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The PRIMUS 401119 is a 3/8″ inline check valve for boiler systems. It is a replacement or service component for gas boiler assemblies where backflow prevention is required in the supply line.
The PRIMUS 401119 is a 3/8″ inline check valve for boiler systems. It is a replacement or service component for gas boiler assemblies where backflow prevention is required in the supply line.
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