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Water meter: The water meter is a device used to measure the amount of water used in the house.The curb and meter stops are not to be used frequently and can be ruined in a short time if used very frequently. Many codes require a gate valve on the house side of the meter to shut off water for house plumbing repairs. Meter stop: The meter stop is a valve placed on the street side of the water meter to isolate the meter for installation or maintenance.A long-handled wrench is used to reach the valve. Curb stop box: The curb stop box is an access box to the curb stop for opening and closing the valve.Since the corporation stop is usually under the street and would necessitate breaking the pavement to reach the valve, the curb stop is used as the isolation valve. Curb stop: The curb stop is a similar valve used to isolate the building from the main for repairs, nonpayment of water bills, or flooded basements.

The valve incorporated in the corporation stop permits the pressure to be maintained in the main while the service to the building is completed. This connection is usually made of brass and can be connected to the main by use of a special tool without shutting off the municipal supply.

Corporation stop: The corporation stop is connected to the water main.

The connections used should be compatible with the type of pipe used. The materials used for a house service may be copper, cast iron, steel or wrought iron. The local or state plumbing code should be consulted for the recommended depth in your area of the country. This depth varies, however, across the country from north to south. The burying of the line under 4 feet of soil is a commonly accepted depth to prevent freezing. The house service line should also be protected from freezing.

Elbows and bends should be kept to a minimum since these reduce the pressure and therefore the supply of water to fixtures in the house. Water Service: The piping of a house service line should be as short as possible.