Gas boiler RAYA A

wall-mountedresidentialindoor

Wall Mounted Boiler with Domestic Hot Water Plate Exchanger Heating and domestic hot water production; 24 and 28 akW output chimney versions; Available in natural gas and LPG versions; Compact dimensions. Main Characteristics: Polypropylene shell; Stainless steel burner, complete with ignition electrodes and ionization control probe; 7 l heating expansion vessel; LCD control panel with self-diagnosis function; Primary copper lamellar exchanger with large exchange surface and dual circulation. 3-speed pump with integrated air purging device; Automatic integrated by-pass; Domestic hot water stainless steel 26-plate exchanger; Multifunctional relay for connection to systems with zone valves or to solar systems or to remote boiler shutdown alarms; Controls to manage three different types of solar thermal systems fitted as standard; IPX4D protection degree.