Elizabeth Sauro
New Member
Hello! First I want to thank the members of this forum for providing such a great educational tool. Many of the concerns I am going to express in this post stem directly from the information gleaned in reading different topics. My contractor and I are currently at odds regarding the plumbing in the master bathroom. He think I've been spending too much time on the internet, and I think he is not taking into consideration how different the fixtures I'm using are from what he has installed before. I'm getting a toto Neorest 550, a high volume tub filler, and a shower with 2 showerheads and 4 or 6 body jets (I was planning the Kohler DTV system, but have not completely finalized that.) There will be two sinks.
The issue is 1/2" pex and my understanding that it is not sufficient to supply these fixtures. I've stressed this from the beginning but 1/2" is what he's used before so 1/2" is what was bought. He is using a manabloc. He says that since 3/4" is coming into the house, larger pex will not have any pressure. It is my understanding that pex and copper have different interior diameter dimensions. The pressure coming into the house is 55 psi. Currently the walls are exposed, but not for long. I want to prevent a costly mistake, does anyone have any advice? I am open to anything at this point.
One of his arguments is that the shutoff valve for the neorest is 1/4" so it doesnt make a difference if the pex is 1/2 or 3/4. But if that is the case, why are there reports of insufficient pressure with 1/2" pex?
Thanks in advance for any consideration.
The issue is 1/2" pex and my understanding that it is not sufficient to supply these fixtures. I've stressed this from the beginning but 1/2" is what he's used before so 1/2" is what was bought. He is using a manabloc. He says that since 3/4" is coming into the house, larger pex will not have any pressure. It is my understanding that pex and copper have different interior diameter dimensions. The pressure coming into the house is 55 psi. Currently the walls are exposed, but not for long. I want to prevent a costly mistake, does anyone have any advice? I am open to anything at this point.
One of his arguments is that the shutoff valve for the neorest is 1/4" so it doesnt make a difference if the pex is 1/2 or 3/4. But if that is the case, why are there reports of insufficient pressure with 1/2" pex?
Thanks in advance for any consideration.