Spa Components 5.5kW [12" x 2"] FloThru Heater [ACC Universal] (B24055K) bathcontrols The Raypak 406A burner tray The Raypak 406A burner tray without burner is designed for compatible sea level heater applications where the supported burner support tray needs replacement while the burner itself is handled separately 5 horsepower fit give this impeller practical value because hydraulic components work best when they match the intended motor and wet end relationship closely It is a practical service part when restoring dependable heating in a compatible ACC style system is the primary goal 12 inch by 2 inch format with 230 volt operation