Description
Lennox 12L20 High Pressure Switch Overview
The Lennox 12L20 is a 590-pound (PSI) normally closed (N/C) high pressure switch engineered to protect refrigeration and air conditioning systems from unsafe operating pressures. Designed as a genuine Lennox OEM replacement component, this switch provides dependable, automatic high-side pressure protection to help maintain system integrity and prevent compressor damage.
Key Features
- 590# (PSI) cut-out pressure rating for high-side refrigerant circuit protection
- Normally Closed (N/C) contact configuration — opens on pressure rise to interrupt circuit
- OEM Lennox replacement part — direct-fit for compatible Lennox equipment
- Helps prevent compressor and system damage from excessive refrigerant pressure
- Durable construction for long-term, reliable performance in demanding HVAC/R environments
Application
The Lennox 12L20 high pressure switch is intended for use in Lennox residential and light commercial HVAC systems requiring high-side pressure safety control. It is a critical safety component that monitors refrigerant pressure and opens the control circuit when pressure exceeds the rated set point, shutting down the system to prevent damage.
Why Choose the Lennox 12L20?
- Genuine Lennox OEM part ensures proper fit and function
- Protects compressor and refrigerant circuit from over-pressure conditions
- Easy drop-in replacement for failed or suspect pressure switches
- Supports system reliability and longevity
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