Product Description
The Balboa 4 kW low-flow trombone style heater is designed to replace existing Sundance & Jacuzzi hot tub heaters. This model is rated at 4kW and operates at 230V.
Balboa Part Number: 58375
Quick Specs
- Brand: Balboa (for Sundance & Jacuzzi)
- kW: 4 kW
- Voltage: 230V
- Dimensions: 6″ x 26″ (Trombone Style Unit)
- Power Source: Included w/ Connectors
- 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 58375 is a direct replacement for older models including the Laing 6518.1, Therm C3226-1A, BX5959, E24060LHS, HydroQuip 26-3226-1A-5T-K, LAC3226-1A, and 6500-063.
- Fits the following Jacuzzi hot tub models:
- J-315 (2004-2015) –> equipped with circulation pump
- J-325 (2004 | 2008-2015) –> equipped with circulation pump
- J-310 (2002-2003) –> equipped with circulation pump
- 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:
- Caprio Spa (2000 – 2006)
- Solo Spa (2000 – 2007)
- Tango Spa (2000 – 2003)
- Lagunas Spa (2003 – 2005)
- Metro Spa (2004 – 2007)
- Dover Spa (2008 – March 2017)








