one inch for a water closet, 3/4 for urinal
Flushometer 1" -11/4"=Tank type 3/8" IPS 5/8 OD copper or tank supply 3/8 compression=
1"
Check your local plumbing code. More than likely 2"
The recommended water supply line size for a residential property is typically 3/4 inch in diameter.
The standard size for a refrigerator water line used to connect the water supply to the refrigerator is typically 1/4 inch in diameter.
24".
For connecting a refrigerator to the water supply, it is recommended to use a 1/4 inch water line.
That depends on the pressures you are running off the Engine and the G.P.M your achieving at the business end? Theoretically, you would need a 3 inch supply line too supplement two 1.5'' lines,You need to put in enough water supply to achieve the output of water, unless your utilizing tank water.
1.5 Inch
The recommended size of a water tank for a well to ensure an adequate supply of water for household needs is typically around 1,000 to 2,500 gallons. This size should be sufficient to meet the daily water requirements of a typical household.
The main piece of information needed is the load wattage or amperage that will be connected to the power supply. Once this is known the power supply of a greater size that the load should be chosen. Also with this information the size of the wires can be calculated from the power supply to the load. Too small a wire will create a voltage drop at the load end of the circuit. This will cause under performance of the load.
To know what size power supply you need, add up the wattage requirements of all components and add 30 percent.