Balboa VS M7 5.5KW Heater Assembly with Dual Sensors and attached BP Style Heater Cable. Balboa's latest plug-and-click spa heater. OEM part number 58306. This heater is normally found on the Balboa BP Series Control Systems such as BP501G1, BP501G3 and BP2000G1.
Stainless Steel Heater Housing (approx. 15" L x 2" diameter (Actual hole diameter is 2.25"). 5.5 kW Incoloy Flo-Thru Heater Element.