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Stainless Steel Category 3 Vent Firestop Flashing

Item #: VH
Price: $37.00
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    Availability: In Stock - Usually ships in 1 to 2 days.
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    Firestop flashings are recommended for venting through combustible walls less than 4" thick. The stainless steel heater vent pipe and fittings feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. All pipe and fittings are UL1738 approved for category II, III and IV venting applications.

    Category 3 Gas Heater Vent Pipe and Fittings
    What is UL 1738? In short, it is a US standard for gas venting systems required in category 3 applications. Category 3 refers to positive vent pressure which is created by exhaust blowers in unit heaters. These vent systems must be constructed of AL29-4C® stainless steel, contain gaskets for sealing, and have a built in mechanical locking band among other requirements. All category 3 vent pipe and fittings offered are single wall.

    Features
    • Made of AL29-4C® super-ferritic stainless steel
    • Built-in high temp silcone gaskets for air tight seal
    • Built-in locking band to insure a secure fit (no hardware needed)
    • UL1738 approved for category 3 venting applications
    • Limited lifetime warranty

    Item # VH 4650140, 4651140, 4651345

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    ACF Greenhouses
    380 Greenhouse Drive
    Buffalo Junction, Virginia 24529
    1-888-888-9050 toll free

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