Best Backflow Assemblies in Washington DC

I’ve gone to Durance Plumbing for all of our plumbing needs over the past 10 years in two different houses. They are by far the most professional, provide the best value and perform the best work. Kirk and Adam are the most honest plumbers you will ever encounter. We just had to have a new hot water heater replaced and decided to get several quotes. Durance Plumbing was much lower than their competitors and they did amazing work! Hands down the best plumbers in the DC Metro area, and most importantly you’ll pay the fairest price due to their honesty and integrity. Fully recommend you call them first for your plumbing needs!