- The model number is printed on a tag that is attached to the cold water supply line of the faucet.
- The supply line is located below the sink, countertop, bath rim, or behind the bowl of a bidet.
- The model number, or part number, is typically preceded by "P/N."
What is the meaning of M in model?
The root of a model number is the first section of numbers prior to the first dash. ... The "M" falls within the first section of numbers. When an "M" appears this way, it means the faucet is specifically sold in Mexico.