York S1-028-04807-700 Sheave Els PW 17895 this replacement regulator spring allows

this replacement regulator spring allows technicians to convert or maintain 496 series units for higher pressure applications beyond standard inches of water column settings

Often identified in the field by its compatibility with enclosed pneumatic actuators

This 100-250F auto limit switch features an automatic reset mechanism

allowing for seamless integration without extensive rewiring

For applications requiring power-loss carryover

York S1-028-04807-700 Sheave Els PW 17895 this replacement regulator spring allowsThe York S1 028 04807 700 is an industrial grade single groove variable pitch sheave designed for precise airflow and speed modulation in belt driven HVACR systems. Constructed from heavy duty cast iron, this 1VM50 sheave features a 4. 75" outside diameter and a 7 8" fixed bore, making it a direct OEM replacement for York and Johnson Controls air handlers and furnace applications. The adjustable pitch range of 3. 3" to 4. 8" allows contractors to fine