Válvula 1» hembra + válvula de retención - fijación con pasador De Dietrich 300022645

For applications where both flow control and backflow prevention are needed, this combined valve with a 1-inch female thread and integrated check valve offers a compact two-in-one solution. The pin fixing ensures secure mounting, while the check valve automatically prevents reverse flow, protecting your system from contamination or pressure issues. Ideal for use in boiler and burner systems, this component simplifies installation by combining two functions in one unit. Whether you are upgrading an existing setup or building a new one, this valve helps maintain proper flow direction and system integrity, making it a practical choice for heating maintenance and repair.