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1
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0answers
70 views

If I use (2) 3/4“ inlet PEX manifolds (hot/cold), do I need 1” PEX supply from the meter?

I am replacing all the plumbing in my house and to the meter. I will be using PEX. I have manifolds for hot and cold with 3/4" inlets and 1/2" outlets at the valves. Do I need to use 1" PEX tubing ...
0
votes
1answer
65 views

Are PEX required for shower mixers?

From my understanding it is normal to mount a PEX like this one in the wall. And that it is not legal to have hidden connections in the wall. Question Why are PEX so often used (required)? Is it ...
3
votes
1answer
147 views

Whats the difference between black, blue and red PEX pipes sleeves

I'm using PEX pipes for water tubing, but I'm not sure which sleeve type should I use for hot and cold water pipes. Whats the difference between black, blue and red sleeves? and which should I be ...
3
votes
1answer
549 views

Is it possible to use a hot water recirculation pump with a PEX home run system?

I am interested in getting a hot water recirculation pump installed so that I can get hot water faster to each of my faucets. From looking at the picture and researching I believe I have PEX in a ...
6
votes
2answers
3k views

How should I configure my plumbing with PEX?

I have a house built in 1940, which has a mix of copper, PVC and galvanized pipe for its plumbing at present. I am going to be gutting the upstairs bathroom in the near future, and have access to ...
0
votes
0answers
115 views

Will code allow PEX to municipal water supply in NY? [closed]

I have an old summer home with a well for water. Recently the town put in water lines at the road along my property: does New York State building code allow PEX from source to house?
3
votes
3answers
704 views

Is temporarily reducing the water supply line an option when installing a water softener?

I am installing a water softener in my house. Currently we're getting the water supply from 1" PEX that has a service loop in the garage. I built my own 1" PVC bypass system for a GE water softener ...
4
votes
2answers
2k views

Proper way to attach tapered, threaded connections?

I've been ripping out the PB water line throughout my house and replacing with PEX and a bit of copper piping. However, the few threaded fittings each have very slow leaks. Above the water tank I ...
12
votes
2answers
3k views

Will a PEX run freeze if it's in the attic above a foyer?

I plan on running PEX pipes both hot and cold across 16 feet of unheated attic space above a foyer. The foyer is 16' long and is off the kitchen, it isn't heated directly but is part of the house; it ...
3
votes
1answer
1k views

Does PEX leach BPA when used for hot water plumbing?

Would using PEX for potable hot water result in having Bisphenol A (BPA) leached into the water? Does PEX have BPA content?
6
votes
1answer
301 views

When replacing a supply line to a house in Houston, TX, what is the best material to use?

A house in Houston, TX (southern "sun belt" climate, no frost, but flexible clay soils) has a Polybutalyne supply line running from the meter to the house. It's already burst once and been repaired, ...
5
votes
6answers
2k views

Why is my brand new PEX clear tubing turning green near the hot water heater?

I just moved into my house with brand new PEX (uponor) plumbing. I used clear for the hot and cold instead of red and blue, because I bought everything myself and I thought it would prevent wasting ...
6
votes
2answers
431 views

“Dead-ending” unused plumbing

I'm planning on moving our hot water heater from its current location in our mudroom down to the basement, to live in what will become sort of a mechanical closet in the to-be-finished basement. My ...
5
votes
3answers
3k views

What is the advantage of PEX pinch clamp vs. crimp rings?

I just saw these for the first time today at Lowe's: The advantages I can see over the crimp style are: A single tool can work with multiple PEX sizes That single tool is cheaper than a ...
5
votes
2answers
2k views

Can I convert/adapt to PEX from copper tubing?

I'm remodeling a bathroom, and some of the copper tubing needs to be replaced, due to leaks and the need to reposition fixtures. Is it feasible and recommended to convert from copper tubing to PEX? ...
7
votes
3answers
285 views

Does PEX require home runs?

I've been told that PEX requires home runs to a manifold (or star topology, to borrow from networking) to maintain the same flow rate/pressure as copper. Anyone else heard this?
10
votes
2answers
929 views

Why would you use copper over CPVC or PEX?

Are there any advantages to using copper rather than CPVC or PEX?
7
votes
11answers
6k views

Is it worth it to insulate hot water PEX tubing?

Is it worth the time and expense to put the foam pipe wrap on pex hot water pipes? I've seen mixed statements. What is your thought? But more importantly, can you back it up?
13
votes
7answers
4k views

Does Pex tubing have any advantages over copper?

What are the advantages/disadvantages of Pex tubing? How does it compare to copper?