The Safety Valve Is Use At The Geyser For Overheating Protection. It Opens Up And Discharges The Boiling Water Out Into The Discharge Pipe. In Turn Cold Water Will Enter And Cooling It Down Saving Your Geyser.*Can Be Used In All Andris Lux Geysers.
Didn't wait long for package to arrive at my house and product is good quality and easy to assemble, I'm very happy with this product and will gladly buy from this store online again.