this model includes a 500-ohm resistor that enables 4-20 mA proportional control when wired across the input terminals

This furnace high limit switch features a secondary safety circuit designed to monitor heat exchanger temperatures

OEM Compatibility: Replaces common Robertshaw pilot assemblies used across various furnace

Common Questions What are the symptoms of a failing York limit switch

This motor requires a 5 MFD 370 VAC or 440 VAC run capacitor

York 028-12204-000 O-Ring 318820-201 this model includes a 500-ohmThe York 028 12204 000 O Ring is a critical sealing component engineered specifically for high pressure HVACR applications, particularly within York centrifugal chillers and large scale industrial cooling systems. This EPDM o ring features a 5 7 8 inch inside diameter (ID) designed to maintain airtight integrity under rigorous thermal cycling and high refrigerant pressure. As a direct S1 028 12204 000 replacement part, it ensures a precision fit for