While originally shipped with mineral oil for R22

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

This model is the primary volume replacement for the Carrier 36G24-618P1 and EF32CW210 series

Manual Summer Switch: Integrated lever allows for manual fan activation for seasonal air circulation without changing the primary heating settings

utilizing the Mammoth 9919000302 ensures a direct fit

Rheem-Ruud AS-108840-19 Heat Exchanger Assembly 319852-301 While originally shipped with mineralThe 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