Caleffi 573493A FlowShield® DuC-AV Backflow Preventer w/ Atmospheric Vent, 1/2" Sweat, ASSE 1012, Lead-Free
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Caleffi 573493A FlowShield® DuC-AV Backflow Preventer w/ Atmospheric Vent, 1/2″ Sweat, ASSE 1012, Lead-Free

Original price was: £81.20.Current price is: £24.36.

SKU: 573493A Category:

Description

The Caleffi 573493A is a FlowShield DuC-AV dual check backflow preventer with atmospheric vent and a 1/2 in sweat connection, listed to ASSE 1012 for intermediate-hazard protection of potable water lines.

Product data compiled from Caleffi North America technical documentation. Last reviewed July 2026.

FunctionDual Check + Atmos. Vent

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