Generic O-Ring [25" ID] [17/32" CS] O-486 (O-486) fittingsother 5 kW FloThru heater

5 kW FloThru heater

Using the right sensor cable helps preserve the integrity of the sensing side of the system

Useful when original heaters are worn or inconsistent

A failing pack can make the spa feel inconsistent in ways that are hard to live with

Helps restore flow

Generic O-Ring [25" ID] [17/32" CS] O-486 (O-486) fittingsother 5 kW FloThru heaterAn O ring helps create a dependable seal at a compatible extra large circular connection, and this generic version is sized with a 25 inch inside diameter and 17 32 inch cross section using the O 486 reference. When a very large heavy profile O ring becomes worn, flattened, 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