Supco FLS700 4in Straight Furnace Flame Sensor Replacement

The Supco FLS700 flame sensors can replace many of the popular sensors in today's furnaces that use hot surface or direct spark ignition systems. Features For Hot Surface Ignition (HSI) systems Mount on multiple burners, or adjacent to igniter Use with spark ignition and flame sensing Alumina ceramic insulator Kanthal flame rod material can withstand 1800°F See Product Sheet F587 in Downloads section for additional X-refs