Product Description
The Balboa 5.5 kW low-flow square back heater is designed to replace existing Sundance & Jacuzzi hot tub heaters. This model is rated at 5.5kW and operates at 230V.
Balboa Part Number: 58371
Quick Specs
- Brand: Balboa (for Sundance & Jacuzzi)
- kW: 5.5 kW
- Voltage: 230V
- Dimensions: 23″ x 10″ x 15″ (Square Back Unit)
- Power Source: Wire w/ spade connector
- Pressure Switch: NA
- Gaskets: NA
- Tailpiece | Split Nuts: NA
- Sensors: NA
- This is a generic heater manufactured by Balboa (not an OEM Sundance or Jacuzzi part).
Important Information
- The 58371 is a direct replacement for older models including the 6698, 6698.1, C3229-1A, C3229-2A, 6500-402, 6500-403, 58371, 26-3229-2A-7T-K, 66980SEH-5500-NH-6698, 1-HA-E24055LS, 316141, 58315, 6698.1, 66981, C3229-2, SEH-5500-NH-6698.
- Fits the following Jacuzzi hot tub models:
- J-310 (2002-2003)
- J-335 & J-345 (2004 – 2015)
- J-325 (2005 – 2007)
- J-375, J-365 & J-355 (2007 – 2015)
- J-385 (2014 – 2015)
- Jacuzzi Stainless Steel Adapter: 6540-034 (sold separately). This may be required for the Jacuzzi spa heater replacement as the original were plastic 2011-pre.
- Fits the following Sundance hot tub models:
- Palermo, Bahia & Cayman (2003 – 2006)
- Hartford & Hamilton (2007 – 680 model w/ circulation pump)
- Hamilton, Chelsee, Certa & Camden (2007+ | 780 model)
- Hartford & Hawthorne (2008+ | 680 model w/ circulation pump)








