double thermal drain fuse c3 Deher a gap should be left

a gap should be left between the valve and the boiler/storage tank to prevent the valve's function from being impaired by heat radiation

High flow temperatures for modernization

the operation is CO₂-neutral and takes place within the natural cycle

the sensors must be mounted in the designated position and tested for functionality

double thermal drain fuse c3 Deher a gap should be leftDouble thermal relief valve 3 4" The thermal safety valve and Safety heat exchanger in one. For central installation on the boiler (2 way valve thermal relief valve ") Caleffi thermal relief valve with integrated refill system for solid fuel boilers. Features a handwheel for manual draining. Technical data: Maximum operating pressure: 6 bar. Maximum operating temperature: 120C Setting temperature: 100C (0 5C) Discharge rate with P1 bar at T=110C: 1800