Built with a rugged ASTM B584 bronze body and spring cage

preventing loose wires from contacting moving blower parts

Proper seating of the bracket is essential to ensure responsive heat transfer and to avoid nuisance tripping

Attempting to bore out the hub or force-fit it will compromise the balance and integrity of the assembly

Compare the Ohms reading against the York temperature-resistance chart for the S1-025-41274-000 model to identify any significant deviations or open circuits

Lennox 70L55 Ignitor Assembly 30067439-890 Built with a rugged ASTMThe 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