IZI1

Expandable Flex Connector

‎4.7/5
52 reviews
Home Depot
USD 84.61

at Home Depot

Updated: Oct 30, 2026

About this item

The Model 3EF3HD Expandable Flex Connector is designed for use with gas-fired appliances equipped with draft hoods and other appliances listed for use with Type B Gas Vent. Single Wall Expandable-Flexible Gas Vent Connector (EFC) offers a simple connection between appliance and Type B vent. UL listed and only requires 1 in. minimum airspace clearance to combustibles and has multiple applications, can be for single vent or combined vent.

  • Features
    • For gas appliances w/ draft hoods; for use with Type B Vent
    • Flex Gas Vent Connector simplifies install; no elbows needed
    • Expands 2-3.5 ft. or 2.5-5 ft.; flexible and easy to install

Specifications

Material

Aluminum, Galvanized Steel

Pack Size

3

Manufacturer Warranty

Limited Lifetime warranty

Product Depth (in.)

4.25 in

Product Height (in.)

12.75 in

Product Width (in.)

3.917 in

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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