Can PEX pipe be used with a tankless water heater?
PEX tubing may be connected directly to residential electric tank or tankless (instantaneous) water heaters, if the local code and manufacturer’s instructions allow. When connecting PEX tube to gas tank or tankless water heaters, the tube must be kept at least 6 inches away from the exhaust vent of the heater.
Can I use the same vent for tankless water heater?
For the same reason you can’t vent a tankless water heater with a furnace, you won’t be able to use the existing vent pipe from an old gas tank water heater. The existing vent for tankless water heaters is not compatible because most are galvanized vent piping and will rust quickly.
Can you vent a tankless water heater with metal pipe?
The tankless heater cannot share vent piping with any other appliance, and it cannot use a masonry chimney flue for venting. Special stainless steel pipe. The vent pipe must be made of stainless steel designed for venting corrosive gases.
What type of piping is used for tankless water heater?
CPVC pipes are an ideal choice for hot water plumbing. They are made after adding material that goes through extra chlorination process which gives CPVC higher quality.
Can Blue PEX pipe be used for hot water?
Color-Coded: Red PEX pipes can be used for hot water supply lines, blue PEX for cold water supply, and white for either hot or cold.
What is PEX manifold?
A PEX manifold includes separate manifold chambers to serve hot and cold water lines. The cold-water manifold is fed from the main water supply line, and the hot-water manifold is fed from the water heater. Water pressure in manifolds is maintained by the incoming service line.
Can I use PVC to vent my tankless water heater?
In most cases, PVC makes a great venting material. It’s the least expensive option and is easy to install. And it’s a good reason to consider a high-efficiency condensing unit.
How do you run a vent on a tankless water heater?
Quote from the video:
Quote from Youtube video: It's using the air from the room in which it is mounted in this next image you will see the typical mounting of an easy tankless direct vent heater it needs to be very close to or on an exterior wall.
How do you install a tankless water heater vent kit?
Quote from the video:
Quote from Youtube video: Like this this will go through our flashing right here in flashing will be here with those original stormcaller sitting right underneath here. They will connect our pipes under a heater here.
Does a tankless water heater need a 3/4 pipe?
Typically, tankless water heaters require a ¾-in. or 1-in. supply line.
What size gas pipe do I need for a tankless water heater?
A typical tankless water heater will need a ¾-inch gas line. However, if there is sufficient pressure and the run length is short enough, a ½-inch line may be sufficient with certain tankless water heaters, such as the Noritz EZ Series.
Where is PEX not allowed?
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.
Do mice eat PEX pipe?
PEX Pipe Is Vulnerable
Rodents Chewing Through PEX Pipe is a common problem in our area. It doesn’t matter how old your home is, if you have an attic, you need to watch for rodent damage to PEX Pipe or PVC. If you’re hearing rustling noises coming from the attic, it’s time to do an inspection.
What is the lifespan of PEX plumbing?
30 to 50 years
While you can expect PEX to last for 30 to 50 years, copper piping will outdo it by about two decades, with a typical lifespan of 50 to 70 years. Copper is a more durable option that isn’t susceptible to rodents or sunlight. These pipes can easily handle water pressure of up to 1,000 psi.
Can you hook PEX directly to a hot water heater?
Can I Connect PEX to My Water Heater? PEX can’t be directly connected to a water heater.
How close can PEX be to a hot water heater?
The Uniform Plumbing Code (UPC 604.13) states that “PEX tubing shall not be installed within the first 18 inches of piping connected to a water heater.” But the UPC is not used in all jurisdictions.
Can SharkBite fittings be used on a water heater?
Yes, you can use SharkBite fittings on hot water lines. Remember, however, that they only work with copper, PEX, and CPVC pipes.
How hot can PEX handle water?
180°F
2) 180°F is the maximum fluid temperature for PEX tubing.
As the temperature increases the max operating pressure drops. Most PEX tubing will be rated for: 160 psi at 73°F.
Should I use PEX or copper?
While PEX pipes are easier to install, cheaper, and more flexible, copper pipes are sturdier and tend to have a longer lifespan. PEX pipes are best used indoors since they degrade quickly under intense sunlight, but it’s an excellent choice if you’re looking to minimize leaks and energy consumption.
What is the difference between blue and white PEX pipe?
Blue PEX pipe carries cold 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).
