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This 4-tube exchanger is primarily compatible with 3-ton Trane and American Standard packaged units
hydronic heating loops
delivering a consistent 1000 RPM across 4-speed taps to ensure optimal airflow modulation
providing the reliable time-delay switching necessary for sequencing heating elements or controlling auxiliary heat in heat pump applications
though the universal design also supports duct mount applications using common hardware
Schneider Electric (Square D) LC1D09B7 Contactor 318423-701 This 4-tube exchanger is primarilyThe Schneider Electric LC1D09B7 TeSys D Contactor is a robust 3 pole non reversing contactor designed for reliable motor control in HVACR and industrial automation systems. This unit operates on a 24V AC 50 60Hz coil and is rated for 9 Amps (AC 3) at 440V, making it ideal for inductive loads. Featuring a compact 45mm width, it integrates seamlessly into standard DIN rail or plate mounting configurations. The LC1D09B7 comes standard with 1 NO (Normally