| Angle: | 90° |
|---|---|
| Size: | 1-1/4" |
| Material: | Copper |
| Application: | Plumbing |
| Connection Type: | Sweat |
The 3/4" size refers to the ID or inside diameter of the pipe the fitting would connect to. These fittings are listed for use in plumbing applications so they are listed by the ID sizing. Please look at this section of the site for fittings for HVAC applications: http://www.supplyhouse.com/Copper-Fittings-for-HVAC-12753000
No, this is a nominal 3/4" fitting for use with 7/8" actual copper tube