Waterway 6" Ultra Suction [Model 640-82 2" Insider] (640-8210V) heaters Use the listed part number

Use the listed part number

This replacement is best used for heater repair or rebuild work where voltage

This type of part is especially useful when the main filter body remains serviceable and the issue is centered on the cartridge element itself

That helps keep the repair targeted and protects the look of the original equipment

7 inch diameter

Waterway 6" Ultra Suction [Model 640-82 2" Insider] (640-8210V) heaters Use the listed part numberWaterway 6" Ultra Suction [Model 640 82 2" Insider] (640 8210V) is a Waterway Plastics suction fitting used in compatible pool and spa suction line applications. Suction fittings are important service parts for maintaining proper water intake and supporting safe, efficient circulation when matched to the correct system. This replacement is useful when repairing an existing suction assembly, updating a worn fitting, or matching original Waterway