caleffi thermal relief valve Brennerschale Its automatic pellet combustion

Its automatic pellet combustion

Connection for suction and return air hose 50 mm

or optionally

Thanks to its universal wiring and the two included sensors

caleffi thermal relief valve Brennerschale Its automatic pellet combustionThermal drain safety device " The thermal safety device protects your boiler from overheating in the event of a power or charging pump failure. A thermal safety device according to EN12828 prevents overheating of boilers fired with solid fuels in a water based circulating heating system. Services: Opening temperature: 972 C Operating temperature: 5 C 110 C Max. operating pressure: 10 bar Max. discharge capacity: 6. 5 m h at 6 bar Material, valve body: