Can PEX be used for heating oil?

Yes, PEX pipe is approved for radiant or hydronic heating applications. Since ferrous components are likely to be present in the system, it is important to use oxygen barrier PEX pipe to help prevent ferrous components from rusting.

Can PEX be used for diesel fuel?

Full Access Member. Pex is fine, I have had one on my diesel Mercedes for 3+ years.

Is PEX resistant to gasoline?

PEX piping is used to transport oil, natural gas, hazardous chemicals, and sewage or slurry for waste treatment. Although PEX Tubing is considered fully resistant to many chemicals, we recommend a reduction of the maximum pressure applied at 180°F to 80%.

Can white PEX be used for heating?

Red PEX pipe carries hot water. White PEX pipe can be used for either hot or cold water. Gray PEX pipe, like white, can be used for either hot or cold water (although not all DIY centers carry gray).

Is PEX chemical resistant?

Although PEX Tubing is considered fully resistant to many chemicals, we recommend a reduction of the maximum pressure applied at 180°F to 80%.

Does PEX tubing need to be secured?

National plumbing codes require PEX to be secured every 32 inches horizontally. Hangers help protect PEX pipe both during and after rough installation, as the pipe is often pulled through studs or over studs or just mounted to them.

Will bleach hurt PEX pipe?

Most water in the U.S. is treated with some level of chlorine in order to disinfect the water supply. It has been found that chlorine can cause oxidation on the inner wall of PEX piping, eventually resulting in failure.

Is PEX alcohol safe?

There are no health risks associated with drinking water from PEX pipes. A few types of PEX-pipe may cause prolonged undesirable taste and odour if the water remains in pipes over time.

Is PEX compatible with glycol?

In order to prevent water in PEX tubing from freezing in a closed loop radiant heating or snow melt systems, it can be mixed with anti-freeze. Ethylene Glycol is toxic and is used mainly for automotives and is not to be used in hydronic systems.

Why is PEX banned in California?

PEX was banned in California due to some concerns about toxic materials leaking through the pipe and into water. Through various national laboratory tests, PEX has proven to be completely safe and durable. It is now legal in California and even included in principal plumbing codes.

Should I use PEX A or PEX-B?

PEX-A is the most flexible of all PEX tubing types, has little or no coil memory and gives installer an ability to repair kinks with a heat gun. 8 times the OD for PEX-B & C) is helpful, but offers little practical advantage in most cases. PEX-B is a clear winner in terms of price vs. both other types.

What are the disadvantages of PEX?

PEX Plumbing Pipe Disadvantages While PEX has numerous benefits, it should not be used outdoors. PEX is vulnerable to UV rays, which leads to premature degradation and it will not withstand outdoor conditions of extreme cold. PEX is engineered only for indoor use. PEX can’t be recycled.