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EDWARDS SIGNALING SD-T42 Air Sampling Tube for Duct Mount - Air Sampling Tubes for Fire Alarm Systems
EDWARDS SIGNALINGAir Sampling Tubes for Fire Alarm Systems

EDWARDS SIGNALING SD-T42 Air Sampling Tube for Duct Mount

The EDWARDS SIGNALING Air Sampling Tube (MPN SD-T42) is a duct-mount accessory for fire alarm systems, compatible with the SD-4WJ model. It measures 3.5 ft in overall height and 0.5 in overall width, and is certified…

SKU 3G-OTH-547292

Also listed as: SDT42 · SD T42

Brand
EDWARDS SIGNALING
Item
SD-T42 Air Sampling Tube for Duct Mount
Part Number
SD-T42
Category
Air Sampling Tubes for Fire Alarm Systems
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

EDWARDS SIGNALING
Manufacturer Part Number
SD-T42
Standards
ULC
Overall Ht
3.5 ft
Overall Wd
0.5 in
Mounting Location
Duct
Compatible with Manufacturer Model Number
SD-4WJ

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EDWARDS SIGNALING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EDWARDS SIGNALING Air Sampling Tube (MPN SD-T42) is a duct-mount accessory for fire alarm systems, compatible with the SD-4WJ model. It measures 3.5 ft in overall height and 0.5 in overall width, and is certified to ULC standards.

Frequently Asked Questions

What is the EDWARDS SIGNALING SD-T42 air sampling tube used for?

The EDWARDS SIGNALING SD-T42 air sampling tube is a duct-mount accessory for fire alarm systems. It is compatible with the SD-4WJ model and is used to draw air samples from HVAC ducts for early smoke detection. Certified to ULC standards, it measures 3.5 ft overall height and 0.5 in overall width.

What are the specifications of the EDWARDS SIGNALING SD-T42?

The EDWARDS SIGNALING SD-T42 air sampling tube has an overall height of 3.5 ft and overall width of 0.5 in. It is designed for duct mounting, is compatible with the SD-4WJ model, and is certified to ULC standards. The manufacturer part number is SD-T42.

Where to buy the EDWARDS SIGNALING SD-T42 worldwide?

3G Electric supplies the EDWARDS SIGNALING SD-T42 air sampling tube to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this ULC-certified duct-mount accessory.

How to install the EDWARDS SIGNALING SD-T42 air sampling tube?

Install the EDWARDS SIGNALING SD-T42 by mounting it in the HVAC duct per the manufacturer's instructions. Ensure the tube is properly aligned with airflow and securely fastened. For compatibility, use with the SD-4WJ model. Always follow local fire alarm codes and ULC standards during installation.

Used in

Common applications for EDWARDS SIGNALING
Commercial fire alarm systems — Edwards Signaling WG4RN-SVMHC speaker strobe for combined audible and visual notification in 25/70V systems.
Industrial facility fire safety — Edwards Signaling MR199X13/C relay for 24V DC control circuits in fire alarm panels.
Institutional building alarm testing — Edwards Signaling SD-TRM remote test station for surface-mount alarm/trouble indication on single-gang boxes.
High-rise residential fire alarm — Edwards Signaling WG4RF-SVMC speaker strobe for 24V DC and 25/70V notification in corridors and common areas.
Manufacturing plant emergency signaling — Edwards Signaling tower light modules for status indication on machinery and processes.
Warehouse fire detection — Edwards Signaling heat detectors for areas where smoke detection is impractical due to environmental conditions.
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EDWARDS SIGNALING Products

3G Electric supplies EDWARDS SIGNALING 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.

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