This manual reset control ensures system safety by cutting the circuit when pressure exceeds the 10-50" W

Industrial Build Quality: Features a Class B insulated motor and durable housing for high-cycle reliability

Verify the bonnet dimensions before ordering to ensure proper valve linkage alignment

Professional Grade Hardware: Includes all necessary coil support rails and high-grade foam seals required for a leak-proof installation

Multi-Ignition Support: Optimized for HSI

Lochinvar & A.O. Smith 100145466 Tile 323080-701 This manual reset control ensuresProfessional contractors recognize that high efficiency combustion requires a perfectly sealed chamber. The Lochinvar & A. O. Smith 100145466 Rear Head Side Heat Tile is a high density ceramic fiberboard insulation component specifically engineered for Lochinvar Copper Fin II and A. O. Smith HWB HW commercial boilers and water heaters. As a veteran grade OEM replacement part, it ensures the rear head section of the heat exchanger maintains critical