# How Large Of Pipe To Supply Water To 9 Houses?

## 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.

## How do I calculate water pipe size?

Measure the Outside Diameter (OD) of your pipe or pipe fitting:

1. Wrap a string around the pipe.
2. Mark the point where the string touches together.
3. Use a ruler or measuring tape to find the length between the tip of the string and the mark you made (circumference)
4. Divide the circumference by 3.14159.

## What size water line do you run from meter to house?

The most common requirement is that you use about 4′ of 1″ copper at the meter, then connect the 1 1/2″ PVC running to the house.

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## How many fixtures can 3/4 water line supply?

On an 3/4″ supply line you can have two fixtures working together continuously but if, the supply is from Over Head Tank with 20 ‘ head than 3 at a time. So a 3/4″ line is sufficient for a toilet. You should go in for 1″ water line in case you have bath tub too to fill.

## Who is responsible for water pipe from meter to house?

In most cases, it’s your responsibility to maintain the supply pipe. This is the section of the service pipe from the boundary of your property – usually where the water meter and stop valve are – into the property itself.

## Does increasing pipe diameter increase water pressure?

The more water that is being forced through a pipe, the more pressure there will naturally be. Through any pipe size, higher water pressure will cause greater water flow. The pressure will decrease downstream, however, because of loss of friction and water velocity increase.

## Can I use PEX for main water line?

You can use PEX for the water line. Sometimes it’s good to go up a size since the OD is copper sizing, meaning that the ID is smaller than copper. Or you can also use Poly, which has copper ID size, and a larger OD.

## What is the best water pipe to run underground?

Although there are many options for underground water pipes, HDPE pipes and PEX pipes are generally the best choices for an underground water line. These durable pipes are resistant to corrosion and rusting, ideal for running an underground water line.

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## What is the best pipe for main water line?

Galvanized Piping Galvanized metal is commonly used in construction, but pipes made from galvanized steel can be used in plumbing applications. This particular type of pipe is best used for water lines, as gas lines can cause the zinc to corrode and damage the pipe or block the entire system.

## What is the best pipe for water main?

Schedule 40 PVC or copper is the best way to go with water mains.

## How many fixtures can 2 water line supply?

Under the Uniform Plumbing Code, a 2″ vent can handle 24 fixture units (F.U).

## Can I run 3 4 PEX to 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.

## 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.