We’ve been working with Hydra-Stop for over fifteen years now; they have a great product that is also affordable. They’re constantly upgrading their products and incorporating our feedback which is appreciated. We ran into some issues with the pipe IDs changing over time which required valve adjustments and Hydra-Stop delivered. Their ability to respond to our changing needs is what sets them apart from others. We even invested in purchasing their service equipment when it was available and are happy we did so. I’m pleased with Hydra-Stop and what they bring to the market.