AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 2.5 ft Overall Ht
The AIR PRODUCTS AND CONTROLS Sampling Tube (MPN STN-2.5) is a UL-listed duct-mount air sampling tube for fire alarm systems, with a 2.5 ft overall height and 6 in overall width.
SKU 3G-OTH-547287
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Product Description
The AIR PRODUCTS AND CONTROLS Sampling Tube (MPN STN-2.5) is a UL-listed duct-mount air sampling tube for fire alarm systems, with a 2.5 ft overall height and 6 in overall width.
Frequently Asked Questions
What is the AIR PRODUCTS AND CONTROLS STN-2.5 sampling tube used for?
The AIR PRODUCTS AND CONTROLS STN-2.5 is a UL-listed duct-mount sampling tube designed for fire alarm systems. It draws air from HVAC ducts to detect smoke or combustion particles, enabling early warning in commercial and industrial facilities.
What are the specifications of the AIR PRODUCTS AND CONTROLS STN-2.5 sampling tube?
The STN-2.5 has a 2.5 ft overall height and 6 in overall width. It is UL-listed and mounts directly in a duct. The manufacturer part number is STN-2.5, and it is made by AIR PRODUCTS AND CONTROLS.
Where to buy the AIR PRODUCTS AND CONTROLS STN-2.5 sampling tube worldwide?
3G Electric supplies the AIR PRODUCTS AND CONTROLS STN-2.5 sampling tube worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this UL-listed duct-mount tube to your facility, wherever it is located.
How to install the AIR PRODUCTS AND CONTROLS STN-2.5 sampling tube in a duct?
Install the STN-2.5 by cutting a hole in the duct wall, inserting the tube so the sampling holes face airflow, and securing the mounting flange. Follow NFPA 72 guidelines and the manufacturer's instructions for proper spacing and sealing to ensure reliable fire alarm system performance.
AIR PRODUCTS AND CONTROLS Products
3G Electric supplies AIR PRODUCTS AND CONTROLS air sampling tubes for fire alarm systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.








