Johnson Controls A11B-1 Freezestat 30067439-890 and the relay mechanically selects

and the relay mechanically selects the lower pressure signal for the branch output

Always verify the parts list in the unit service manual

Proper alignment and clearance are essential when installing the P200600 to ensure efficient heat exchange and prevent vibration-induced wear on the motor bearings

The Danfoss 067N2163 TGEX TXV is a balanced port thermostatic expansion valve engineered for high-capacity air conditioning and heat pump systems

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 and the relay mechanically selectsThe 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