So the answer is – you do need to unless you are going to install special faucets and toilets that can handle the water pressure or that you can ensure that you will regulate the water pressure using the shut-off (which is not a good idea). Note: You should be installing 3/4″ pex for hot too.
Is 3/4 PEX big enough?
In general, the greater the distance from the manifold to the fixture, the wider the PEX tubing should be. A 3/8-inch line is sufficient for lengths up to 250 feet; 1/2-inch line will deliver adequate water pressure up to 350 feet; and 3/4-inch tubing is necessary to run a 500-foot line.
What size PEX should you use in a bathroom?
What size PEX for the bathroom to use? Usually, ½ and ¾ of inch PEX pipes are used in your bathrooms.
Can PEX be used as a shower supply?
Use threaded PEX water line fittings for shower valves. Tighten the fittings before crimping the PEX water line. A plastic bracket forms the sharpest 90-degree angle permitted for this brand of PEX.
Can you use 3/4 PEX tub spout?
1. Use a 3/4″ PEX crimp to 1/2″ FIP adapter at the valve and a 3/4″ PEX crimp to 1/2″ FIP drop-ear elbow to hold the tub spout (with 3/4″ PEX between them, of course). 2. Use the Sharkbite Shower/Tub Installation Kit, which push-connects onto 1/2″ hard copper between the valve and the spout.
What size pipe is used for bathroom sink?
The standard size for a bathroom sink drain pipe is 1.25 inches in diameter. However, this is determined based on your state’s housing code, and you may find that they suggest 1.5 inches or 1.65 inches in diameter, and your home has been built with this plumbing standard.
How many fixtures can 3/4 water line supply?
14
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.
What size water line goes to a shower?
Size of Water Supply Pipes
Nearly all tub and shower faucets require a one-half inch diameter water supply pipe on both the hot and cold supplies.
Can you plumb a house with 1/2 inch PEX?
It’s a good idea to install 1/2-inch or 3/4-inch PEX for your main lines for adequate water flow. When replacing old water supply lines with PEX the standard is to use the same size plumbing, although you can transition from 3/4-inch to 1/2-inch plumbing with an adapter.
Where should you not use PEX?
PEX can’t be installed in high heat areas.
You can’t install PEX in high heat areas like near recessed lighting. This also means you can’t connect PEX directly to a hot water heater, but you can use a connecting material to do this.
Can I use PEX pipe for a tub spout?
The tub spout can be copper, brass, or galvanized pipe. You cannot use pex because the pipe coming out of the valve needs to be able to support the weight of the tub spout and handle the abuse of pulling/ pushing down of the divirter built into the spout.
Can you use SharkBite for tub spout?
If you are trying to install a screw-on tub spout, it might not tighten up, because the SharkBite adapter will spin. You would need to use a wrench to tighten the SharkBite side, and that would be hard to do inside the spout.
How high should the tub spout be above the tub?
Standard Bathtub Faucet and Spout Height
The spout should be placed at 4 inches above the bathtub’s rim to comply with the building codes that require that there be a 2 inches air gap above the overflow rim of the tub.
How far should the tub spout be from the valve?
Measure the distance between the tub spout and the valve. The tub spout can be no less than six inches and no greater than eleven inches below the valve. If the measurement does not meet these criteria, it can cause this to occur. There should only be one elbow from the tub port of the valve to the tub spout.
How far should tub drain be from wall?
Bathtub Drain Measurements
The drain hole should be a minimum of 12 inches away from the wall and 9 inches in scope. To rough in the drain, use a 1.5-inch pipe.
How far should tub spout stick out?
According to the installation manual for the spout, the nipple for the spout should be installed a min of 3/8″ to a max of 3/4″ past the finished wall. There is a pipe adapter that you screw onto the nipple. The spout slides over this adaptor and is set in place with a set screw located on the bottom.
Should you caulk around a bathtub spout?
Bathtub faucets should always be caulked to avoid potential water damage. It can be a quick, easy and inexpensive task.
What kind of pipe do you use for a tub spout?
For slip-on tub spouts, your copper pipe should be a minimum 1″ and a maximum 2-7/8″ in length, depending on the tub spout. Refer to the manufacturer’s specifications prior to purchasing and installing to ensure you have the appropriate length for your spout.
How long should tub stubs be?
between 2” and 3” long
The Stub Out Nipple must be between 2” and 3” long. The end of the Stub Out Nipple should be even. Use Sandpaper to remove burrs and sharp edges from the end of the Tubing and to polish the Tube surface to a smooth, bright copper color.
Are there different size tub spouts?
Tub spout tips: Although there are only two kinds of tub spout types (threaded and slip) there are several “sizes” (lengths) in each group. This is where your patience is important. Not every store carries every length in each type. When we refer to size we do not mean the overall length of the spout.
What is a copper stub out used for?
they are mainly used when installing PEX pipe for plumbing applications and stub out the wall for further connections of outlet stop valves and plumbing fixtures. With the barb connection, the stub out copper elbows go to toilets, sinks, showers and drains including pipes that vent to the roof.
