residential and light commercial HVAC applications. Built to Lennox’s exacting OEM standards, this compressor is the trusted choice for technicians performing direct replacements in existing Lennox systems.
Key Features
- OEM Lennox replacement compressor — SKU 11A77
- Rated voltage: 230V single-phase (1Ph)
- Compatible refrigerant: R-22
- Engineered for reliable, long-service-life operation in Lennox cooling equipment
- Direct OEM replacement for compatible Lennox air conditioning systems
- Designed for residential and light commercial HVAC applications
Application
The Lennox 11A77 compressor is intended as a direct OEM replacement for compatible Lennox air conditioning and heat pump systems utilizing R-22 refrigerant. It is ideal for HVAC contractors and service technicians looking to restore system performance with a factory-matched component.
Important Note on R-22
R-22 refrigerant is a regulated substance under EPA Section 608. Installation and service must be performed by EPA 608-certified technicians. Always verify system compatibility and local regulations before installation.







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