Lennox 68W11 Low Ambient Pressure Switch OEM Replacement

The Lennox 68W11 is a genuine OEM low ambient pressure switch designed to protect HVAC system compressors and maintain safe, reliable operation under varying temperature and pressure conditions. Also referenced by manufacturer part number 102312-03, this direct-fit replacement integrates seamlessly into compatible Lennox residential and commercial air conditioning units.

This pressure switch monitors high-side refrigerant pressure and automatically activates or deactivates the system to prevent compressor damage. It actuates (opens) at 450 PSI and automatically resets (closes) at 240 PSI, eliminating the need for manual intervention once safe pressure levels are restored.

Key Features:

• Genuine Lennox OEM replacement part — Cat# 68W11, Mfr# 102312-03
• Actuates at 450 PSI; automatically resets at 240 PSI
• Protects compressor from operation under unsafe high-side pressure conditions
• Designed for use in low ambient temperature environments
• Direct drop-in replacement for exact fit and function
• Lightweight design — approximately 0.11 lbs
• UPC: 66255143320

As a genuine Lennox OEM part, the 68W11 pressure switch preserves your system's factory performance ratings, energy efficiency certifications, and sound quality specifications. It is compatible with multiple Lennox commercial and residential HVAC models including the LCH210H4-02, LCH210H4-03, and LCH300S4-02, among others.