bhavenst
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I'm adding a bathroom (tub/shower, sink, toilet) in the basement. Our supply pipes are 3/4" to the main floor bathroom, after which they drop to 1/2" to supply the kitchen. Can I branch off the 1/2" (for a total of about 20' of 1/2" leading to the bathroom) to supply the bathroom, or do I have to replace it with 3/4"?