Jandy Pro Series Valves with Never Lube Technology - the Industry's Best-Selling Valve for Over 20 Years The Never Lube Valve is completely maintenance-free and built from the toughest CPVC material. It can withstand extreme chemical and temperature fluctuations without ever leaking, cracking or breaking. It's available in 1.5 in. x 2 in., 2 in. x 2.5 in. and 2.5 in. x 3 in. sizes for easy use in conjunction with the Jandy Valve Actuator for automatic operation. The large 2-port and 3-port diverter valves are both 2.5 in. x 3 in., making them the largest valves on the market.