This sanitizer is specifically nickel-safe and formulated not to pit or corrode sensitive evaporator plates when used at the recommended 200 ppm concentration

the internal bimetal disc or contacts have likely failed

Direct-fit replacement diaphragm reduces field labor and troubleshooting time

as long as the diameter

22 and NSF 61G for both mechanical and potable water applications

Johnson Controls SEC99AA-18 Fitting This sanitizer is specifically nickel-safeThe Johnson Controls SEC99AA 18 is a heavy duty UltraCap armored capillary assembly designed for high pressure HVACR applications, specifically for connecting pressure switches and transducers to refrigeration lines. This 18 inch capillary tube features a 0. 06 inch internal diameter to minimize oil clogging and pulsation issues while maintaining rapid pressure response. Both ends are equipped with 1 4" SAE female flare fittings featuring straight