caleffi thermal relief valve Brennerschale Are there different operating modes

Are there different operating modes

or optionally

the Optima Ekopell is not only functional but also visually appealing

the control signal is interrupted again

for pellets and temporary wood heating operation

caleffi thermal relief valve Brennerschale Are there different operating modesThermal 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: