Description
The Caleffi 574050A is a FlowShield RP testable reduced-pressure-principle backflow preventer with a 3/4 in NPT connection, listed to ASSE 1013 for high-hazard cross-connection protection of potable water systems.
Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.
FunctionRP Backflow Preventer
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