Heil Quaker ICP 1184423 Limit Switch 322838-752 The Lennox 14A45 Pressure Switch

The Lennox 14A45 Pressure Switch is a high-precision

The internal O-ring stuffing box is serviceable while the system is under pressure

Advanced Fan Control: Manages blower transitions between stages to maintain optimal static pressure and airflow across the evaporator coil

Key Benefits Assists in achieving full compliance with ASHRAE Standard 62

Built with a zinc die-cast housing and a high-torque metal geartrain

Heil Quaker ICP 1184423 Limit Switch 322838-752 The Lennox 14A45 Pressure SwitchThe Heil Quaker ICP 1184423 Limit Switch is a critical safety component designed for International Comfort Products residential and commercial furnace systems. This L165 20F limit switch serves as a primary thermal cutoff, monitoring the heat exchanger temperature to prevent unsafe operating conditions. Engineered with a fixed 165F opening point (Cut Out) and a 145F closing point (Cut In) with a 20F differential, this SPST normally closed switch