ensuring the pressure switch circuit closes reliably for safe system ignition

or squealing noises during startup

The opening pressure can be adjusted by turning the range adjustment screw located at the top of the spring housing

it effectively prevents corrosion and scale buildup on internal metal surfaces

What does a Lennox burner cover do

Honeywell TS120 Display Module 320720-756 ensuring the pressure switch circuitThe Honeywell TS120 Display Module is a critical LCBS Connect replacement component engineered for light commercial HVAC systems. This module serves as the primary interface for Honeywell LCBS Connect controllers, providing essential zone temperature control and humidity sensing for constant volume air handling units and heat pumps. Built with integrated sensing technology and embedded logic, the TS120 communicates directly with the LCBS Connect