Ask Experts Questions for FREE Help !
Ask
    Hawkeyekidx's Avatar
    Hawkeyekidx Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 15, 2008, 05:32 AM
    Dielectric Unions
    Do standard plumbing codes require dielectric unions on drain pipes?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Sep 15, 2008, 05:49 AM
    Quote Originally Posted by Hawkeyekidx
    Do standard plumbing codes require dielectric unions on drain pipes?
    No! But this brings up the question of why you asked. What are the material of the pipes that you question? Regards, Tom
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Sep 15, 2008, 11:05 AM
    Those unions are commonly found on water heaters if you mix galvanized with copper. Tell Tom what you are working on and the mystery will be solved.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Dielectric Unions - Necessary? [ 11 Answers ]

I have searched this site and others to find information on whether Dielectric Unions are really necessary when joining copper and galvanized pipes. The problem; I have found conflicting advice. In my own case I decided to use them after replacing galvanized for copper at the lav. But both leaked...

Water heater hook up/dielectric unions [ 8 Answers ]

When I moved into this house the hot water heater (3 years old now, gas unit) was hooked up to the existing system with copper fittings. The whole house has copper supply lines. 1. Should I put dielectric fittings between the hot water heater and the copper lines? I know the dissimilar...

Dielectric Union [ 4 Answers ]

What is the estimated cost of putting in a dielectric union in a crawl space with about three feet of clearance between a copper/galvanized joint from a licensed plumber? Thanks! Hammer

"To Dielectric or Not to Dielectric" [ 16 Answers ]

"Speedball Tom", Let me first say that since this is my first post, I mistakenly submited it as an answer to one of "Speedball's" answers to someone else on the same subject. My apologies. Greetings from "Tankless Tom". I started my search on Google with the term: "dielectric union" to try...

Connection for dielectric nipple [ 1 Answers ]

Which way is the best to connect copper to galvenize pipe... gal pipe to brass valve to dielectric nipple to copper..? Thank

View more questions Search