System Compatibility: Explicitly designed as a direct York OEM replacement to maintain original equipment specifications

Does this include the manifold

verify the differential pressure at the switch ports using a manometer

Engineered for damper linkage conversions

a specialized vent extension kit is required to ensure proper flue gas discharge

Lochinvar & A.O. Smith 100097250 Flame Sensor 321894-708 System Compatibility: Explicitly designed asAs a veteran tech, you know that a systematic lockout on a high efficiency boiler or water heater often points directly to a fouled or failing Lochinvar & A. O. Smith 100097250 Flame Sensor. This genuine OEM PSE GW1 flame sensor is a mission critical component designed for precise flame rectification. It accurately monitors the microamp signal produced by the burner's ionized gas, ensuring the ignition module maintains the gas valve circuit only when