All brass construction
Bottom Trim handle contains temperature indicator in Fahrenheit so user can set water to desired temperature with no need to adjust further
Requires rough valve J-TH34-686 for 2 functions, J-TH34-688 for 3 functions, J-TH34-687 for 2 shared functions, or J-TH34-689 for 3 shared functions
Top Trim handle turns the water on and off, controls the volume of the water, and diverts the water