York S1-028-12385-700 Sheave this sensor provides high-stability resistance

this sensor provides high-stability resistance output for accurate air temperature measurement across a range of -40°F to 210°F

While newer D and E models serve similar purposes in damper control

While the K1-8 includes a gasket for the primary seal

High-Pressure Seal: Engineered for reliability in systems with maximum allowable pressures up to 250 psig at 450°F

York S1-028-12385-700 Sheave this sensor provides high-stability resistanceThe 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