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(42-12) 3/4" Brass Flare Union
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F40-100 has been discontinued
Discontinued February 27, 2026
This product was discontinued by the manufacturer.
Product Highlights
–
3/4"
Brass
Flare Connection
Description
–
Flare Union
Specs
–
| Size: | 3/4" |
|---|---|
| Material: | Brass |
| Connection Type: | Flare |
| Application: | Plumbing |
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Product Reviews
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4.25 out of 4 reviews
75% would recommend this product
5 star
75%
4 star
0%
3 star
0%
2 star
25%
1 star
0%
Showing 1-4 of 4 reviews
Yes
Great product
Fer
Miami,fl
8 years ago
Verified Buyer
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work fine
found no difference between these and the expensive ones.
fFF
ID
9 years ago
Verified Buyer
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excellent product
Use on fuel, oil and brake lines in antique cars. Works wonderfully.
John Lovrich
Eas Northport, New york
10 years ago
Verified Buyer
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Flare fittings
I ordered 4 of these unions and, in my opinion, 3 of them had manufacturing defects. They leaked because the sealing surface had gouges. Seems like poor quality related to manufacturing problems.
Lloyd the DIYer
Liberty Hill, Texas
12 years ago
Verified Buyer
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Product Q&A
2 Questions2 Questions
Q: Which flare nut matches this 7/8" union? (part number)
Asked by STANDARD 9 years ago
Add your answer
Verified Reply- SupplyHouse StaffF40-126 https://www.supplyhouse.com/Jones-Stephens-F40-126-41S-14-7-8-OD-Brass-Short-Flare-Nut
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Q: Is this fitting lead free?
Asked by Angel 11 years ago
Add your answer
Verified Reply- SupplyHouse StaffNo, it is not.
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