Therm 4.0kW Heater [240V] [Caldera Highland Series Heater] (C2400-C3330-1A) pooltool The 2 pump large rectangular

The 2 pump large rectangular design gives this panel practical value because some spas require a specific keypad footprint as well as the correct function mix

A properly selected replacement helps preserve the intended support and internal path of the valve instead of forcing the repair to rely on a near-fit substitute

This replacement is especially useful when the original fitting or eyeball is cracked

Using the proper Lasco elbow can help support stronger routing and a cleaner system layout

Therm 4.0kW Heater [240V] [Caldera Highland Series Heater] (C2400-C3330-1A) pooltool The 2 pump large rectangularThe Therm 4. 0 kW heater is designed for compatible 240 volt Caldera Highland Series applications where the heater assembly needs to be replaced with the correct series specific part. Application specific heaters are useful because they help preserve the fit, wiring expectations, and general operating characteristics the spa was built around. This replacement is especially useful when the original heater has failed, stopped heating consistently, or is