What's the size of the household water meters?
How big is the size, and I'm afraid it's not enough
Household water meter in general with 4 - meter or 6 - meter list on it, the industry called 15MM or 20MM;
Household water meter is usually 15 or 20 caliber majority, there will be a small amount of 25, 32 of the water meter, water gauge caliber depends on the installation of the pipe diameter of the house, that is, usually 4 points, 6 in charge.
