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This #43 burner orifice features a
or if the fan runs continuously regardless of the heat cycle
covering typical residential and light commercial heating loads
Conversion from a standard motor may require additional components
Lochinvar & A.O. Smith 100144992 Fan Assembly 320788-702 This #43 burner orifice featuresThe Lochinvar & A. O. Smith 100144992 Fan Assembly is a critical OEM replacement part designed for high efficiency commercial boilers and water heaters. This 115V blower motor assembly manages precise combustion air delivery, featuring a 1 2 HP motor balanced for high static pressure applications. Operating at a fixed 1650 RPM, it ensures stable manifold pressure and optimal heat exchanger performance. This unit is the direct manufacturer mandated
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