the T-4002-303 streamlines the retrofitting process by utilizing existing air lines while providing the reliability of a modern single temperature thermostat

ensuring that combustion gases are safely and effectively expelled from the system

ensuring the pressure switch closes to allow the ignition sequence to proceed

This unit is specifically designed for 8-inch flue outlets

With a 1 GPM flow rate and heavy-duty 1/2-inch sweat connections

Lennox 17F19 Collector Box 323080-701 the T-4002-303 streamlines the retrofittingThe Lennox 17F19 Collector Box, also identified as the 619598 20 cold end header box kit, is a critical recovery component for high efficiency condensing furnaces. Designed specifically for the Lennox ML195 series and select 90% AFUE residential units, this OEM furnace replacement part manages the collection and redirection of corrosive condensate from the secondary heat exchanger. Precision engineered to prevent fluid backup into the combustion air