Freeze Protection for all outdoor water supplies. Protect faucets, hoses up to 150 ft., animal waterers, float valves, RV water hookups, water wells, and more. Its patented design allows the FREEZE MISER to sense the internal water temperature and releases water below 37°F. As the water temperature fluctuates, it automatically regulates the drip rate. Where a faucet cover protects the faucet,the Freeze Miser ensures reliable spigot freeze protection andthe water supply line by releasing the least amount of water, even in the most extreme freezing conditions. Outdoor spigot protection 1-Simple Step: Hand-tighten the FREEZE MISER on your exterior faucet/ spigot. Turn on the faucet and open it all the way, to ensure the proper water pressure is available. (Minimum 10 psi). The FREEZE MISER makes outdoor faucet freeze protection dependable, affordable, and water conservation a reality. Utilizing a Y valve or hose splitter,will allow you to connect to a garden hose and keep the hose from freezing as well as a animal waterer. By using a Y connector on a faucet allows you to not have to take the Freeze Miser off your spigot, insuring spigot and water line freeze protection.