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4 in. B-Vent Trim Collar

4 in. B-Vent Trim Collar

Article Number:
  • $ 529


1 in. minimum clearance from combustible materials . Use with gas or propane burning appliances only . Maximum temperature of flue gas 470°F . Use with factory supports and fire-stop spacers . UL listed . Consult your local building codes for approved installation practices

Attic Insulation Shield for Class B gas appliance venting system. It's designed to be used when the venting goes through a ceiling. It prevents insulation from seeping between the venting outer walls, keeping a 1 in. distance from combustibles such as insulation.

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