Description
Direct-fit 4.0 kW Heater for Balboa M7 Systems
The Hydro-Quip Balboa Heater Assembly with M7 sensors (SKU 26-58104-K) is a drop-in replacement heater designed for Balboa Plug N’ Click M7 control systems. This robust assembly delivers 4.0 kW of heating power at 220–230V and features a stainless steel heater tube sized for standard spa plumbing. It ships with integrated M7-style temperature sensors and the mounting hardware needed for most Balboa-compatible installs, making it a practical option for reliable, fast spa water recovery.
Key Features
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Power: 4.0 kW heating element rated for 220–230V operation.
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Compact dimensions: approximately 15″ between unions with an ~2″ tube diameter for common spa manifolds.
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Construction: 304 stainless steel heater tube for corrosion resistance and long life.
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Integrated sensors: includes two M7-style temperature sensors (replaces Balboa part 32016) for accurate control with Balboa M7 electronics.
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Plumbing and hardware: supplied with 2″ split nuts and slip fittings; optional 1.5″ reducers are available for smaller plumbing.
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Compatibility: direct replacement for Balboa Plug N’ Click M7 heater assemblies and listed as a replacement for several Balboa part numbers (for example, 58303 and 58306).
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Origin: manufactured by Hydro-Quip in the USA.
Why professionals choose this heater
Technicians and hot tub owners choose the 26-58104-K for its straightforward, reliable performance and easy installation. The integrated M7 sensors eliminate sensor swapping, while the stainless-steel element and standard union spacing minimize plumbing work. Whether replacing a failed element or upgrading an older assembly, this Hydro-Quip unit restores efficient heat-up times and consistent temperature control for Balboa M7-equipped spas.
