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The Weil McLain 511-330-088 Control Board is a genuine OEM integrated replacement designed specifically for high-efficiency hydronic systems
Built for high physical and thermal strength
such as cracked elements or loss of continuity
Always verify the specific furnace blower housing dimensions and part number in the equipment's technical manual
utilizing this genuine Rheem-Ruud SP12049E ensures factory-spec impedance and response times
Trane CTR1978 Contactor 321042-401 The Weil McLain 511-330-088 ControlThe Trane CTR1978 Contactor is a heavy duty 3 pole magnetic contactor designed for reliable load switching in commercial and residential HVACR systems. Engineered with a 24V coil, this high performance component manages power distribution to compressors and condenser fan motors, ensuring stable electrical contact under high cycle conditions. It serves as a direct replacement for many OEM Trane heating and cooling parts, maintaining the electrical
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