The HG160 LF is a next generation temperature actuated mixing valve that mixes hot water with cold to deliver tempered water at a controlled temperature. The Heatguard 160 is designed to assist in prevention of scalding and thermal shock. The Heatguard 160 LF is a compact, robust, simple product incorporating the latest in thermostatic technology. Every valve is tested for performance prior to shipping. Adjustable and lockable mechanism minimizes unauthorized tampering with valve setting. Each valve is factory set and locked to a maximum 120 degrees F (49 degrees C). Adj. Outlet temperature range: 95-120 degrees F (35-48.9 degrees C).