APPROVED VENDOR 12"dia Steel Snap-On Control Damper: For 12 in Nominal Duct Dia
The APPROVED VENDOR 12"dia Steel Snap-On Control Damper (SKU 4JRN1) is a butterfly-type damper designed for 12-inch nominal duct diameter, with an overall diameter of 11 7/8 inches. This steel snap-on control damper…
SKU 3G-OTH-76756
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Product Description
The APPROVED VENDOR 12"dia Steel Snap-On Control Damper (SKU 4JRN1) is a butterfly-type damper designed for 12-inch nominal duct diameter, with an overall diameter of 11 7/8 inches. This steel snap-on control damper is suitable for airflow regulation in HVAC systems.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the APPROVED VENDOR 12" Steel Snap-On Control Damper used for?
This butterfly-type damper regulates airflow in HVAC duct systems. It snaps onto a 12-inch nominal duct and is commonly used for balancing or isolating air streams in commercial or industrial ventilation applications.
What are the specifications of the APPROVED VENDOR 4JRN1 damper?
The APPROVED VENDOR 4JRN1 is a steel snap-on control damper with a butterfly blade. It fits 12-inch nominal duct diameter and has an overall diameter of 11 7/8 inches. The manufacturer part number is 4JRN1.
Where to buy the APPROVED VENDOR 4JRN1 damper worldwide?
3G Electric supplies the APPROVED VENDOR 4JRN1 damper to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this butterfly control damper.
How to install the APPROVED VENDOR snap-on control damper?
Snap the damper directly onto the end of a 12-inch nominal duct. Ensure the duct end is clean and free of debris. Secure with sheet metal screws if required. Verify the butterfly blade moves freely before system startup.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



