Why the 909 backflow preventer is a solid choice
Picking out a 909 backflow preventer isn't exactly like shopping for a new car, but it's definitely one of the most important components in your building's plumbing system. Most people don't think about their water supply until something goes wrong, but if you're in a situation where cross-contamination is a risk, this little piece of engineering is essentially the gatekeeper of your health. It's a Reduced Pressure Zone (RPZ) assembly, which is basically a fancy way of saying it's the heavy-duty version of backflow protection. ...