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

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

This graphite cover gasket is critical for restoring system integrity during scheduled maintenance or rebuilds of 2-inch Spirax Sarco FT-15

Exact OEM Calibration: Pre-set to -

this direct-fit Lennox control module replaces faulty soldered relays or damaged traces that lead to intermittent operation

York 028-12204-000 O-Ring 318820-201 OEM Compatibility: Replaces common RobertshawThe 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