DESCRIPTION FOR ORDERING
First two numbers — Designates air terminal diameter
Second two numbers — Designates air terminal length
Prefix A — Designates Aluminum
Prefix C — Designates Copper
Suffix ST — Designates Safety Tipped
Suffix X_ _OS — Designates offset in point
Field bends are permissible but must not exceed 90 degrees or have a radius of bend less than 8 inches.
Example:
First two numbers — Designates air terminal diameter
Second two numbers — Designates air terminal length
Prefix A — Designates Aluminum
Prefix C — Designates Copper
Suffix ST — Designates Safety Tipped
Suffix X_ _OS — Designates offset in point
Field bends are permissible but must not exceed 90 degrees or have a radius of bend less than 8 inches.
Example:
A1224X4OSAluminum 1/2″ X 24″ with 4″ offset
Air Terminals are made of solid Aluminum or Copper in one solid length, off set to your specifications. Please provide your exact requirements. Off Set Air Terminal was last modified: January 12th, 2026 by