Lennox 19L57 Pressure Switch

.25"wc SPST dual 1/4" barb connection Pressure Switch

19L57 is identical to 19L5701

Lennox 19L57 Pressure Switch – .25" WC, SPST, Dual 1/4" Barb Connection

Ensure accurate airflow monitoring in your HVAC system with the Lennox 19L57 Pressure Switch, a reliable and OEM-quality component designed for Lennox equipment. Engineered for precision and durability, this pressure switch is ideal for maintaining safe and efficient operation in residential and commercial heating and cooling systems.

Key Features:

• Brand: Lennox

• Model/MPN: 19L57

• Type: Pressure Switch

• Pressure Rating: 0.25" WC

• Switch Type: SPST (Single Pole Single Throw)

• Connection: Dual 1/4" barb connections for easy installation

• OEM Quality: Genuine Lennox replacement part

Description:
The Lennox 19L57 Pressure Switch provides reliable detection of airflow and pressure changes within HVAC systems. Its SPST configuration and dual 1/4" barb connections make it easy to install and integrate with existing Lennox units. Built to OEM standards, this pressure switch ensures consistent performance, system safety, and long-lasting durability.

Applications:

• Lennox residential and commercial HVAC units

• Replacement for faulty or worn pressure switches

• Ensures proper system operation and safety

Upgrade your HVAC system with the Lennox 19L57 Pressure Switch for dependable performance and peace of mind.