Ferroli Optimax 25 S wall-mounting gas boiler INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE
Below you will find brief information for wall-mounting gas boiler Optimax 25 S. Optimax 25 S is a high-efficiency condensing pre-mix appliance for heating with extremely low emissions, running on natural gas or LPG. The boiler consists of an aluminium laminar heat exchanger providing effective condensation of the water vapour contained in the flue gases, permitting extremely high efficiency. The boiler is totally room sealed from the installation room: the air needed for combustion is drawn from outside. The boiler also includes a modulating speed fan, modulating gas valve, pumps, expansion vessel, safety valve, flow sensor, temperature sensors, a safety thermostat and a low pressure sensor.
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Key Features
- High-efficiency condensing boiler
- Pre-mix burner with low emissions
- Room sealed combustion
- Modulating speed fan and gas valve
- Advanced self-diagnosis system