FEATURES
- Thermopolymer-covered stainless steel heat exchanger
- Fully pre-mixed burner
- Modulating gas valve with constant air-to-gas ratio
- Variable-speed combustion fan
- 3-speed pump with integrated air purging device
- Wide modulation range 1:9
- By-pass
- Stainless steel DHW plate heat exchanger
- Motorised deviating valve
- Efficiency rating according to 92/42/EEC: ★★★★
- NOx emission class (EN 297):5
- Boiler hydraulic replacement kit available as optional equipment
- Electronic ignition, flame detection via ionization
- NTC temperature probes for central heating and DHW
- LCD interface with diagnostics
PREPARED FOR CONNECTION TO
- External probe
- Open Therm Remote Control
- Zone management board for high and low temperature heating
4.6 
