Seems like established technology with common metals fabricating a simple mechanism. What differentiates a relatively inexpensive, contractor-grade faucet from one that costs anywhere from double to 10x the price?
Seems like established technology with common metals fabricating a simple mechanism. What differentiates a relatively inexpensive, contractor-grade faucet from one that costs anywhere from double to 10x the price?
domestic water pressure varies around 30-80 PSI. Faucet has to deal with smoothly managing that pressure at all times (on 2 lines) while allowing selective amounts out daily for years.
The $12 ones on Ali Express will leak and break within a year. That $60 Kohler faucet may go 10 years before you need to replace a washer and 20 years with no issues before it gets replaced. Kohler faucets also have a limited lifetime warranty against leaks. I assume other higher end manufacturers offer something similar.
When measured against the expected use it's a pretty good bargain unless you get one that's super fancy with unnecessary add ons.