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ZN415-DP-4NL
and the dustproof secured cover helps prevent dirt
1 1/2 inch Watts Model 77SI
It's perfect for both above-ground and below-ground installations where longevity is essential
Watts LF709-NRS-IOT 4 - Part of the LF709 Series inlet-protection-finder ZN415-DP-4NLThis 4 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. Ideal for protection in continuous pressure piping applications and cross connections identified as non health hazards. This assembly consists of an fused epoxy coated cast iron body, NRS resilient
US$ 220.00
US$ 199.00
US$ 85.00