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Operating on a reliable 120V/60Hz AC power supply
facilitating faster component swaps without the need for repetitive brazing on the compressor housing
For rail-mounted applications
669554R is the direct replacement for 669554
Lochinvar & A.O. Smith 100109726 Lower Probe 321042-401 Operating on a reliable 120V/60HzThe 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
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