Lennox 70L55 Ignitor Assembly Els PW 17895 How do I test if

How do I test if this SPNO switch is functioning

this shaft provides a direct fit for Lennox high-efficiency blowers found in KCA

ensuring a high degree of durability and resistance to fouling from line debris

High-Flow Capacity: The 5/8" orifice allows for increased Cv values

Enhanced Safety: Effectively prevents the escape of combustion gases

Lennox 70L55 Ignitor Assembly Els PW 17895 How do I test ifThe Lennox 70L55 Ignitor Assembly is a critical OEM replacement component designed for high efficiency gas furnaces. A veteran technician knows that a cracked or fouled ignitor is the most common cause of "no heat" calls. This hot surface ignitor (HSI) features a robust silicon carbide or nitride construction to withstand the thermal stress of rapid heating cycles. Engineered to 120V AC specifications, it provides the precise resistancetypically