BASO Y75AS-2 Flame Sensor The York S1-2940-3571 utilizes a

The York S1-2940-3571 utilizes a thermal element to trigger internal switches

Common Questions Can I use a stainless steel burner instead of this aluminized version

125 inches in length—ensure a proper fit within the regulator adjustment stack

though ensure the damper motor is de-energized before adjusting the damper door spring tension

Its robust construction minimizes mechanical play

BASO Y75AS-2 Flame Sensor The York S1-2940-3571 utilizes aThe BASO Y75AS 2 is a high performance flame sensor replacement kit designed to provide precise flame rectified signal detection for residential and commercial gas fired equipment. As an essential safety component, this sensor ensures the ignition module or furnace control board accurately identifies the presence of a pilot or burner flame, preventing hazardous unburned gas buildup. This Y75AS 2 model serves as the direct 62 20719 01 cross reference,