Balboa M7 4KW Heater Tube (Union Not Included) - 58104 / 58154

The Balboa M7 4KW Heater Tube (Union Not Included) is a reliable heating component designed for Balboa spa systems, engineered for efficient heating and durability.Specifications: OEM part number: 58104 / 58154 Manufacturer: Balboa Water Group Power rating: 4KW, operating at 230V Technology: Balboa M7 technology for advanced monitoring and control of water temperature, improving energy efficiency and reliability Compatibility: Designed to work with various Balboa spa and hot tub control systems Note: Union not included - must be purchased separately Fits/replaces: Balboa spa and hot tub control systems compatible with the M7 4KW heater tube Direct OEM replacement for part 58104 / 58154 Common signs you need this part: Spa water is not heating or heating inconsistently Heater flow or hi-limit fault codes on the control panel Visible corrosion, leaking, or scale buildup on the existing heater tube Returns & installation: This heater tube does not include the union - please confirm you have a compatible union on hand or purchase one separately before ordering. Installation should be performed by a qualified spa technician with power and water disconnected.FAQQ: Does this include the union fitting? A: No, the union is not included and must be purchased separately.Q: What technology does this heater tube use? A: It uses Balboa's M7 technology for advanced monitoring and control of water temperature.