When a spa needs stronger heating capacity, the heater assembly has to do more than simply warm the water. It has to work as a dependable part of the overall system and keep up with real-world use. This BP100 5.5kW FloThru heater assembly is designed for compatible setups that call for a higher-output heater with smooth water passage and steady performance. The FloThru design supports efficient water movement through the heater body, helping the assembly transfer heat without creating unnecessary restriction. That matters in daily use because a heater should support the system rather than become the point where performance starts to feel slow or uneven. A 5.5kW heater is not a casual replacement. Matching the proper capacity matters if you want the spa to perform the way it was originally intended. Using the correct assembly helps preserve that design balance and makes the repair cleaner from the start. Once installed in the right application, this heater helps the spa return to a more dependable heating pattern, with stronger recovery and a more trustworthy temperature experience for the homeowner. 5.5kW FloThru heater assembly for compatible BP100 systems Supports stronger heating capacity and steady heat transfer Designed for smoother water passage through the heater body Useful when replacing a worn or underperforming heater assembly Helps restore reliable spa temperature performance
![Balboa BP100 5.5kW [15" x 2"] FloThru Spa Heater (G7511)](https://cdn.shopify.com/s/files/1/1751/9347/files/46-138-1304_XL.jpg?v=1718049945&width=480)
