Onnline mono 25 single-function, wall-mounted gas condensing boiler WKJ 4621 00 00 00/PL-O

- Single-function boilers have a built-in three-way valve, additionally, the boiler is equipped with an NTC sensor for water in the tank
- High acoustic comfort (only 48dB)
- Latest generation stainless steel heat exchanger with aluminum burner door
- High-efficiency circulation pump (EEI ≤ 0.23) with automatic air vent
- Easy-to-use control panel
- The latest generation BLUEJET burner
- A wide range of modulation that allows you to adjust the boiler power to the current heat demand
- Fan with smooth speed regulation, electronically controlled
- Low NOx emissions (highest class 5)
- Complete security system
- Possibility of optimized management of the boiler operation thanks to cooperation with the room temperature controller
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