the pelon
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I am installing new walk in shower converted from a tub/shower combo. I purchased a Grohe 3/4" Thermo valve. After completing the tear out today, I am having a hard time finding the 3/4" trunk lines to feed the new valve. I have a 2 story house so they may have switched to 1/2" between floors. My plan is to have a hand shower on one wall and a regular shower on the other wall both controlled by volume control valves. My question is, will a 1/2" Therom valve have enough flow to run both showers if I cant locate the 3/4" lines. The shower will be approx. 4'x6'. Thanks in advance, Pete