Therm [Jacuzzi Spas J-400] 15" Hi-Flow 5.5kW Titanium Heater (6500-417) pulsafeeder When the cartridge media loses

When the cartridge media loses effectiveness

leaks backward

An O-ring like this is useful because it helps maintain a cleaner seal between the housing sections

Confirm part number R0965100

Helps restore reliable threaded connection points

Therm [Jacuzzi Spas J-400] 15" Hi-Flow 5.5kW Titanium Heater (6500-417) pulsafeeder When the cartridge media losesTherm [Jacuzzi Spas J 400] 15" Hi Flow 5. 5kW Titanium Heater (6500 417) provides a targeted heating solution for Jacuzzi Spas J 400, combining the specified output and construction needed to restore consistent water heating without relying on a generic substitute. Its 5. 5kW heating output, 15" heater length and high flow configuration should be matched to the original equipment requirements before installation, since spa heaters are not universally