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Thread: bronze fittings and copper fittings

  1. #1
    DIY Senior Member diyfun's Avatar
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    Default bronze fittings and copper fittings

    when will you use bronze fittings, such as cast bronze tee, when will you use copper tees in a copper pipe hot water heating system?

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    TROJAN WORLDWIDE SALES RP MACPLUMB 777's Avatar
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    Check my reply on the ridgid forum as i am not going to retype it all here !

    MACPLUMB 777

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    Plumber jimbo's Avatar
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    By the magic of cut an paste, here is jerrymacs dissertation!
    For DIYfun, you may be confusing wrot copper or cast copper fittings, with brass , or bronze. No problem using ANY of those. Brass is more expensive, bronze fittings are not readily sold in this market and would be VERY expensive.



    Re: bronze fittings and copper fittings


    you have your terms mixed up, plumbers do not use bronze pipe fittings they use " brass " fittings
    if i am running a copper water system then i use all copper fittings
    but if you are talking about a hydronic heating system then i might use brass fittings
    the main difference between the two is cost as the brass cost more
    on the other hand if i was trying to finish a solder job and all i had was brass fittings then i would use them rather then taking time to go get copper fittings


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    TROJAN WORLDWIDE SALES RP MACPLUMB 777's Avatar
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    Thank you JIMBO
    for the assit should of thought of that myself
    Last edited by MACPLUMB 777; 02-10-2012 at 08:49 AM.

    MACPLUMB 777

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    281-706-1631 7 DYS A WEEK SALES AND TECH. SUPPORT
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  5. #5
    DIY Senior Member diyfun's Avatar
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    Quote Originally Posted by jimbo View Post
    you have your terms mixed up, plumbers do not use bronze pipe fittings they use " brass " fittings
    if i am running a copper water system then i use all copper fittings
    but if you are talking about a hydronic heating system then i might use brass fittings
    the main difference between the two is cost as the brass cost more
    on the other hand if i was trying to finish a solder job and all i had was brass fittings then i would use them rather then taking time to go get copper fittings
    The cast bronze is the label I copied from Lowes.

    I found all the tees in my existing hot water heating system are "cast bronze". I noticed those "cast bronze" tees are more expensive. The copper tees are easier to solder and cheapier. So I was thinking there must be a reason for a plumber to use hard to handle and more expensive fittings.

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    Moderator & Master Plumber hj's Avatar
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    quote; So I was thinking there must be a reason for a plumber to use hard to handle and more expensive fittings.

    Not really. He may just have them handy, and some specific hydronic fittings only come in cast brass/bronze. Just because Lowes CALLS them cast bronze, does not necessarily mean that is what they are.
    Last edited by hj; 02-11-2012 at 07:38 AM.
    Licensed residential and commercial plumber

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    General Engineering Contractor ballvalve's Avatar
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    Typically, nowadays, you get a cast bronze or brass fitting that is a transition or has attachments that would cost more to fabricate onto a copper tube. Also, copper does not like to be threaded and machined.

    http://plumbing.hardwarestore.com/52...ap-251819.aspx

    And here is the bible telling you the metalllurgy and apps of cast fittings:

    http://www.copper.org/applications/p...ttgs_stds.html
    Last edited by ballvalve; 02-12-2012 at 12:07 PM.

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