Johnson Controls V11HAA-115 Solenoid Air Valve R-410A The Johnson Controls P20BB-1

The Johnson Controls P20BB-1

this valve body is optimized for long-term cycle life in closed-loop systems

System Efficiency: Restores factory-standard pneumatic response

This often points to a ruptured diaphragm or fouled contacts within the air proving switch

Product Features and Contractor Benefits Dual Function Control: Combines low-pressure and high-pressure monitoring in a single compact enclosure to save rail space and piping complexity

Johnson Controls V11HAA-115 Solenoid Air Valve R-410A The Johnson Controls P20BB-1The Johnson Controls V11HAA 115 is a professional grade 3 way solenoid air valve designed for precision pneumatic control in HVAC and industrial automation systems. Operating on standard 110 120Vac power, this valve provides reliable switching for air signals to pneumatic actuators, dampers, and control sequences. The configuration features a 1 4" barb connection on the common and normally closed ports, while the normally open port utilizes a 1 8" NPT