Lochinvar & A.O. Smith 100233544 Bottom 318973-401 ensuring the compressor only shuts

ensuring the compressor only shuts down when a genuine lubrication issue is detected

Smith and Lochinvar units while meeting the strict pressure and temperature requirements of professional plumbing applications

including the specific 5/8-inch bore requirement

we recommend annual replacement

Lochinvar & A.O. Smith 100233544 Bottom 318973-401 ensuring the compressor only shutsThe 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