They also made check valves. Jandy came out with their own valves and the same basic design is over 20 years old. They have made many improvements over the years. Jandy valves are by far the best and most popular in the industry.
Jandy Never Lube and Check Valves comes with a 1-year warranty
The large Jandy Check Valve is designed with a clear lid and a red seal plate for easy inspection and has a unique swing/spring design. It is made of the toughest CPVC material and easily disassembles for clearing debris. The new Large Jandy Check Valve is 2.5″ by 3″ making it the largest valve of its kind on the market. The large 3 inch dimension is designed to easily connect with Jandy’s 3hp Stealth pump, while the 2 1/2 inch dimension allows for easy plumbing at the equipment pad to other Jandy universal union connections. The Large Jandy Check Valve can handle flow rates up to 170 gallons per minute with minimal head loss, making it great for spas and water features that require high flow rates.
NeverLube Valves are designed and engineered to be totally maintenance free. They are easy to install and easy to use. We use the best materials and best design for the ultimate combination structural integrity and hydraulic flow.