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Watts introduces the IntelliFlow automatic washing machine shutoff valve, now with smart and connected capabilities. The Watts IntelliFlow uses a state-of-the-art electronic control device that senses washing machine current flow. It automatically turns off the water to the washing machine when it is not in use, protecting a customer’s home or business from potential flooding due to a burst or broken washing machine water supply hose. In addition, the IntelliFlow now features Wi-Fi connectivity, enabling customers to receive text and email alerts in case of a leak from their washing machine.

The 4" Watts 909 Series Reduced Pressure Zone Assemblies were manufactured from 1979 and are still currently in production. The 4" 909 is a cast iron bodied device. In 1989 the 909M1 replaced the original 909. The difference was the relief valve body changed for bronze to cast iron. The relief valve bottom plug was also redesigned. Many devices were not tagged with the "M1" suffix. To be sure which model you have, check the relief valve body. The 909 will be bronze and the 909M1 will be blue epoxy coated cast iron. Check valves are self contained and the relief valve is a stem type. In 2010, the LF909 was introduced to comply with the new "Lead Free" laws. All repair parts were converted to lead free in 2013. Lead free repair parts will fit both regular 909 and lead free LF909 models. All 909 models have replaceable seats and require no special tools for repair. Maintenance ManualSpecification Sheet