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Backflow Prevention

77F-SS, 77G-SS

Stainless Steel, Flanged and Grooved, Wye-Pattern Strainers

Lead Free* Models Available


2 1/2 to 12 in. (65 to 305mm)


Series 77F-SS, 77G-SS Stainless Steel, Flanged and Grooved, Wye-Pattern Strainers feature a wye-pattern, stainless steel body with flanged (Model 77F-SS) or grooved (Model 77G-SS) connections, stainless steel screen, ductile iron or epoxy-coated ductile iron (FDA Model) retainer cap with EPDM gasket, grooved coupling, and blow-down outlet. Series 77F-SS, 77G-SS is lightweight, corrosion-resistant, and has a self-cleaning feature. It is suitable for use in potable water and food applications in compliance with NSF-61 and FDA requirements. Maximum Pressure (non-shock): 200psi (13.8 bar) @ 150°F (66°C) WOG.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

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