12K50 | 6 TUBE HEAT EXCHANGER | Lennox Product Type_1 Stage Slow Opening **Shop our HVAC supply store

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it can handle demanding environments

5" water column capacity

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3 and 4: 6 psi max operation

12K50 | 6 TUBE HEAT EXCHANGER | Lennox Product Type_1 Stage Slow Opening **Shop our HVAC supply store**Lennox NCO 12K50 6 Tube Heat Exchanger** The Lennox NCO 12K50 is a robust heat exchanger designed for use in demanding industrial environments. Its rugged construction features a rolled steel frame and aluminum flange, providing exceptional durability and corrosion resistance. The NCO 12K50 boasts a six tube design, maximizing heat transfer efficiency while minimizing pressure drop. Its optimized tube geometry ensures even distribution of