When replacing older or fouled rods

the S352AA-2 supports both wall and DIN rail mount configurations

Common Questions: What are the symptoms of a failing pressure switch

Featuring pre-terminated RJ-11 phone jack connectors

Johnson Controls S352AA-2 Module 30067439-890 When replacing older or fouledThe Johnson Controls S352AA 2 Module is a professional grade System 350 pressure stage adder engineered to provide precision multi stage control in commercial refrigeration and HVAC systems. Designed for seamless integration, this pressure stage module plugs directly into a P352AB pressure control or an A350 series master controller via a 5 pin connector, eliminating the need for complex inter module field wiring. It features high capacity SPDT