Durable Construction: Built to withstand constant thermal cycling common in residential and light commercial air handlers

you can install a jumper wire across one pole to mimic the "constant hot" behavior of a single-pole shunt

which leads to motor bearing failure

High-Temp Performance: Rated to withstand 350°F

While this is an OEM York part

Lochinvar & A.O. Smith 100111644 Ignitor 321042-401 Durable Construction: Built to withstandThe Lochinvar & A. O. Smith 100111644 Ignitor is a critical OEM component designed for high efficiency gas fired systems, specifically engineered for the GDHE 50 water heater series. As a veteran grade hot surface ignitor, this part utilizes a robust heating element to ensure rapid, dependable ignition of the gas burner. When troubleshooting "no heat" calls or ignition failure codes, verify the resistance of the existing element; a cracked or high