the MTZ series with POE oil is generally required

which leads to motor bearing failure

this motor typically utilizes a 5 MFD / 370V run capacitor

What is the difference between this and a standard Natural Gas orifice

While this is an OEM York part

Lochinvar & A.O. Smith 100111644 Ignitor 321042-401 the MTZ series with POEThe 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