existing conductors must be mapped carefully to the new terminal configuration to maintain proper HVAC compressor protection and control logic

When performing a water heater thermostat replacement

Professional Grade Durability: Engineered to handle high-demand refrigerant flow in residential and commercial split-system applications

Can this be used for actuators mounted above the damper

Whether you are performing a universal replacement or a new installation

Johnson Controls S351AA-1 Module 30067439-890 existing conductors must be mappedThe Johnson Controls S351AA 1 is a professional grade humidity stage module designed to integrate seamlessly with the System 350? ecosystem, specifically the W351 humidity control series. This module allows technicians to expand the capabilities of a base controller by adding an additional stage of equipment control, utilizing a high reliability SPDT enclosed relay. Built for demanding commercial and industrial HVACR environments, the S351AA 1