Why Choose the Balboa M7 3.0kW Heater?
Powerful 3.0kW Heating
Provides rapid heat-up times and maintains consistent spa water temperature in all seasons.
Advanced M7 Flow Detection
The integrated dual sensors located at each end of the heater tube monitor water temperature and flow rate. This eliminates the need for traditional pressure or flow switches, improving reliability and reducing mechanical failure points.
Built for Longevity
The Incoloy 825 heating element is designed to withstand high temperatures and resist corrosion, ensuring dependable long-term performance.
Technical Specifications
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Manufacturer: Balboa
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Power Output: 3.0kW
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Voltage: 230V
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Frequency: 50Hz
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Amperage: 11.5–12.0 Amps
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Sensor Type: M7 Dual 24″ Sensors
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Element Material: Incoloy 825
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Required Flow Rate: 21 GPM
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Heater Tube Length: 381 mm
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Overall Length: 495.3 mm
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Tube Diameter: 50.8 mm
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Terminal Spacing: 31.75 mm
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Plumbing Connection: 2″ Female Sockets
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Mounting Type: Dual Stud Fixing
Compatibility
Compatible with the following Balboa control systems:
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GS500, GS500Z
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GS501, GS501Z (3.0kW models only)
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GS501SZ
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GS510, GS510S, GS510Z, GS510SZ
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GS511SZ
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GS523DZ
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GL2000 Mach 3
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GL2001 Mach 3
Always confirm heater specification and model compatibility before purchase.
Installation
The heater is secured using two fixing studs (top and bottom) and connects to standard 2″ plumbing via white plastic female sockets. Designed for straightforward replacement within compatible Balboa systems.
