The RLE range is the entry-level offer of Riello condensing boilers. RLE is available in 2 sizes of power 25 and 28 kW, in combined (KIS) versions.

- New proprietary stainless steel primary heat exchanger compact and robust, with front access and high resistant to corrosion

- Wide modulation ratio up to 6:1 with premix pneumatic combustion

- Hydraulic group with DIN type connections sequence for easy replacement

- User-friendly digital backlit control panel with pushbuttons and intuitive icons

- Easy to install and integrate even in small spaces thanks to compact size and minimal design

- Designed to operate with mixtures of natural gas and hydrogen, up to a maximum of 20%

- Easy to maintain due to front access to the primary heat exchanger

- Built-in thermoregulation with external probe available as an accessory

- 8 litres expansion vessel

- Low-consumption modulating pump with 6m head (IEE ≤ 0.20)

- Low NOx class 6 (en 15502)

- Low noise emissions below 49 dB