The Speakman STW-362 Safe-T-Zone Thermostatic Mixing Valve is a high-quality, cost-effective solution for supplying tepid water to your emergency shower. Featuring a 38.0 GPM flow capacity at 30 PSI. Every Safe-T-Zone is able to support an emergency combination station, an emergency shower, or multiple eye, eye/face washes. Valve is preset to 85° F, but is equipped with an adjustable set point, enabling you to set a custom temperature limit ideal for your facility ensuring you are within ANSI/ISEA Z358.1 guidelines. The Safe-T-Zone Valve provides 24.9 GPM cold water bypass in the event of a hot water failure and includes a positive shut-off when the cold water supply is lost. The Speakman Safe-T-Zone is constructed entirely of brass and is certified to ASSE 1071, CSA B125.3, ANSI/NSF 372 standards as well as being cUPC certified.