York S1-025-27747-017 Rollout Switch 326058-756 This unit serves as the

This unit serves as the direct replacement for the legacy 2284-412 and 2284-422 models

The externally equalized design

optimizing combustion efficiency and preventing nuisance flame-outs in variable-load environments

The 048216 is the specific Emerson Alco part number for the EK-306S model

What is the difference between the 20-850 and the older 10-82

York S1-025-27747-017 Rollout Switch 326058-756 This unit serves as theThe York S1 025 27747 017 Rollout Switch is a critical OEM replacement part designed for high limit temperature monitoring in York, Coleman, and Luxaire gas furnaces. This rollout switch is precision calibrated to trip at 350F, effectively breaking the 24V safety circuit to the gas valve if flame rollout or heat exchanger compromise occurs. As a manual reset rollout switch, it requires a physical inspection of the combustion area by a technician