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While designed as a Bunn aftermarket part
Compact M-Series Housing: Small physical dimensions allow for easy integration and replacement in space-constrained appliance housings
Does this switch come with new tubing
providing a fail-safe for systems without a common wire
When dealing with pressure switch errors or seized blower wheels
Lochinvar & A.O. Smith 100277784 Impeller 30067439-890 While designed as a BunnThe Lochinvar & A. O. Smith 100277784 Impeller is a critical OEM replacement part engineered for high recovery commercial water heaters and industrial boiler systems. As the professional grade successor to the legacy 100133556 part number, this centrifugal pump impeller ensures precision fluid dynamics and optimal head pressure within the heat exchanger circuit. Built to withstand the rigorous cycling of hydronic heating equipment, the 100277784
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