Key Benefits Universal Compatibility: The Uni-Couple design fits nearly all standing pilot assemblies

Whether you are performing a universal replacement or a new installation

When performing a water heater thermostat replacement

interrupting the electrical circuit to the burner if discharge temperatures exceed safe operating parameters

Johnson Controls S351AA-1 Module 30067439-890 Key Benefits Universal Compatibility: TheThe 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