Lennox 17F57 Collector Box 340793-762 it is standard practice to

it is standard practice to inspect or replace the mounting gasket to ensure a gastight seal against the heat exchanger plate

or the tank failing to reach the set temperature

The /U indicates "universal" or retail packaging

This internal configuration responds to the density difference between steam and condensate

Quiet Operation: Engineered to minimize vibration and noise during the furnace start-up sequence

Lennox 17F57 Collector Box 340793-762 it is standard practice toWhen you're dealing with a cracked or clogged 619598 52 collector box, you risk secondary heat exchanger damage and furnace pressure switch trips. This Lennox 17F57 is the genuine OEM cold end header box kit specifically engineered for ML195 series and high efficiency condensing furnaces. As a Lennox furnace replacement part, it handles the critical task of managing corrosive condensate before it reaches the inducer motor. This condensate collector