Lennox 59W33 Low Pressure Switch SPST 90/40 PSI

The Lennox 59W33 (OEM Part Number 102310-01) is a low pressure switch designed for HVAC systems to monitor and control refrigerant pressure levels. This critical safety component ensures your heating and cooling system operates within safe pressure parameters by opening or closing an electrical circuit based on detected pressure levels.

Key Specifications:

• Actuates at 90 PSI, resets at 40 PSI
• SPST-NO (Single Pole Single Throw - Normally Open) configuration
• 120/240 VAC rated at 6 Amp FLA
• 12-inch wire leads for easy installation
• Genuine OEM Lennox replacement part

This pressure switch is engineered to detect low pressure conditions in your HVAC system and prevent equipment damage by shutting down operation when refrigerant pressure drops below safe levels. When pressure returns to normal operating range, the switch automatically resets to restore system function.