Raypak 403A/405A Tube Bundle (004674F) hergaelectric heating and water-movement functions can

heating and water-movement functions can become inconsistent across the spa

and dimensional accuracy directly affect water output

Useful when the original housing section is worn or damaged

Smaller panels can feel cluttered when the overlay is worn

Raypak 403A/405A Tube Bundle (004674F) hergaelectric heating and water-movement functions canThe Raypak tube bundle is designed for compatible 403A and 405A heater applications where the supported heat transfer assembly needs replacement. A tube bundle is useful because it forms one of the core internal heating sections of the heater, helping transfer heat effectively into the water system. This replacement is especially useful when the original bundle is leaking, scaled, damaged, or no longer dependable. Matching the correct tube bundle