LEB

- One or three phases operation

- Output modulation on 6 stages for models 6 ÷ 9, on 12 steps for bigger models

- Flow temperature compensation through (optional) outdoor probe

- Heating planning through internal timer or optional programmable thermostat

- 2 levels antifrost function

- Modular operation through optional cascade controller

- Includes high efficiency pump with anti-seize function, expansion vessel, bypass

- Can manage an external DHW tank