Lennox 617359-02, Muffler Kit, 3 Inch
Cat # : 16A56
Model/Part # : 617359-02
This product is used in several different models.
Quantity:
Product Overview
3 Inch Exhaust Muffler For 90% Efficiency Gas Furnaces
This muffler has been approved for -100 and -110 models with 30 ft up to a maximum 125 ft vent length and all -135 models. This is the only 3” muffler approved by Lennox. Muffler MUST NOT be installed in areas subjected to temperatures below freezing without use of heat tape or insulation.