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Lennox 87H90 - 190F Limit, 40F Differential
87H90 is an official OEM 190F Limit, 40F Differential for Lennox HVAC equipment
Lennox 87H90 - 190F Limit, 40F Differential
87H90 is an official OEM 190F Limit, 40F Differential for Lennox HVAC equipment