The Schneider Electric (Barber Colman) M323A01 Actuator is a direct replacement for the legacy M123A01 model

ideal for high-pressure systems rated up to 400 psi

which minimize harmonic vibration and operational noise

provided the system pressure does not exceed the hose's rated burst capacity

The change is a manufacturer update to the SKU

Lennox 85M53 Module 326058-757 The Schneider Electric (Barber Colman)The Lennox 85M53 System Operation Monitor (LSOM 2) is a critical diagnostic and control component designed for high performance Lennox HVAC systems. Engineered for seamless integration with units like the Lennox XPG20 series and the Comfort Sense 7000 thermostat, this module provides real time monitoring of system vitals. As a veteran grade OEM replacement part, the 85M53 LSOM 2 is essential for technicians managing commercial rooftop units, furnaces,