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AMERI-VENTAdapters

AMERI-VENT Round to Oval Duct Transition: 4 in Duct, 6 7/8 in Lg, Steel, 4 in Inlet Dia

The AMERI-VENT Round to Oval Duct Transition is a universal adapter for transitioning from a 4-inch round duct to a 4-inch oval duct. It is constructed from steel with a galvanized finish and features an outer…

SKU 3G-OTH-77154

Brand
AMERI-VENT
Item
Round to Oval Duct Transition: 4 in Duct, 6 7/8 in Lg, Steel, 4 in Inlet Dia
Category
Adapters
Available to Order
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Technical Specifications

AMERI-VENT
Manufacturer Part Number
40E
Type
Steel, 26 ga
Material
Steel
Lg
6 7/8 in
Finish
Galvanized
Inlet Dia
4 in
Outlet Dia
4 in
Product Type
Universal Adapter
Vent Material
Outer Galvanized Steel w/ Inner Aluminum Liner
Connection Type
Interlocking Bracket
View Full Spec Sheet

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AMERI-VENT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMERI-VENT Round to Oval Duct Transition is a universal adapter for transitioning from a 4-inch round duct to a 4-inch oval duct. It is constructed from steel with a galvanized finish and features an outer galvanized steel vent material with an inner aluminum liner. The adapter measures 6 7/8 inches in length, uses a 26-gauge thickness, and connects via an interlocking bracket.

Used in

Common applications for AMERI-VENT
Commercial boiler venting — AMERI-VENT gas vent pipes and adapters for Category I exhaust systems
Industrial furnace exhaust — AMERI-VENT flex connectors in 316 stainless steel for high-temperature all-fuel venting
Water heater venting — AMERI-VENT rain caps and tees for rooftop termination and branch connections
Heating system retrofits — AMERI-VENT adjustable joint pipes for field-length customization in existing flues
Pitched roof venting — AMERI-VENT rectangular-base boots for weatherproof pipe penetration on sloped roofs

AMERI-VENT Products

3G Electric supplies AMERI-VENT adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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