I’ve never seen this item at stock at a store, it’s always been a ship to store item.
Yes. The deck plate will work with the kitchen faucet.
Yes. The installation method is the same for both kitchen and bathroom deck plate. The plate will cover up holes that's up to 8 inches apart. However, the holes must be in a straight line in order for this to work.
This plate is designed for a kitchen sink. However, it is possible to cover up holes that's up to 4.5" apart from the center hole. The holes should not be more than 1.5" in diameter otherwise the plate will not be able to cover them completely.
Yes. There is a rubber gasket under the metal plate.
Hi Grace, Unfortunately we do not carry such model 21925. We'd recommend checking with the local Home Depot or plumbing stores for the exact parts you need. Sincerely, Luxier
Yes. It will fit the KTS12-TC faucet.
The hole size is consistent with typical faucet holes in sinks, you should be fine. The faucet is meant to extend beyond the hole size.
It is mostly in rectangle shape except the mid section is slightly bulged out with square corners as shown the product photo. It will cover the existing holes as long as the distance between the 2 holes are within 10 inches measured from center to center.
Yes, there's a gasket that fits between the plate and the sink.