Table of Contents
Can PEX be used on a 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.
What size water line goes to hot water heater?
“Most homes will need 3/4”. Some of the older houses in town, though, piped the entire hot water system in 1/2”, to get the hot water faster and cut down on waste.”Jun 14, 2018.
Is 1 2 PEX big enough for water heater?
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 diameter PEX should I use?
PEX is available in 3/8- to 1-inch diameters. 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.
How far should PEX be from 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.
How far can you run a 1 inch water line?
Vertically it can lift it a little over 92 feet. The issue with horizontal distance is friction loss.
What size is hot water pipe?
Even though the water pipes differ for the most part, the size of the water supply pipes to your fixtures would be the same for both hot and cold lines. Standard sinks and tubs would use 1/2″ supply lines, and toilets use a single 3/8″ line.
Is 1 2 PEX OK for shower?
As long as the supply lines for the shower tie into a 3/4″ line, 1/2″ will be fine. I use a Delta shower faucet that already has pex adapters made into the valve body, no threading or sweating, just crimp and you’re done.
Can I run 3 4 PEX to shower?
Most fixtures (sink, toilet, tub, shower) don’t need 3/4 all the way, but it is not forbidden or bad to do so. When branching off, you can use a PEX Tee fitting that also reduces. You can branch off at 1/2 at each fixture, and continue with 3/4 until the next branch off.
Will 3/4 PEX fit inside 1 PVC?
Any 3/4″ sch 40/80 pipe will fit very tightly into 1″ Sch 40.
Can I use blue PEX 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. These colors are just for your convenience. Plumbing code does not require the pipe color to match the type of water supply.
How do you tell what size PEX you have?
PEX tubing sizes are denoted by CTS (copper tubing size), not OD (Outside Diameter) or ID (Inside Diameter). OD of PEX, copper and CPVC pipe with the same size (CTS) is the same. This is why push fittings can be used with all of these pipes.
Is 1 2 PEX big enough for hose bib?
1/2″ is fine for individual fixtures such as sinks and dishwashers, but high flow fancy showers should be 3/4″ Also, your trunk line should have been 3/4″. It also depends upon the water pressure supplied by your utility or well. If it’s high enough, you can “get by” with 1/2″ but bigger is usually better.
Why can’t you connect PEX directly to a water heater?
The only restriction is that you can’t connect it directly to the top of a gas water heater because of the temperatures associated with the flue. That restriction doesn’t apply to electric water heaters.
Which PEX connection is best?
PEX-A, which has the most flexible tubing and best freeze- and kink resistance, is ideal for use with kitchen and bath fixtures. PEX-B is slightly less flexible and less freeze-resistant.
Can you use SharkBite on hot water heater?
SharkBite hot water heater connections are approved for use on electric or gas water heaters with a flu vent.
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.
What size waterline should I run to my house?
In the case of a three family house an 1 1/2″ service line is typically required. Again the exception would be if the length of the run of pipe was only 35′ or less. In most cases a six family house or greater will require a 2″ water service line.
What size should a water supply line be?
In most cases, the main pipeline from the street to your home is either 3/4 or 1 inch in diameter, supply branches use 3/4-inch-diameter pipe, and pipes for individual components are 1/2 inch. Remember that water pressure decreases by a half-pound per square inch for every foot pipes extend above your water supply.
