Quick Answer: Can I Run PEX Through Floor Joists?

Can PEX be connected directly to a water heater?

PEX can’t be directly connected to a water heater.

First extend a pipe 18 in.

from your water heater and connect the PEX to the pipe..

Where is PEX not allowed?

Pex not being allowed in commercial or industrial buildings, and thus not in residential buildings deemed “commercial industrial”.

How far does PEX need to be from water heater?

PEX shall not be installed within the first 18 inches (457 mm) of piping connected to a water heater.

Can I run 3 4 PEX to shower?

3/4″ pex is somewhat larger than 1/2″ copper, and 3/4″ copper is probably a good size for a bathroom group. If the pressure drops on the cold side (sink and someone flushes the toilet), that may be enough with 1/2″ line to cause a pressure balance valve to throttle the hot side while it’s also feeding the shower.

Can I run plumbing through floor joists?

The maximum allowable diameter of a hole in any solid-lumber joist is one-third of the joist’s depth. Notches can’t be deeper than one-sixth of the joist depth. … Although notches aren’t allowed in the center third of a joist’s length, you can drill holes anywhere along the length of the floor joist in that 5 1⁄4-in.

Why is PEX banned in California?

Despite its best efforts, the cross-linked polyethylene (PEX) industry has been unable to have its products added to California’s plumbing code for very long. Opponents of the products, including environmentalists and construction unions, have repeatedly filed lawsuits impeding the industry’s progress.

What is wrong with PEX plumbing?

PEX failures Its major failures is linked to piping and fitting. … It can leach toxic chemicals from pipe material also. On the other hand, fitting failure is caused by dezincification that results to corrosion and finally creating leaks. The various causes of PEX plumbing system failures are discussed at length.

Is 1 2 PEX big enough for shower?

Pressure Drop Considerations 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.

Does PEX reduce water pressure?

The reality is that even PEX expansion fittings, which are sometimes referred to as “full-flow,” restrict flow rates. … At a rate of 8 feet per second, the CPVC fitting will cause less than 1% restriction in flow while PEX fittings create a 23% to 54% reduction in flow, depending on the fitting used.

How big of a hole can you drill in a 2×10 floor joist?

The maximum allowable diameter of a hole in any solid-lumber joist is one-third of the joist’s depth. Notches can’t be deeper than one-sixth of the joist depth. In the case of your 2×10 joists, the maximum diameter is 35⁄64 in. (91⁄4 in.

How big of a hole Can I drill in a 2×8 floor joist?

Keep the hole at least 2 in. from the top and the bottom if it’s a dimensional lumber joist. The hole cannot be larger than one-third the depth of the joist, so the maximum hole size for a 2×12 joist (actual size 1-1/2 x 11-1/4 in.) is 3-3/4 in. diameter—plenty big enough for running cable!