Hydro Quip Versi Heat 6000 7000 4.0 kW [15" x 2 1 4"] Heater (26 85B 000 1PP3) appliedcomputer while the stainless steel paddle while the stainless steel paddle adds appeal for buyers who want a more premium internal valve component Specialty spa bulbs are useful because they renew both function and atmosphere without requiring replacement of the full lighting housing Using a properly matched replacement helps protect the surrounding equipment and keeps the repair focused on the component that actually needs attention This description is written to help shoppers identify the repair item clearly rather than relying on a generic heater part listing