Verify your specific heater model compatibility and wiring harness pinouts before installation to ensure seamless integration with existing high-limit switches and ignition modules

this unit is designed to manage flue gas discharge effectively

Common Questions: Which Lennox models are compatible with the 25W88 Plate-Corbel

The MT0150M includes factory-mounted fuse clips on the secondary side

utilizing the Mammoth 9919000302 ensures a direct fit

Rheem-Ruud AS-108840-19 Heat Exchanger Assembly 319852-301 Verify your specific heater modelThe Rheem Ruud AS 108840 19 Heat Exchanger Assembly is a critical stainless steel OEM replacement designed to restore thermal efficiency in high performance residential gas furnaces. Built for rigorous duty cycles, this direct replacement heat exchanger utilizes specialized metallurgy to resist stress corrosion cracking and oxidation in Rheem and Ruud HVAC systems. For technicians performing critical furnace repairs, this assembly ensures precise