Heater assembly 27-G0413-7S operates with a 5.5kW element.

This flo thru heater assembly is 2 1/4in wide x 13 inches long.

Universal rite fit heater assembly.

Heater 5.5kW 13-inch as found in 3000 and 7000 Series United Spa Controls and other hot tub control systems.

(not pictured)