Lochinvar & A.O. Smith 100233544 Bottom 318973-401 including the specific 5/8-inch bore

including the specific 5/8-inch bore requirement

engineered to convert 120Vac input voltage to a consistent 24Vac secondary voltage

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

Designed as a professional-grade pilot igniter kit

Lochinvar & A.O. Smith 100233544 Bottom 318973-401 including the specific 5/8-inch boreThe 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