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this 550001927 pilot assembly includes the necessary LP orifice (PB00208 / H/W 390686-36)
With a functional pressure range of 10" Hg to 100 psi and an adjustable 10 psi differential
Its 2-wire configuration significantly reduces cabling requirements and commissioning time for contractors managing large-scale HVAC current sensing projects
as the old coil is not compatible with the new valve body
Enhanced System Protection: Acts as a critical high pressure limit switch to protect the compressor from over-pressurization
Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 this 550001927 pilot assembly includesThe Lochinvar & A. O. Smith 100297134 Flame Sensor is a critical genuine OEM replacement part engineered for precision flame rectification in high efficiency gas fired systems. Designed for use in Lochinvar boilers and A. O. Smith water heaters, this sensor monitors the burner flame to ensure the ignition control module receives a continuous microamp signal. If the flame signal is lost or carries high resistance, the system initiates a safety lockout