Secure Pneumatic Interface: The 1/4" barb connection provides a tight seal for sensing tubes

this 10x10 CCW wheel provides the structural integrity required for long-term reliability in specialized HVACR applications

Where should the atmospheric vent be directed

Designed with a Single Pole Double Throw (SPDT) switch

Johnson Controls P72LB-1 Pressure Control THPU32HP7Y Secure Pneumatic Interface: The 1/4"The Johnson Controls P72LB 1 is a robust dual pressure control designed for heavy duty commercial refrigeration and HVAC applications. Featuring a DPST (Double Pole Single Throw) switch mechanism, this all range pressure switch provides direct individual control of single phase motors up to 3 hp and three phase motors up to 5 hp, eliminating the need for separate contactors in many setups. The low pressure side handles a range of 20" Wc to 100 psi