This part is the standard Knight boiler system sensor used in WHN

Built with a 22-inch diameter and a robust 4-blade aluminum configuration

Vibration Reduction: Minimizes mechanical resonance

The 30067829-200 is built to accommodate standard spring-loaded PTFE packing

The assembly utilizes a nickel-plated forged brass body integrated with a 304 stainless steel ball and stem to ensure long-term durability and resistance to scaling

Lochinvar & A.O. Smith 100109221 Piezo Ignitor 322056-301 This part is the standardThe Lochinvar & A. O. Smith 100109221 Piezo Ignitor with Bracket Assembly is the direct OEM replacement ignitor for residential and commercial water heaters. This high performance component is the updated version for 9003410115, engineered to provide a consistent high voltage spark for gas burner ignition. Designed for Lochinvar and A. O. Smith water heater repair, it includes the integral mounting bracket assembly to ensure proper electrode alignment