Lennox 49M50 High Pressure Switch 640 PSIG Manual Reset Cut-Out

The Lennox 49M50 is a genuine OEM high pressure switch designed to monitor and control refrigerant pressure in commercial HVAC systems. This switch features manual reset operation and a 640 PSIG cut-out rating, providing critical overpressure protection for your heating and cooling equipment.

Key Features:

• 640 PSIG maximum pressure rating
• Manual reset functionality for safety compliance
• Single-pole, double-throw contact configuration
• Normally closed operation—opens when pressure exceeds set point
• Compatible with a wide range of refrigerants
• Genuine Lennox OEM part for guaranteed reliability

This switch provides essential protection against overpressure situations that could damage the system, automatically shutting down operation when refrigerant pressure becomes excessive. The manual reset design ensures that a technician must inspect the system before restart, preventing potential equipment damage and maintaining safe operation. As a genuine Lennox replacement part, the 49M50 ensures exact fit and optimal performance in commercial HVAC applications.