Are all the faucets the same size?
Commonly used faucet diameter DN15 (also called 4 points), there are caliber DN20 faucet, but rarely used, and then have not seen a large.
Commonly used faucet specifications DN15 (also called 4 points or called 1/2 teeth) and diameter for the DN20 bones Fen melon leters wind pressure fine (also called 6 points or 3/4 teeth) faucet, usually with a small faucet Including Ping Tsui (or called quick open) are generally 4-point diameter, washing machine faucet is also more common for 4 points, these two types of faucet also has 6 points, but the average family is not commonly used. But we use the bathtub with three leading, or shower faucet, is the shower with the back of the two hex nuts (lock nuts) are DN20 caliber (6 points) of course double-hole basin faucet or called basin faucet are DN15 (4 Points) is currently popular single-hole faucet, or some kitchen faucet, manufacturers with a single barrel for 4 points to connect a triangular valve is relatively small (specific specifications I do not know) used to connect the leading
