The NCUC36BT5S is a 3-ton evaporator coil engineered for reliable performance with R-454B refrigerant and factory-installed detection system sensor. Built with durable aluminum alloy tube and fin construction tested to 500 hours of salt spray, this coil features pre-formed flanges for quick alignment with matching furnaces and longer service valve connections to accommodate mechanical or brazed installations. An antimicrobial drain pan helps reduce mold and mildew growth, while a ten-year limited warranty provides extended protection when registered.