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Manual Override: Includes a "set and hold" manual mode
and safety shut-off protocols
This board is widely used in Raypak Fast Response series heaters and boilers
the internal relay or circuitry has likely failed
this factory-authorized part ensures precise integration with Carrier and Bryant control boards
Lochinvar & A.O. Smith 100187881 Ignitor Assembly 326058-757 Manual Override: Includes a "setThe Lochinvar & A. O. Smith 100187881 Ignitor Assembly is a critical OEM replacement part engineered for high efficiency commercial gas water heaters, specifically the BTH, SUF, and HCG series. As a veteran grade spark ignitor assembly, this component ensures precise ignition timing in 300, 400, and 500 MBH models, as well as 200 201 series units. When troubleshooting water heater ignition failure, the 100187881 is the primary solution for restoring