The York S1-025-26392-002 Rollout Switch is a critical safety component engineered for HVAC burner assemblies to monitor for flame rollout conditions

ensuring seamless mechanical fitment and electrical compatibility without the need for field modifications

System Protection: Actively prevents heat-related damage to the compressor and sensitive internal electronic controls

effectively reducing shaft bearing fatigue and preventing premature structural wear

If the switch opens at 150°F

Nordyne 621679R Sequencer The York S1-025-26392-002 Rollout SwitchThe Nordyne 621679R Sequencer is a critical 2 stage, 4 pole heat sequencer engineered for precise load management in Intertherm, Miller, and Nordyne electric furnaces. This authentic OEM Nordyne part is vital for preventing circuit breaker trips by staggering the activation of heating elements. By utilizing two independent control coils, it sequences four poles to ensure bank 1 energizes on the first stage call, followed by all four poles during a