What is the difference between the wiring of 4 pipe fan coil unit and 2 pipe fan coil unit?
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What are Differences between 2 pipe and 4 pipe fan coil?
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First Company 600 CFM 4-Pipe Horizontal Fan Coils (Uncased) | 3 Row Chilled Water Cooling | 1-Row Hot Water Heating | Right Hand Conn. | 10 in. H x 40 1/8 in. W x 21 in. D | 115/1/60 (6HBC-31RH)
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2 Pipe vs 4 Pipe Fan Coil
