Lennox 64J12 Collector Box Assembly 322838-752 Whether managing heat exchangers or

Whether managing heat exchangers or main line steam distribution

System Versatility: High close-off pressure ratings ensure performance in high-rise and high-head pressure environments

eliminating common lockout issues associated with worn-out or corroded pilot orifices

Key Benefits High-Flow Capacity: The 3/4-inch orifice facilitates significant flow rates required for commercial burners and complex HVACR setups

Lennox 64J12 Collector Box Assembly 322838-752 Whether managing heat exchangers orThe Lennox 64J12 Collector Box Assembly (Model LB 66579C) is the critical OEM replacement cold end collector box for legacy high efficiency furnaces. Designed as a direct swap for Lennox G26, 90UGF, and G32 series units, this genuine HVAC replacement part is identical to the 64J1201 catalog number. It functions by sealing the secondary heat exchanger's exit point to manage the transition of corrosive combustion condensate and exhaust gases toward the