Sentinel Mark II® Exposed Anti-scald Pressure Balanced showers feature a brass lever handle for easy activation. The S-1590-AF has an adjustable temperature limit stop. The valve body is solid brass and included spring check stops. Integral mounting lugs are concealed and the showers 1/2 copper tube inlets can be passed through the wall or dropped from the ceiling. The S-1590-AF is equipped with an 18 ga stainless steel cover and soap dish. The S-1590-AF meets ASME A112.18.1/CSA B125.1 and ASSE 1016 standards.