Bard HVAC 8403-038 Humidity Control Freon This is a normally closed

This is a normally closed (NC)

It is not compatible with standard single-phase residential service without a phase converter

WB) and Armor (AW) series

For ranges outside of this

Bard HVAC 8403-038 Humidity Control Freon This is a normally closedThe Bard HVAC 8403 038 is a professional grade non electric humidity control specifically designed for industrial HVAC systems and wall mount units. This SPDT humidity controller features a wide 125F maximum ambient temperature rating and a relative humidity range of 20% to 80% RH. Built for precise humidity regulation, it operates with a nonadjustable 5% nominal differential, ensuring stable moisture levels for sensitive equipment and critical