The part number G7532 refers to a 5.5kW, 240V flow-through heater assembly from Balboa Water Group, specifically designed for their newer BP Series of control systems using Plug-n-Click technology.
It is a highly common component used by many hot tub manufacturers.
The following manufacturers use or have used this specific part number (G7532, 5.5kW titanium M7 heater) in their spas or as a replacement option for their systems:
Spa Manufacturers
Platinum Spas By Superior Wellness: This brand incorporates top-of-the-line Balboa equipment, including this heater, in its spas.
Cal Spas: Cal Spas is known for frequently using Balboa components in their hot tubs and lists a cross-reference for this heater.
Master Spas: This manufacturer utilizes Balboa parts, particularly in their control systems, and the G7532 is a compatible replacement for some models.
Coast Spas: A Canadian-based manufacturer that often includes Balboa components, including the G7532 heater assembly.
Marquis Spas: Known for using Balboa control systems, which are compatible with this heater.
Bullfrog Spas: Spas from this brand that use Balboa electronics can utilize this replacement part.
Vita Spas: Some models from this manufacturer use systems compatible with the G7532.
Coleman Spas: Compatible with certain Coleman spa models.
Component Suppliers (OEM/Aftermarket)
Balboa Water Group (BWG): The original equipment manufacturer (OEM) for the G7532 heater assembly.
Hydro Quip: An aftermarket supplier that produces a compatible replacement part (cross-referenced with part number 55624).