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Agtunn Naymin
We are installing a shower in a bathroom. Need to move the toilet over and the sink over to allow room for the shower pan. The plumber has recommended that we use PVC schd 40 to hook up to the existing vent etc. However, the exisiting stuff is ABS . . . is it ok to mix the PCV with the ABS ???
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http://www.hometime.com/projects/howto/plumbing/pc2plm2.htm
Plastic pipe joints are connected with glue that actually melts the pieces together. The joints for both PVC and ABS are glued the same way, but the types aren’t interchangeable and only a special fitting can connect them together.
http://www.remodel.com/ResourceCenter/Encyclopedia/Encyclopedia.asp?pgnum=1147
http://www.pmmag.com/CDA/ArticleInformation/features/BNP__Features__Item/0,2379,4068,00.html. Note that some people use multipurpose glue to adapt from PVC to ABS but, it is not code to do so in most areas, nor do we recommend you using multi purpose glue to go from ABS to PVC. If your pipes are ABS then you use use no-hub couplings to adapt. http://www.plumbingworld.com/eldervalve.html
PVC DRAIN PIPE AND FITTINGS 002445 4″ 4″ PVC/ABS ADAPTER SLEEVE 5.99/EA http://www.pbs-one.com/priceguide/PBS_PB.html
ADAPTER COUPLING 125mm 100mm (5 4ABS) GXG (ADAPTS PVC SPIGOT TO IPS (ABS) SPIGOT) http://www.blairsupply.com/Products/section8.htmManufacturers make transition cement for this purpose:
http://www.spwarehouse.com/oateych.htm http://www.portplastics.com/plastics/access/adhesive/ http://www.oatey.com/products/cements/30925.html http://www.herchem.com/SpecShts/SSPlasPxy.htm http://www.bramec.com/pages/13067.htmHomeowners have done this: http://www.terrylove.com/wwwboard/messages/13959.html
There are questions of which tube and fittings are to be joined where for structural strength.
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