Exchange heat with this genuine OEM heat exchanger, part number 10M42, designed for select Lennox appliance.
Grid is 1 inch square
  Heat Exchanger 10M42
Manufacturer Part

Heat Exchanger 10M42

Genuine OEM Part # 10M42RC Item # 3437187Alternative Part Number(s)
Manufacturer Part
Exchange heat with this genuine OEM heat exchanger, part number 10M42, designed for select Lennox appliance.
Grid is 1 inch square
  Heat Exchanger 10M42
$431.05
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Exchange heat with this genuine OEM heat exchanger, part number 10M42, designed for select Lennox appliance.
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$431.05
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Alternative Part Number(s)

Replaces Part Number 605731-22