Generic O-Ring [17" ID] [17/32" CS] O-470 (O-470) lightingparts Intermatic PB913 24-hour panel-mount timer

Intermatic PB913 24-hour panel-mount timer for 115 volt SPST applications

An air button provides a manual pneumatic control point for a compatible system

A spa control system is one of the most important parts of making the whole spa feel dependable

The 27203-300-010 is a practical service part when a compatible 56-frame pump needs a volute to restore dependable wet-end performance

Generic O-Ring [17" ID] [17/32" CS] O-470 (O-470) lightingparts Intermatic PB913 24-hour panel-mount timerAn O ring helps create a dependable seal at a compatible extra large circular connection, and this generic version is sized with a 17 inch inside diameter and 17 32 inch cross section using the O 470 reference. When a very large heavy profile O ring becomes flattened, cut, or damaged, the assembly can lose the sealing support it should maintain around the full circumference. The 17 32 inch cross section gives this O ring practical value because some