Lochinvar & A.O. Smith 100233544 Bottom 318973-401 Designed as a professional-grade pilot

Designed as a professional-grade pilot igniter kit

This Rheem expansion valve features 3/8" x 3/8" connections

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

This high-grade industrial HVAC blower shaft is a precision-engineered OEM replacement part measuring 1 inch in diameter by 19 inches (some configurations may vary to 21-1/2 inches depending on the specific 1360 blower assembly)

Lochinvar & A.O. Smith 100233544 Bottom 318973-401 Designed as a professional-grade pilotThe 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