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The Lennox 33M14 Heat Exchanger is a heavy-duty high heat aluminum heat exchanger assembly engineered for reliable thermal transfer in 10-to-20-ton LGB120 and LGB240 series rooftop units
For heat pump systems requiring bidirectional filtration
Complete Kit: Includes the flue sensor grommet to prevent exhaust bypass and maintain a secure seal in the manifold
preventing cross-contamination between the heating and cooling cycles
also identified as the STAS-485-T
Heil Quaker ICP 34332903 Limit Switch 340793-762 The Lennox 33M14 Heat ExchangerUpgrade your system restoration with the Heil Quaker ICP 34332903 Limit Switch, a precise OEM replacement furnace part engineered for high demand heating applications. This high limit safety switch features a 3 inch probe insertion depth, designed to monitor internal plenum temperatures with industrial accuracy. Operating with a 170 190? F temperature range, it functions as a critical L190 20F limit control, ensuring the blower assembly and heat
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