System Efficiency: Restores factory-spec gas/air mixing to prevent fuel waste and excessive flue gas temperatures

System Compatibility: Validated for use in Lennox CBX32MV and CB31MV series air handlers

supporting capacities up to 6

If the inducer motor is not reaching the required RPM or the housing is blocked

or a capacitance reading outside the ±5% or ±10% tolerance range during professional testing

Advanced Distributor Products 76709100 Flue Box R-134A System Efficiency: Restores factory-spec gas/airThe Advanced Distributor Products 76709100 Flue Box is a precision engineered OEM replacement part designed to safely manage and exhaust high temperature combustion gases. Built for rugged durability in demanding environments, this HVAC flue box facilitates optimal air circulation and prevents overheating within industrial and commercial ventilation systems. By efficiently directing exhaust away from the heat exchanger, the ADP 76709100 helps maintain