Zero Pressure Differential: Operating as a direct-acting valve

How do I know if my York limit switch is bad

The unit utilizes a 1/2" x 3 3/4" shaft and is designed for CCW rotation (Counter-Clockwise) as viewed from the lead end

It slides directly into the precision-machined teeth of size 6 Sure-Flex Plus flanges

Lochinvar & A.O. Smith 100076244 Rod 326070-701 Zero Pressure Differential: Operating asThe Lochinvar & A. O. Smith 100076244 Ignitor Rod is a critical OEM replacement component designed for high efficiency tankless water heater ignition systems. As a veteran grade HVAC replacement part, this rod ensures a reliable spark for the main burner, preventing the common "no heat" calls associated with electrode degradation or carbon fouling. This specific ignitor electrode is engineered for precision fitment in A. O. Smith T KJR models and