Cleveland Controls AFS-405-121 Switch Els PW 17895 The "TT" designation indicates the

The "TT" designation indicates the inclusion of dual Schrader access valves

Seamless Integration: Expertly designed for use with KMC digital controllers and most building automation systems supporting 10k Type II curves

this 322 suffix seat nut provides superior corrosion resistance and mechanical strength

Diagnostics: Visible LED indicates relay activation to assist with quick system startups and commissioning

Cleveland Controls AFS-405-121 Switch Els PW 17895 The "TT" designation indicates theThe Cleveland Controls AFS 405 121 is a professional grade air pressure sensing switch specifically engineered for HVAC, DDC, and energy management proving circuits. This field adjustable unit features a broad operating range of 0. 05" w. c. to 12. 0" w. c., making it a versatile solution for sensing positive, negative, or differential air pressure across filters, coils, and fans. To ensure reliable performance in low current and computer interface