Lochinvar & A.O. Smith 100233544 Bottom 318973-401 Smith and Lochinvar units while

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

we recommend annual replacement

Designed as a professional-grade pilot igniter kit

This 914-0036-07 model typically comes with a resistor to dissipate stored energy

Lochinvar & A.O. Smith 100233544 Bottom 318973-401 Smith and Lochinvar units whileThe 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