I'm installing a tub in a remodel bathroom. Just a tub, no shower. I'd like to have a single-handle control, and a hand shower.
Such fixtures are scarce, and most out of my budget. I'm wondering, single-handle mixers are everywhere in walls: everyone has seen one of these:
Trouble is such a large trim ring on the deck of the tub would be...awkward. However, it's usually possible to purchase just the valve mechanism. Is it generally possible to take the value, but put a more ordinary deck-mount handle on it, for example:
The answer must be manufacturer dependent, but I can't even find where manufacturers say what knobs are compatible with what valves. Is this a thing people do? Am I searching for the wrong terms?