VARFREE
- Stainless steel heat exchanger
- Pre-mix modulating burner from 25 to 100% (using natural gas)
- Circulator built into the boiler
- Low emissions (NOx class 5)
- Built-in boiler manager system
- Flue connections B23/B23P/C13/C33/C53
- Powered with natural gas or propane (Version B23/B23P only)
- Full pre-mix modulating burner
- Control panel with built in boiler manager system
- Condenser
- Combustion chamber
- Pump
- Return cold water
- Flow hot water
Supplied as standard with
• Pre-mix modulating burner (G20/G25 and propane)
• Control panel
• Safety thermostat
• Gas valve
• Condensate drain
• Air differential pressure switch
• Ignition electrode
• Ionisation electrode for flame control
• Smoke temperature sensor
• Water outlet temperature sensor
• Water inlet temperature sensor
• Water differential pressure switch
• Water pressure switch
• Non-return valve
• Automatic purge
• Security valve
• Working pressure 4 bar
• Control panel
• Safety thermostat
• Gas valve
• Condensate drain
• Air differential pressure switch
• Ignition electrode
• Ionisation electrode for flame control
• Smoke temperature sensor
• Water outlet temperature sensor
• Water inlet temperature sensor
• Water differential pressure switch
• Water pressure switch
• Non-return valve
• Automatic purge
• Security valve
• Working pressure 4 bar
Regulation options
Click here to have more informations about regulation options.
Regulation option