Heil Quaker ICP 1172533 Ignitor the Yellow Jacket 49002 is

the Yellow Jacket 49002 is compatible with any manifold set that accepts a standard 1/8 inch NPT connection

making it suitable for a wide range of standard water heating units

While optimized for the T-4000 Series

This surface mount limit switch is engineered for high-temperature durability in industrial heating equipment

Featuring a compact 1-1/2 inch diameter face

Heil Quaker ICP 1172533 Ignitor the Yellow Jacket 49002 isWhen you are out on a service call and finding an open circuit on a Heil Quaker ICP 1172533 Ignitor, you need a direct OEM replacement that matches the original furnace sequence of operation. This 120V Hot Surface Ignitor (HSI) is a critical component for ensuring reliable burner ignition in 80% and 90% AFUE gas furnaces. Engineered for high temperature resistance, this Silicon Nitride ignitor replaces older, more fragile silicon carbide versions,