Wide Applicability: This heater is suitable for Balboa BP Series control systems, such as BP501G1, BP501G3, BP2000G1, BP7, as well as for Balboa VS Series and EL2001 Series control systems, such as VS501Z, VS510SZ, VS520SZ, and EL2001M3. High Quality: Equipped with a 316 stainless steel heater housing and a 5.5KW Incoloy Flo-Thru heater element, it also supports Balboa OEM M7 dual sensors. Easy to Use: The 58083 M-7 Heater Assembly can be used as a replacement heater for spas or hot tubs, featuring its own sensors, front-mounted design for user convenience, and easy servicing. 1 heater, 1 pair of 2. 0 heater split nuts, 1 pair of 2. 0 heater tailpieces with o-ring gaskets. If you need return, please contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation. Thank you for your understanding. We aims to provide the best service for our customer.
