FEATURES
- Thermopolymer-covered stainless steel heat exchanger
- Fully pre-mixed burner
- Modulating gas valve with constant air-to-gas ratio
- Variable-speed combustion fan
- Modulating pump with air-purging device
- 10-litre heating expansion vessel
- Ready for connection to a GSM modem for remote switching on and off and malfunction alarm (optional equipment)
- Multifunctional relay for connection to systems with zone valves or to solar systems or to remote boiler shutdown alarms
- Installation flexibility thanks to IPX5D electrical protection degree
- Efficiency rating according to 92/42/EEC: ★★★★
- NOx emission class (EN 297):5
- Boiler hydraulic replacement kit available as optional equipment
- Wide modulation range 1:9
- Electronic ignition, flame detection via ionization
- By-pass
PREPARED FOR CONNECTION TO
- External probe
- Open Therm Remote Control
- Zone management board for high and low temperature heating
- 2 ambient probes
- GSM modem for remote switching on and off and malfunction alarm (optional equipment)
- External water heater for domestic hot water production
- Solar board
FEATURES
- CH water flow rate electronic control
- Thermopolymer-covered stainless steel heat exchanger
- Fully pre-mixed burner
- 10-litre heating expansion vessel
- Thermoregulation with external probe (optional)
- Modulating pump with air-purging device
- DHW “Comfort” function: ★★★
- Automatic by-pass
- Double circuit filling system: automatic or manual
