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<b>Williams Vent Adapter 9399 For Models 1773511, 2903511, 2903512</b><br><br>The vent adapter is used to compensate for the extra space left around the vent hole when replacing a furnace with a larger vent opening. It can also be used to extend the flue terminal on homes with vinyl siding so that the vent cap lies flush against the edge of the siding.<br><br>

Williams Vent Adapter 9399 For Models 1773511, 2903511, 2903512

vent-adapter-9399-for-models-1773511-2903511-2903512

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