The RENA Cal Basic heater has computer-calibrated temperature control which accurately adjusts water temperature one degree at a time. High thermal diffusion for quick, efficient heating. The 500-micron solid silver contact thermostat eliminates contact welding that causes overheating. Easy to view power indicator light. It is fully submersible and can be easily mounted vertically or horizontally. 6-foot electrical cord.

Rena Cal Basic Heater 25w £18.49	Rena Cal Basic Heater 50w £18.49
Rena Cal Basic Heater 100w £19.99	Rena Cal Basic Heater 150w £19.99
Rena Cal Basic Heater 200w £21.49