FitRite Insulated Backflow Valve Cover - 21-Inch x 16.5-Inch

There are far too many other things you need to worry about, so let us take care of your backflow device with the Fit-Rite II insulated backflow/RP cover. When used properly in combination with the proper draining and winterizing of your sprinkler system, this cover will help prevent sprinkler backflow valves from freezing when the outside temperature falls below 32 degrees Fahrenheit. Simply place the Fit-Rite II cover over the sprinkler valve and secure. Cover helps prevent backflow device from freezing after winterization* Aluminum lining for extra protection from cold Protects against temperatures as low as -22° F (-30° C), which covers most of the USA during the winter Extends your watering season Allows backflow devices to function properly Made for virtually all brands of PVBs/RPs Durable weatherproof material, UV/cold resistant Easy installation, installs in seconds