Advance Tabco
Advance Tabco FC-1-1818-X Wall Mounted Sink 18 in x 18 in, 304
- Silver
$790.99
0.00942384BTC
In stock
Value Brand
Value Brand 24W565 Copper Union 3/4 in Cup MNPT
Cast copper sweat-union fitting joins 3/4 in copper tube to 3/4 in MNPT, rated 582 psi at 100 °F and 400 °F max temperature
- ColorBronze
- TypePipes, Valves & Fittings
- Sweat-fitting union simplifies copper tubing connections
- 582 psi rating at 100 °F ensures reliable pressure handling
- Withstands 400 °F for high-temperature applications
- Cast copper construction resists corrosion in plumbing systems
- Straight union design joins 3/4 in tube to 3/4 in MNPT
Copper Sweat Union for 3/4 in Tubing
This Zoro Select copper union joins 3/4 in copper tubing to a 3/4 in male NPT thread. The straight union uses a sweat cup on one side and a threaded connection on the other. It is built for plumbing and tubing systems in residential or commercial settings. The cast copper body provides corrosion resistance and durability.
Cast Copper Body Rated for 582 psi
The fitting is manufactured from cast copper with a bronze finish. It withstands a maximum operating pressure of 582 psi at 100 degrees F and a maximum operating temperature of 400 degrees F. The sweat cup accepts 3/4 in copper tube with a 7/8 in outer diameter. The MNPT end threads directly into female NPT fittings without adapters.
3/4 in Copper Tube to MNPT Transition
This union specifically connects 3/4 in copper tube size to a 3/4 in male pipe thread. It is not a copper-to-copper coupling and does not join dissimilar tube sizes. Installers needing a press, push-fit, or compression connection will require a different fitting type. The straight shape suits in-line installations only.
Highlights
- Sweat-fitting union simplifies copper tubing connections
- 582 psi rating at 100 °F ensures reliable pressure handling
- Withstands 400 °F for high-temperature applications
- Cast copper construction resists corrosion in plumbing systems
- Straight union design joins 3/4 in tube to 3/4 in MNPT
Specifications
| Brand | ZORO SELECT |
|---|---|
| Color | Bronze |
| Type | Pipes, Valves & Fittings |
Questions about this item
What pressure does the 582 psi copper union actually hold in practice?
It is rated for 582 psi at 100 degrees F, so that is the maximum pressure you can expect under normal hot‑water conditions.
What pipe and tube sizes must match for this 3/4 in cup and MNPT union to fit?
Side A takes 3/4 in copper tube with a 7/8 in outer diameter, while Side B threads onto 3/4 in MNPT pipe.
How is the sweat cup end installed, and what step do people often miss?
Clean the tube, apply flux, slide the union on, then heat evenly until solder flows; the step many skip is heating the fitting body, not just the tube, so the solder pulls into the joint.
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