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Specification Sheet - LF909 Small (Spanish)
indirect-fired
This 2-1/2 inch ACV is armed with ArmorTek®
Flashing clamp to secure waterproofing membrane attachment
Features Lead free construction
Watts 774-NRS 2 1/2 - Part of the 774 Series Basement Window Well Specification Sheet - LF909 SmallThis 2 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated 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 hazard applications and from other
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