The large internal free volume provides superior resistance to liquid slugging

while the "-S" variant includes integrated auxiliary switches for remote position feedback

this is a universal panel designed to interface with any HVAC equipment that utilizes standard 24VAC thermostat signals

it utilizes sleeve bearings for quiet operation and a shell-band mount for standard housing integration

Cross-reference the part number with your unit's wiring diagram or serial plate to ensure this low-pressure control matches the factory safety circuit requirements

Carrier 324186-701 Humidistat 322838-753 The large internal free volumeThe Carrier 324186 701 Humidistat is a genuine OEM replacement part designed for precision moisture regulation within residential and light commercial HVAC systems. This mechanical humidifier control switch monitors return air moisture levels to activate or deactivate the solenoid valve, ensuring consistent indoor relative humidity and preventing the development of mold or structural damage caused by over saturation. Built for durability and field