- 1 How do you support PEX under the sink?
- 2 Does PEX pipe need to be supported?
- 3 How many fixtures are on a 1/2 PEX water line?
- 4 Why is PEX plumbing bad?
- 5 How close can PEX fittings be to each other?
- 6 What is the best way to connect PEX pipe?
- 7 Does PEX need expansion loops?
- 8 Can you use PEX for kitchen sink?
- 9 Can PEX be used for main water line?
- 10 Can you use PEX B fittings on PEX A?
How do you support PEX under the sink?
In areas that are concealed, like under a kitchen sink or vanity cabinet, you can eliminate a joint by running PEX supply directly to the shutoff valve. Use a drop-ear bend support to hold the tubing in a tight bend (right). There are several types of shutoff valves that connect directly to PEX.
Does PEX pipe need to be supported?
Run the PEX tubing: PEX needs to be supported a minimum of every 32 inches when running horizontally. If running vertically, it should be supported every 4 to 6 feet. (These supports are critical.) The straps should be plastic or metal that is designed to work for plastic pipe.
How many fixtures are on a 1/2 PEX water line?
For our example, our 1-inch pipe can have up to 30 fixture units, our 3/4-inch can have up to 14, and our 1/2 -inch can have up to 4.
Why is PEX plumbing bad?
Potential chemical leaching is another downside of PEX piping. Due to its chemical composition, the PEX pipe material may leach toxic chemicals including bisphenol (BPA), MTBE, tertiary butyl alcohol (TBA), and others.
How close can PEX fittings be to each other?
To support bare PEX, space hangers between 32 inches and 48 inches apart, depending on the applicable code.
What is the best way to connect PEX pipe?
The most common connection method used in PEX installation is the “Crimp” method. This process involves sliding a ribbed fitting into the PEX tube and crimping a seal ring around the connection point. These rings are typically made of copper, but may be found in plastic as well as brass.
Does PEX need expansion loops?
Pex, copper, and most things expand and contract. You just don’t want the stuff stretched tight like a banjo string. A little slack is all that is required – no big loops needed. PVC and cpvc expand and contract much more than pex does, and on long runs, needs special consideration.
Can you use PEX for kitchen sink?
It’s easy to connect PEX tubing to fittings as well as to copper and CPVC pipes. When you use it to supply a sink, Tools Specialist offers several options for connecting the valves. Two of the most common are transitioning to copper and installing metal compression valves or using valves designed for PEX tubing.
Can PEX be used for main water line?
PEX is banned in California because of the chance that toxic materials can enter the water. California has banned and reapproved PEX several times. There are currently no studies that indicate that PEX pipes can be harmful to humans. Is Drinking Water from Plastic Piping Harmful?
Can you use PEX B fittings on PEX A?
There are two parts to this transition: the PEX-A MIP adapter and the PEX-B FIP adapter. These parts will thread together and allow you to join PEX-A to PEX-B. The PEX-A side will require an expansion ring while the PEX-B side requires the crimp ring.