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Integrating this Copeland compressor part into your service call ensures motor starting torque is optimized without the risk of mismatching capacitance
Engineered for standard round dual run capacitor replacements
It features a broad multi-voltage input range of 10V-30V AC/DC or 120V AC
the 310451 is compatible with high-performance McDonnell & Miller FS4-3 series
Nordyne 621678R Sequencer Integrating this Copeland compressor partThe Nordyne 621678R Sequencer is a critical OEM replacement part engineered for professional grade timing control in electric furnaces and air handlers. As a genuine 2 stage, 3 pole sequencer, this component manages the staggered activation of heating elements to prevent excessive current draw and line voltage drops that can trip breakers. Whether you are performing a Nordyne furnace repair or a proactive maintenance swap, the 621678R provides the
