Gas boiler !DEA

for heating onlyresidentialindoor

Wall hung gas boiler for heating only or for heating and D.H.W. production, natural draught or room sealed version, with electronic ignition Mono thermal or bi-thermal heat exchanger Just one electrode for ignition and flame detection Continuous and proportional gas modulation through microprocessor, both in heating and D.H.W. production mode Anti-frost protection on the heating primary circuit on two levels: activation of internal heating and safety lockout with signalling in case of gas lack Pump anti-jamming timer in case of long inactivity period Heating adjustment range 45 - 78 °C D.H.W. adjustment range 35 - 57 °C Two NTC sensors for temperature control and D.H.W. priority Limit thermostat Circulating pump with built-in automatic air vent Visualization of burner lockout for lack of gas and faulty diagnostics with alphanumeric indication on wide multifunction, back-lighted LCD display Completely metallic casing, epoxy-polyester powder painted and insulated with 8 mm thick thermo-reflecting thermo-acoustic material Easy maintenance via frontward rotating panel and frontal access. Isolating protection degree IPX5D (IPX4D for AC - natural draught version) Manometer Automatic differential bypass C.H. 6 litres expansion vessel Safety valve adjusted at 3 bar Minimum water pressure switch D.H.W. priority flow switch with filter Electrical connections for on/off or modulating room thermostat and outer temperature sensor - Hydraulic and gas connections cover - D.H.W. production kit for heating only boilers