valvula retencion caldera domusa 3 4 recambio-vapor Compatible with various Vaillant MAG

Compatible with various Vaillant MAG series water heater models

Son piezas sometidas a esfuerzo mecánico y pueden romperse por uso continuado o golpes

D57ML67N0B

5TE311C/01 BOSCH

Excessive noise or vibrations caused by damaged hydraulic components

valvula retencion caldera domusa 3 4 recambio-vapor Compatible with various Vaillant MAGThis check valve or non return valve is designed for Domusa diesel boilers, specifically for Sirena acero 25 35 V models. Its main function is to prevent the backflow of water or fuel within the circuit, ensuring unidirectional flow and protecting the boiler from possible damage or malfunctions. What problem does this replacement part solve? Prevents the backflow of fuel or water, avoiding internal leaks in the boiler. Solves issues of unstable