Find all of the parts you need with a genuine T&S Brass repair kit for faucets, pre-rinse units, spray valves and waste valves. The B-6K Eterna parts kit is a popular kit that has new stems, inserts, packing and washers to help fix multiple T&S Brass faucets or valves. Pre-rinse spray head repair kits like the B-10K include all of the parts needed to fix a B-0107 spray valve assembly.