5/8 X 3/8 Reducing Compression Union
SKU: 55608283201

5/8 X 3/8 Reducing Compression Union

Sale price$9.78 Regular price$10.87
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Description

5/8 X 3/8 Reducing Compression UnionThe 5 8" x 3 8" Reducing Compression Union is a plumbing fitting designed to connect two pipes of different sizes5 8" and 3 8"using compression fittings. It ensures a secure, leak free connection and allows for a smooth size reduction between the two pipes. Commonly used in residential and commercial plumbing systems, this union provides a reliable solution for transitioning between pipe sizes and is easy to install and maintain. Specification Details

The 5/8" x 3/8" Reducing Compression Union is a plumbing fitting designed to connect two pipes of different sizes—5/8" and 3/8"—using compression fittings. It ensures a secure, leak-free connection and allows for a smooth size reduction between the two pipes. Commonly used in residential and commercial plumbing systems, this union provides a reliable solution for transitioning between pipe sizes and is easy to install and maintain.

Specification Details
TYPE Reducing Compression Union 
DESIGN Reducing Design, for smooth fitting and leak-free seal
MATERIAL Brass provides long-lasting strength and reliability
MATERIAL CONSTRUCTION Brass
WEIGHT (LBS)
0.150
ADDITIONAL INFORMATION 1.03" Center to Center
CONNECTION SIZE 1

5/8"

CONNECTION SIZE 2

3/8"

CONNECTION TYPE  

Compression/ Compression

CONNECTION TYPE 1

Compression

CONNECTION TYPE 2

Compression

FITTING TYPE Union
HEX SIZE 0.81"
THREAD SIZE 13/16-18
PRESSURE RATING 150 psi
TEMPERATURE RATING

-65 to 250 deg F 

FOR USE WITH

Copper, Aluminum and Thermoplastic Tubing

APPLICATIONS Ideal for Water, Gas and Plumbing Systems
BRAND Midland Industries

 

Link to Midland Industries Catalog

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55608283201

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Anna Wylda
Chelsea, US
★★★★★ 5
They stay out! No more sock wads!
Size: Medium, Color: (100) White / White / Mod Gray
Best no show socks ever made!!!!! I've been struggling for 2 years to find ones that actually stay on your foot, even other national brands, and I just became content wearing my sneakers without socks. They ALWAYS slid down into my show & I ended up walking on a wad of sock until I could fix it...or usually just took them off after a couple of tries. Enter Under Armor!!! They a mid weight, but not very thick & still breathable. They work too by actually staying on your foot! Not once have they slid down into my show!! Very comfortable but they could be a little more affordable.
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Reviewed in the United States on August 1, 2025
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Rebekah
Port Orchard, US
★★★★★ 5
Love!
Size: Large, Color: (100) White / White / Mod Gray
Ive tried so many no show socks but I love these. This is the 3rd set I've bought. They never slip off and the material is thin and breathable. Perfect for working out.
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Reviewed in the United States on March 2, 2026
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Becky
San Leandro, US
★★★★★ 5
True no-show socks that don’t slide down!
Size: Medium, Color: (100) White / White / Mod Gray, Size: Medium, Color: (100) White / White / Mod Gray
This is the first pair of no-show socks I’ve tried that actually don’t slide down into my shoes. Trust me… I have tried lots of different pairs and this is the one! They fit perfectly. They’re not too thick and they’re obviously durable because I wash them after each wear, so daily.
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Reviewed in the United States on March 21, 2026
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Raquel Hall
West Palm Beach, US
★★★★★ 4
Great fit but expensive
Size: Medium, Color: (252) Blush Beige / White / Castlerock
These are really great socks. I love them, but they are definitely pricey.
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Reviewed in the United States on March 30, 2026
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LacyConner
Charlottesville, US
★★★★★ 5
Great socks!
Size: Medium, Color: (252) Blush Beige / White / Castlerock
Love these socks so much I got a second package. I like how thin and airy they are and they never slide down my heel. For thin socks they’re pretty durable.
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Reviewed in the United States on August 16, 2025

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