Lochinvar & A.O. Smith 100233544 Bottom 326010-701 the 100109867 is specifically calibrated

the 100109867 is specifically calibrated for Liquid Propane (LP) with a 10" WC pressure setting

or a failing venter motor that isn't pulling enough WC (Water Column) pressure to meet the switch's set point

it is best practice to pair this control with a C554A Cadmium Sulfide Flame Detector to ensure the sensing circuit receives the accurate resistance readings it requires for the 45-second safety window

this permanent split capacitor (PSC) motor features a three-speed configuration

a blocked flue

Lochinvar & A.O. Smith 100233544 Bottom 326010-701 the 100109867 is specifically calibratedThe Lochinvar & A. O. Smith 100233544 Bottom Insulation is a critical OEM replacement component designed specifically for high efficiency commercial and residential water heaters and boilers. This high density combustion chamber insulation provides essential thermal protection for the unit base, ensuring optimal heat retention and preventing thermal damage to external surfaces. Engineered for compatibility with select A. O. Smith series and Lochinvar