Watts 757-OSYXPIV 8 - Part of the 757 Series snake fencing Features EPDM seal for superior

Features EPDM seal for superior performance over mechanical bellows

and daily use in wet environments

Z530-3NL-TC

The self-locking ductile iron dome allows for easy maintenance

Watts 757-OSYXPIV 8 - Part of the 757 Series snake fencing Features EPDM seal for superiorThis 8 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line