Lennox 12L20 Pressure Switch

590# N/C HI PRESSURE SWITCH

Lennox 12L20 Pressure Switch – OEM 590 PSI Normally Closed High Pressure Switch

The Lennox 12L20 Pressure Switch is a genuine OEM high pressure safety switch designed to protect HVAC systems by monitoring and controlling high-pressure conditions. This normally closed (N/C) pressure switch opens at approximately 590 PSI, helping prevent system damage and ensuring safe, reliable operation. Manufactured by Lennox to original equipment specifications, it is an ideal replacement for maintaining proper system performance.

Key Features:

• Genuine OEM pressure switch from Lennox

• High pressure safety control rated at 590 PSI

• Normally Closed (N/C) switch operation

• Helps protect HVAC systems from excessive pressure

• Manufactured to Lennox factory specifications for proper fit and function

Specifications:

• Manufacturer: Lennox

• Part Number: 12L20

• Switch Type: High Pressure Switch

• Pressure Rating: 590 PSI

• Contact Configuration: Normally Closed (N/C)

The Lennox 12L20 High Pressure Switch delivers OEM-grade reliability and safety, making it a dependable choice for HVAC professionals and system maintenance across all selling platforms.