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Discount Details

  • The promo code 290240 must be entered on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $250 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax, & shipping.
  • Promo code not valid on prior purchases or on Honda & Stihl products, and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited time offer. Subject to change without notice.

Product Summary

The DuraVent Support Box is designed to provide reliable and sturdy support for chimney installations in various ceiling types, including flat, vaulted, and cathedral ceilings. Measuring 8 inches in diameter and 24 inches in height, this support box is constructed from high-quality galvanized steel, ensuring durability and long-lasting performance. Ideal for maintaining proper chimney alignment and stability, it accommodates different ceiling configurations with ease. This support box is an essential component for safe and efficient chimney installations, offering robust support and compatibility with diverse architectural designs.

What's Included

    (1) Support Box 36" Height

Features + Benefits

  • Starter section built in
  • All decorative trim parts are included
  • Ceiling support box is factory painted black
  • DuraPlus is designed to stay cool on the outside, provide a hot draft on the inside, boost stove efficiency, and provide for a fire-safe design that protects both the chimney and the building. This triple-wall chimney features two insulating layers—refractory blanket plus air space. Designed for normal, continuous operation at 1000 degrees F flue gas temperatures, DuraPlus is subjected to rigorous and strongest HT requirements of the UL standard.

Key Specs

AttributeSpecification

item#

4840306

Brand

DuraVent

Manufacturer's Warranty

No limited warranty

Ship Weight

14.48 LB

Included (qty.)

1

Material

Galvanized Steel
AttributeSpecification

Length

14.25 in

Height

11 in

Capacity

9.28 lb

Product Weight

14.4800 lb

Dimensions L x W x H (in.)

14.25 x 14.25 x 24.0 in

Warranty

Manufacturer's Warranty

No limited warranty