Generic Buna-N O-Ring [14" ID] [3/16" CS] (O-474) pumpmotors Flo thru heaters are useful

Flo thru heaters are useful because they provide direct in-line heating while preserving the plumbing path and heater layout the spa system was built around

Helps restore the complete fitting

That helps keep repairs practical and focused on the exact source of leakage

That makes it especially appealing for homeowners who want a meaningful visual improvement from a targeted part replacement

Generic Buna-N O-Ring [14" ID] [3/16" CS] (O-474) pumpmotors Flo thru heaters are usefulA Buna N O ring helps create a seal at a compatible large diameter circular connection, and this generic version is sized with a 14 inch inside diameter and 3 16 inch cross section using the O 474 reference. When a large O ring becomes worn, stretched, or flattened, the assembly can lose the sealing support it should maintain across the full connection. The 14 inch inside diameter gives this O ring practical value because large circular assemblies