Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

AIR PRODUCTS AND CONTROLS STN-2.5 Air Sampling Tube for Fire Alarm Systems - Air Sampling Tubes for Fire Alarm Systems
AIR PRODUCTS AND CONTROLSAir Sampling Tubes for Fire Alarm Systems

AIR PRODUCTS AND CONTROLS STN-2.5 Air Sampling Tube for Fire Alarm Systems

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

Also listed as: STN25 · STN 2 5 · STN-2-5

Brand
AIR PRODUCTS AND CONTROLS
Item
STN-2.5 Air Sampling Tube for Fire Alarm Systems
Category
Air Sampling Tubes for Fire Alarm Systems
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

AIR PRODUCTS AND CONTROLS
Manufacturer Part Number
STN-2.5
Standards
UL
Overall Ht
2.5 ft
Overall Wd
6 in
Mounting Location
Duct

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

AIR PRODUCTS AND CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from AIR PRODUCTS AND CONTROLS

View all AIR PRODUCTS AND CONTROLS parts
UL-listed air sampling tube for fire alarm systems, designed for duct mounting. Overall height 10 in, width 6 in. Used to extract air samples from HVAC ducts for smoke detection in commercial and industrial facilities
AIR PRODUCTS AND CONTROLS
UL-listed air sampling tube for fire alarm systems, designed for duct mounting. Overall height 10 in, width 6 in. Used to extract air samples from HVAC ducts for smoke detection in commercial and industrial facilities
This duct-mount air sampling tube is used in fire alarm systems to draw air samples from HVAC ducts for early smoke detection. It has a 10 ft overall height and a 6 in overall width
AIR PRODUCTS AND CONTROLS
This duct-mount air sampling tube is used in fire alarm systems to draw air samples from HVAC ducts for early smoke detection. It has a 10 ft overall height and a 6 in overall width
UL Listed air sampling tube for duct mounting in fire alarm systems. Draws air samples from HVAC ducts for early smoke detection. Overall height 33 inches, overall width 2.5 inches
AIR PRODUCTS AND CONTROLS
UL Listed air sampling tube for duct mounting in fire alarm systems. Draws air samples from HVAC ducts for early smoke detection. Overall height 33 inches, overall width 2.5 inches
UL-listed duct-mount air sampling tube for fire alarm systems. Draws air samples from HVAC ducts to detect smoke. Overall height 5 ft, overall width 6 in. Used in commercial and industrial buildings for early fire warning
AIR PRODUCTS AND CONTROLS
UL-listed duct-mount air sampling tube for fire alarm systems. Draws air samples from HVAC ducts to detect smoke. Overall height 5 ft, overall width 6 in. Used in commercial and industrial buildings for early fire warning
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 6 in Overall Ht, 6 in Overall Wd (MPN STS-2.5)
AIR PRODUCTS AND CONTROLS
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 6 in Overall Ht, 6 in Overall Wd (MPN STS-2.5)
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 12 in Overall Ht, 6 in Overall Wd (MPN STS-10.0)
AIR PRODUCTS AND CONTROLS
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 12 in Overall Ht, 6 in Overall Wd (MPN STS-10.0)
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 6 in Overall Ht, 6 in Overall Wd (MPN STS-5.0)
AIR PRODUCTS AND CONTROLS
AIR PRODUCTS AND CONTROLS Sampling Tube: Duct Mount, 6 in Overall Ht, 6 in Overall Wd (MPN STS-5.0)