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Internet # 205854565

Model # SC4

Store SKU # 1001256032

Store SO SKU #1001253555

4 in. Dia. Starting Collar

$5.31
  • Used to transition from a flat surface to round pipe
  • Durable galvanized steel construction
  • Commonly called an A-collar
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Product Details

About This Product

The Master Flow 4 in. Diameter Starting Collar is crimped for easy installation. This starting collar can be used to transition from a flat surface such as an unlined metal plenum to round metal pipe. Can also be attached to most unlined metal ductwork, such as rectangular duct. Constructed of galvanized steel, this starting collar is made for durability.

Highlights

  • Made of galvanized steel
  • Fits most 4 in. metal pipe
  • Helps transition from unlined metal duct to round pipe
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
  • Return Policy

Product Information

Internet # 205854565

Model # SC4

Store SKU # 1001256032

Store SO SKU #1001253555

Additional Resources

Shop All Master Flow
From the Manufacturer

Specifications

Dimensions: H 3 in, W 4 in, D 4 in

Dimensions

Product Depth (in.)

4 in

Product Height (in.)

3 in

Product Width (in.)

4 in

Details

Brand/Model Compatibility

Universal

Gauge

30

HVAC application

All HVAC types

Material

Galvanized Steel

Pack Size

6

Product Weight (lb.)

0.15 lb

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

Free from Manufacturer Defect at Time of Delivery.

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

4.5 out of 5

  • 4.5 out of 40 reviews
  • 0% recommend this product
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Showing 1-10 of 40 reviews
The collar worked perfectly!
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Response from Master FlowApr 25, 2024
We are glad that you are satisfied with our product and thank you for taking the time to post a review. MasterFlow
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Used to reconnect dryer vent hose to dryer galvanized pipe. Worked well...
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I bought this for a project I was fabricating. It was only used to run a 3" dia. HVAC pipe through and worked perfectly for my needs.
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Response from Master FlowDec 7, 2023
Glad you were satisfied with your Master Flow purchase. Thanks for the feedback. MasterFlow
  • Verified Purchase
Heavier gauge than aluminum parts. Therefore when to drilled and take, it holds significant weight.
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Response from Master FlowDec 7, 2023
Glad you were satisfied with your Master Flow purchase. Thanks for the feedback. MasterFlow
  • Verified Purchase
Showing 1-10 of 40 reviews