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Water Safety & Flow Control



Thermostatic Mixing Valves



1/2 in. (15mm)


Series L111 Thermostatic Mixing Valve is used in commercial, educational, and institutional applications to mix hot and cold water in hot water supply systems at point-of-use locations, such as in under-the-sink installations. It consists of a tamper resistant cover, brass body construction with NPT threaded, female inlet and outlet connections, EPDM O-rings, polysulfone cartridge, and polysulfone, tamper-resistant cover. Series L111 offers high flow rate (up to 10 gpm (38 lpm), is easy to install and maintain, and can be mounted to a wall or suitable enclosure. It is ideal for supplying tempered water to sinks, showers, or lavatories in schools, restaurants, hospitals, nursing homes, and public restrooms. Working Pressure: 125psi (8.6 bar). Accurate within +/-3°F (+/-1.7°C). Temperature Range: 80°F to 120°F (27°C to 49°C). ASSE 1069 and 1070 listed.

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Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

Learn About

Thermostatic Mixing Valves

Every year thousands suffer injuries as a result of hot water scalding and thermal shock injuries. Thermostatic mixing valves protect against these dangers.

To learn more about thermostatic mixing valves and how they work, click here.