Tri-County Plumbing and Backflow LLC offers the personal touch for all your backflow needs. We specialize in annual backflow testing, repair and installation for irrigation, fire and domestic water systems. We provide competitive prices and top quality service with a personal touch. We’re looking forward to partnering with Northern Illinois and Chicagoland suburbs consumers to continue to offer a premier plumbing experience. We’d like to personally invite you to call for a quote today!