Therm 4.0kW Heater [240V] [Caldera Highland Series Heater] (C2400-C3330-1A) pooltool Using the proper Lasco elbow

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

Epoxy putty helps fill

and SherLok 120 filter applications

Useful when original bearings are worn or rough

That makes the union-style design a practical advantage in addition to its flow-control role

Therm 4.0kW Heater [240V] [Caldera Highland Series Heater] (C2400-C3330-1A) pooltool Using the proper Lasco elbowThe 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