3/4" FNPT x Copper Press Dielectric Union P-571NL Lead Free | Legend Valve
Legend Valve P-571NL – 3/4" FNPT x Copper Press Dielectric Union (Lead Free)
The Legend Valve P-571NL is a lead-free dielectric union designed to connect copper press fittings to iron or steel pipe using a 3/4" female NPT thread. It prevents galvanic corrosion at the joint between dissimilar metals — a critical requirement in residential and commercial plumbing systems.
Key Features
- Connection Type: 3/4" FNPT (Female National Pipe Thread) x Copper Press
- Lead Free: Compliant with NSF/ANSI 61 and Safe Drinking Water Act requirements
- Dielectric Isolation: Prevents galvanic corrosion between copper and ferrous pipe
- Part Number: P-571NL | LID: D5-1
- Material: Brass body with dielectric insulation
- Application: Potable water, hot and cold supply lines
Ideal For
Plumbers and contractors connecting copper press systems to threaded iron or steel pipe in residential, commercial, or light industrial applications. Compatible with standard press tools.
Available at AC Construction Depot – Charlotte, NC
In-store pickup available same day in Pineville, NC. Serving contractors across the greater Charlotte metro area. Call us at 704-835-1086 for stock confirmation.
Local pickup available
Visit our Pineville store at 311 S Polk Street, Suite 50, Pineville, NC 28134
Call now: 704-835-1086
Store Hours:
Monday - Friday: 7:00 AM – 4:00 PM
Saturday: 8:30 AM – 1:00 PM
Sunday: Closed