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 our Lead Free products contacted by consumable water contain less than one quarter of one percent (0.25%) of lead by weight.

Additional Information

Danger – Scalding Lurks!
Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

Learn About

Steam Traps
This guide to Steam Traps explains how each style of trap functions and how to select the proper steam trap for your application. Includes application diagrams and trap cutaway views.

To learn more about Steam Traps and how they work, click here.