Getting to Know the Watts 900 Backflow Preventer
If you've spotted a watts 900 backflow preventer in your utility room or basement, you're looking at a classic piece of plumbing history that's still doing heavy lifting today. These devices are essentially the bouncers of your plumbing system; they make sure water only flows in one direction and kick out anything that tries to sneak back into the main supply. While Watts has since released newer models, the 900 series remains a common sight in many older homes and commercial buildings because, frankly, they were built like tanks. ...