The Speakman Sentinel Mark II Shower Valve line is designed to provide high quality anti-scald pressure balanced protection. Speakman Sentinel Mark II Valves feature an independent center sleeve which allows up to 1 In. of roughing in variation. Temperature can be adjusted through the temperature limit stops and the valves have a ceramic temperature regulating module. Sentinel Mark II SM-3400 valves feature polished chrome plated brass trim with a metal index plate and are vandal resistant. Each valve is equipped with integral stops. Sentinel Mark II valves provide superior protection down to 2.0 GPM. The SM-3420 features a metal lever handle for easy operation. The SM-3420 includes an S-2280 wall mounted showerhead.Includes S-2280 wall mounted showerhead Four port valve with 1 2 NPTF inlets outlets and integral stops Polished chrome plated brass Includes 1 2 pipe plug Meets ASSE 1016 and ASME A112.18.1 CSA B125.1ADA Compliant: Yes Collection: Sentinel Mark II Finish: Polished Chrome Handle Style: Metal Lever Handles: 1 Material: Brass Meets ARRA: Yes Number of holes: 1 Pressure Balanced: Yes Scald Guard: Yes Showerhead: Multi Function Showerhead Flow Rate: 2.5 Showerhead Shape: Round Style: Contemporary Modern Type: Shower Faucets Valve Included: Yes Valve Type: Ceramic Disc