Therm 4.0kW Flo Thru Heater [15" x 2"] [240V] [Hercules] (C2400-0315) dialvalves It is a strong choice

It is a strong choice when a higher-output replacement heater is needed to bring a compatible spa system back to proper operating condition

more complete feel every time the spa is used

When the top closure of a filter begins to fail

The model compatibility and horsepower range give this part practical value because internal wear components work best when they match the original hydraulic relationship closely

Therm 4.0kW Flo Thru Heater [15" x 2"] [240V] [Hercules] (C2400-0315) dialvalves It is a strong choiceThe Therm 4. 0 kW flo thru heater is designed for compatible Hercules applications using a 2 inch by 15 inch 240 volt format. A correctly matched heater is useful because it restores the heating section while preserving the physical size and connection style that the system was designed to use. This replacement is especially useful when the original heater has stopped heating reliably, has failed electrically, or is no longer suitable for continued