Shipped with 2" tailpieces, split nuts, and gaskets
Pressure switch not included
The part number 58029 refers to a popular 4.0kW, 240V flow-through heater assembly from Balboa Water Group used by numerous hot tub brands that incorporate Balboa control systems.
The following manufacturers use or have used this specific part number in their spas:
Spa Manufacturers
Jacuzzi Hot Tubs: This is a specific replacement part for older Jacuzzi R574 and R576 models.
Master Spas: Master Spas utilizes Balboa components and control systems in some of its hot tubs.
Cal Spas: Cal Spas frequently incorporates Balboa components into their hot tubs.
Marquis Spas: This manufacturer is known for using Balboa control systems in its products.
Bullfrog Spas: Spas from this brand that use Balboa electronics can utilize this heater as a replacement.
Coast Spas: This Canadian manufacturer often includes Balboa components in its hot tubs.
Hydropool: The 58029 is listed as a compatible part for certain Hydropool spas.
Caldera Spas: Caldera Spas are also listed as potentially using compatible systems.
Component Suppliers (OEM/Aftermarket)
Balboa Water Group: The original equipment manufacturer (OEM) of the 58029 heater assembly.
Hydro Quip: An aftermarket supplier that produces a compatible replacement part (e.g., 26-0809-5S-K).
Therm Products: This company also manufactures compatible heater assemblies under different part numbers (e.g., C2400-0809-1)
