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Environmental Resilience: NEMA 4X rated housing ensures internal components are shielded from moisture and corrosive elements
soot accumulation
Common indicators include excessive bearing noise (grinding or screeching)
A dedicated sensitivity adjusting screw allows technicians to fine-tune flow and no-flow setpoints in the field
Lochinvar & A.O. Smith 100112851 Ignitor 321894-709 Environmental Resilience: NEMA 4X ratedThe Lochinvar and A. O. Smith 100112851 Hot Surface Ignitor serves as a critical direct replacement component for high efficiency commercial boilers and water heaters. Engineered to withstand extreme thermal cycling, this silicon nitride ignitor provides reliable ignition for burner assemblies by reaching precise temperatures required for combustion. Technicians should note that the 100112851 replaces the 100165937 and is compatible with various