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:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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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Product Reviews
A
Verified Purchase
Ant Farmer 1
Houston, US
★★★★★ 5
Fits well and installs easily.
Size: AF997
This filter looked about the same as the OEM filter. It installed in about a minute. The quality appeared to be fine. It was protected in a cardboard box. It fit my 2014 Subaru Outback perfectly. I just installed it an hour ago so I don’t have any long term observations about longevity or effectiveness. I can’t see any reason why it would not work as well as the original, it seemed identical.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
N
Verified Purchase
Nicholas K
Pawtucket, US
★★★★★ 5
Great filter
Size: AF259
This fit my Mazda CX-5 perfectly. I'm happy with the seal and quality. Great price. I will certainly reorder for my next replacement.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Great fit and quality
Size: AF113
Not a complicated product, but after going to 2 different auto parts stores and this not being in stock, Amazon to the rescue. Arrived the next day and the quality is definitely on par with “store brand” ones from retailers. Definitely cheaper as well.
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Reviewed in the United States on April 23, 2026
A
Verified Purchase
AC
Boise, US
★★★★★ 5
Fit my 2014 Accord perfectly
Size: AF476
Seems to be the same quality as OEM. Fit perfectly. Easy to install.
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Reviewed in the United States on April 24, 2026
B
Verified Purchase
Becca
Lexington, US
★★★★★ 4
Affordable priced. Fits well
Size: AF377
They work good in my 2019 Toyota RAV4
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Reviewed in the United States on May 11, 2026

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