Lochinvar & A.O. Smith 100109726 Lower Probe 321042-401 669554R is the direct replacement

669554R is the direct replacement for 669554

This automatic float drain valve is essential for protecting downstream components from moisture-related corrosion and ensuring the longevity of your air compressor system

this SKU (334600) consists of the fitting set only and is intended as a replacement part or installation accessory for the control unit itself

Rotate the minute hand clockwise until the current time aligns with the silver triangle indicator on the inner dial

Is a manometer required for the conversion

Lochinvar & A.O. Smith 100109726 Lower Probe 321042-401 669554R is the direct replacementThe Lochinvar & A. O. Smith 100109726 Lower Probe is a precision engineered OEM replacement part designed for high efficiency commercial water heaters, specifically the Cyclone Mxi series (BTH 120 300). As a critical water heater temperature sensor, this lower probe assembly provides real time thermal data to the control board, allowing for precise HVAC temperature control and modulation. Operating within the lower tank section, it monitors the