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
- 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
- Boiler hydraulic replacement kit available as optional equipment
- Efficiency rating according to 92/42/EEC: ★★★★
- NOx emission class (EN 297):5
PREPARED FOR CONNECTION TO
- External probe
- Open Therm Remote Control
- Zone management board for high and low temperature heating
4.6 
