York S1-028-12385-700 Sheave and Miller systems to resolve

and Miller systems to resolve issues where the AC compressor won't start or the outdoor fan sustains low RPMs

reducing time on the job site for contractors and maintenance teams

You must cap the unused lead to prevent short circuits and ensure proper voltage reduction to the 24V secondary

Common Questions: Is the SP10874GH compatible with 240V systems

Can I use a generic limit switch instead of the 1320381

York S1-028-12385-700 Sheave and Miller systems to resolveThe York S1 028 12385 700 Sheave is a professional grade 1 groove variable pitch pulley engineered for precision air balancing in commercial and residential air handlers. Featuring a standard 7 8 inch bore, this adjustable component allows technicians to fine tune blower speeds and system CFM by modifying the pitch diameter. As an OEM S1 028 12385 700 replacement, it ensures exact mechanical compatibility with Johnson Controls and York blower