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Environmental Protection: The NEMA 4X rating offers excellent resistance to corrosion and water ingress
Machined from high-grade heavy-duty brass consisting of 65% copper and 35% zinc
and temperatures up to 250°F
This 1/2 HP model is pre-charged with POE oil
Lochinvar & A.O. Smith 100109941 Ignitor 321142-301 Environmental Protection: The NEMA 4XThe Lochinvar & A. O. Smith 100109941 is a high grade Hot Surface Ignitor (HSI) engineered for precision ignition in high efficiency commercial and residential water heaters. This silicon carbide ignitor serves as the direct OEM replacement part for legacy numbers 9004566105 and 9004566115. Designed to withstand extreme thermal cycling, this component ensures reliable burner light off in Lochinvar Knight and A. O. Smith Cyclone series units. The
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