caleffi thermal relief valve Brennerschale This makes installation and maintenance

This makes installation and maintenance even easier

Connection for suction and return air hose 50 mm

for pellets and temporary wood heating operation

Thanks to its universal wiring and the two included sensors

Thanks to the included seal kit

caleffi thermal relief valve Brennerschale This makes installation and maintenanceThermal 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: