the 100281080 kit includes all relevant hardware displayed

ensuring reliable flame sensing and millivolt signal transmission to your gas control valve

This sensor is the direct manufacturer replacement part for the Vulcain M-509255 and is technically identical to the S301-IRF-R404A

it ensures the control board maintains the correct timing cycles required for system safety and airflow efficiency

Durable galvanized steel construction provides high resistance to thermal expansion and oxidation

York 025-32570-000 Potentiometer 320734-701 the 100281080 kit includes allThe York 025 32570 000 Potentiometer is a precision engineered 2500 Ohm resistance component designed for demanding industrial HVACR applications. This OEM York replacement part serves as a critical feedback device, typically utilized for chiller slide valve position sensing and actuator modulation. Reliable voltage division is essential for maintaining accurate compressor control and preventing system hunting. The S1 025 32570 000 is built to