Johnson Controls A11B-1 Freezestat 30067439-890 Always verify the parts list

Always verify the parts list in the unit service manual

having a factory-original AC remote control replacement is critical for accessing advanced programming functions and diagnostic modes that generic universal remotes often fail to support

providing the necessary cubic feet per minute (CFM) to maintain system efficiency

High Load Capacity: Engineered with a 300 lbf dynamic load rating to withstand the stresses of continuous rotational motion in commercial HVAC equipment

Johnson Controls A11B-1 Freezestat 30067439-890 Always verify the parts listThe Johnson Controls A11B 1 is a professional grade low temperature cutout control, commonly referred to in the field as a freezestat. Engineered specifically for HVAC systems utilizing chilled water or steam coils, this mechanical temperature control protects against thermal damage by monitoring air duct temperatures. The unit features an SPST switch that opens on a temperature drop, effectively cutting power to the fan or closing dampers when