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Lennox Furnace Gas Burner & Control Valve Parts
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Heat Exchanger 54K42
Heat Exchanger 54K42
Item #2716791 | Lennox OEM Part #54K42
Heat exchanger
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365-Day Return Policy
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$706.60
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Heat Exchanger 54K42 Part Fits
Replaces Part Number 54K43
Replaces Part Number LB-79081Y
Replaces Part Number LB-79081X
Heat Exchanger
$706.60
On Order
Add to Cart