Features: Make of Coppers materials, strong, rustproof, corrosion resistant, can used for long terms.<br>Safety Valves of a water heater is a multifunctional storage type electric water heater safety relief Valves, suitable for electric water heaters and air sources water heaters.<br>It also have the functions of a check Valves and a pressure relief Valves, which can prevent water from flowing back into the electric water heater.<br>Discharge excesses pressure when the pressure inside the electric water heater is too high, ensuring the life of the inner tanks and avoiding the occurrence of bursting accidents.<br>A safety check Valves is used to protect against overpressure in closed water. It determines the flows direction of the medium used, the flows of water, only allows in 1 direction.<br><br>Specifications: Materials: Coppers<br>Size: about 6x4.2x2.50cm/2.36x1.65x0.98inch<br><br>Package Includes: 1pc Pressure Relief Valves<br><br>note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.<br>