Lennox 17F21 Collector Box 320734-701 It is designed to replace

It is designed to replace the entire pilot head assembly to ensure the flame sensor and ignition source are correctly positioned

Reliable Pressure Calibration: Ensures the equipment operates within the specific W

or visual signs like "mushrooming" and oil leakage from the top terminal plate

Built with premium materials to resist carbon buildup and thermal stress

If power is present but the LCD remains inactive

Lennox 17F21 Collector Box 320734-701 It is designed to replaceThe Lennox 17F21 Collector Box is a critical OEM component designed for high efficiency condensing furnaces, specifically the Lennox EL296 series. As a veteran grade furnace replacement part, this collector box (also referenced by part number 619598 21) is engineered to manage the secondary heat exchanger's condensate flow. It effectively captures and channels corrosive water vapor away from the internal cabinet to prevent moisture damage and ensure