I installed a bathroom faucet for a friend that someone gave to them. I'm worried that it may have some parts missing. It has separate handles for the hot and cold water and the only union between them and the spout is under the sink. When you push the unit up from under the sink the only thing keeping it from falling are the two handles which are secured by turning a single allen head screw on each (the spout is secured to the counter with a square washer and a brass nut, but it just slides over a tube with an o-ring). That doesn't seem very safe to me. Could there be any parts missing?
Also, are those flexible, braided metal hoses allowed in apartment buildings? The old faucet was connected with bendable copper tubing.
Thanks,
--Art