System Sensor DST1.5 Metal Duct Sampling Tube 1–2 Ft for D4120 9C349A

SKU: DST1.5

Weight	1.5 lbs
Dimensions	24 × 4 × 4 in

$20.36

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$20.36	0%
5–9	$19.34	5%
10+	$18.32	10%

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System Sensor DST1.5 Metal Duct Sampling Tube 1–2 Ft for D4120 9C349A

Specifications & product details

System Sensor DST1.5 Metal Duct Sampling Tube – 1’–2’ Duct Width

The System Sensor DST1.5 Metal Sampling Tube is designed for use with compatible System Sensor duct smoke detectors in HVAC systems. This tube is engineered to properly sample airflow across duct widths between 1 and 2 feet, ensuring accurate smoke detection in commercial and industrial ventilation systems.

Key Features:

✔ Durable metal construction
✔ Pre-drilled sampling ports for accurate airflow detection
✔ Designed for 1’–2′ duct widths
✔ Direct compatibility with System Sensor duct smoke detectors
✔ Corrosion-resistant finish for long service life

Applications:

Commercial HVAC systems
Industrial ventilation systems
Fire alarm duct smoke detection installations
New construction or retrofit installations

Compatibility:

Commonly used with:

System Sensor D4120 Series
Other compatible System Sensor duct smoke detector housings

Proper duct sampling tube length is critical for code compliance and accurate smoke detection performance.

Ideal for:

Fire alarm contractors
HVAC installers
Commercial maintenance departments
Mechanical contractors

Product details

Part / SKU	DST1.5

Package includes

System Sensor DST1.5 Metal Duct Sampling Tube 1–2 Ft for D4120 9C349A

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Specifications and compatibility

Description	Metal Sampling Tube Duct Widths 1' – 2' for 9C349A

Compatibility & part-number help

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Shipping & availability

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