OEM Compatibility: Engineered as a direct fit for Lennox 94H80 and Lennox 94H8001 assemblies

Why is continuous drainage better than intermittent discharge for my heat exchanger

and MPR 5000 series gear train actuators

and smart thermostats without the risk of nuisance trips often associated with undersized 40VA components

Lochinvar & A.O. Smith 100112148 Switch 320788-704 OEM Compatibility: Engineered as aThe Lochinvar & A. O. Smith 100112148 Switch is a critical safety component designed for high efficiency water heaters and boilers. As a normally open pressure switch, it monitors negative air pressure created by the combustion air blower, ensuring the unit only proceeds to ignition once a proper draft is established. This genuine OEM replacement part is engineered to meet 2" WC specifications, providing the precision required to prevent hazardous gas