Branching A Bathroom Supply Line From 1/2" Pipe - Plumbing - DIY Home Improvement | DIYChatroom

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Old 07-21-2012, 07:43 PM   #1
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Branching a bathroom supply line from 1/2" pipe

I am currently finishing my basement. The basement bathroom will have a shower, toilet, and sink. I would like to tap into my washing machine supply lines which run nearly over top of the new bathroom. The only con I see against this is that the lines are 1/2" (the 3/4" supply terminates into the laundry supply right behind my furnace).

My questions are (1) can I do this. We follow the International Plumbers Code 2009 which I believe allows for 4 fixtures. Am I counting the fixtures correctly?

(2) should I do this? The 1/2" line is only about 8 feet. Will I notice a difference? (well I don't think I will but will my guests?)


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Old 07-22-2012, 02:46 PM   #2
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4 fixture units.Toilet=3 fixture units,shower=2 fixture units,lav=1 fixture units,washing machine=4 fixture units that's 10 fixture units on 1/2


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