Aluminum is less noble than brass; it'll erode by electrolysis (galvanic) action, also. Look up galvanic action or galvanic scale.
Wilton ----- Original Message ----- From: "Allan Streib" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <mercedes@okiebenz.com> Sent: Tuesday, November 11, 2008 12:01 PM Subject: Re: [MBZ] OT - home hot and cold water filters update > How about aluminum and brass? I'm working on a plan to replace most of > the rubber fuel lines in the engine compartment of my Vanagon. I am > planning to use aircraft fuel line and fittings (aluminum) but I have > not been able to find fuel hose barbs in anything but brass. Can brass > fittings be used with aluminum, or do I need to keep looking? > > Allan > > > > On Tue, 11 Nov 2008 11:48:04 -0500, "Wilton Strickland" > <[EMAIL PROTECTED]> said: > > Without a nonconductor between them, electrolysis will "rust away" > > (erode) > > the iron. > > When dissimilar metals are in contact with each other, electrolysis > > (natural > > reaction/flow of electrons between them) erodes the less "noble" metal. > > > > Wilton > > > > ----- Original Message ----- > > From: "Tom Hargrave" <[EMAIL PROTECTED]> > > To: "'Mercedes Discussion List'" <mercedes@okiebenz.com> > > Sent: Tuesday, November 11, 2008 7:49 AM > > Subject: Re: [MBZ] OT - home hot and cold water filters update > > > > > > > You should not be mixing iron & brass. You should have a fitting in > > between > > > made of PVC. > > > > > > Thanks, > > > Tom Hargrave > > > www.kegkits.com > > > 256-656-1924 > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > > On Behalf Of OK Don > > > Sent: Monday, November 10, 2008 10:18 PM > > > To: Mercedes Discussion List > > > Subject: [MBZ] OT - home hot and cold water filters update > > > > > > I finished installing the new water system in the kitchen this > > > evening. It consists of two stainless and bronze filter housings, lots > > > of iron, brass, copper, and plastic parts. Of possible note is that > > > the filter assemblies were salvaged from a photo lab water temp > > > control panel - and is old. I soaked the assemblies overnight in a > > > bucket of citric acid to clean off the old scale deposits - they came > > > out sparkling clean looking. > > > The filters are carbon block, 5 micron nominal, and new. > > > > > > The water now tastes oily and metallic - even after running it for 15 > > > minutes. Is this likely coming from the old filter top casting > > > (bronze) or the iron pipe reducers and nipples? > > > > > > -- > > > OK Don, KD5NRO > > > Norman, OK > > > "There are only three sports: bullfighting, motor racing, and > > > mountaineering; all the rest are merely games." - Ernest Hemingway > > > '90 300D (Rattled), '92 300D (Saber), ''97 Ply Grand Voyager (Vincent > > > van-go) > > > > > > _______________________________________ > > > http://www.okiebenz.com > > > For new parts see official list sponsor: http://www.buymbparts.com/ > > > For used parts email [EMAIL PROTECTED] > > > > > > To Unsubscribe or change delivery options go to: > > > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > > No virus found in this incoming message. > > > Checked by AVG. > > > Version: 7.5.549 / Virus Database: 270.9.0/1778 - Release Date: 11/9/2008 > > > 2:14 PM > > > > > > > > > No virus found in this outgoing message. > > > Checked by AVG. > > > Version: 7.5.549 / Virus Database: 270.9.0/1780 - Release Date: 11/10/2008 > > > 8:58 PM > > > > > > > > > > > > _______________________________________ > > > http://www.okiebenz.com > > > For new parts see official list sponsor: http://www.buymbparts.com/ > > > For used parts email [EMAIL PROTECTED] > > > > > > To Unsubscribe or change delivery options go to: > > > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > > _______________________________________ > > http://www.okiebenz.com > > For new parts see official list sponsor: http://www.buymbparts.com/ > > For used parts email [EMAIL PROTECTED] > > > > To Unsubscribe or change delivery options go to: > > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com