2" Watts Wye-Strainer
Item Number: 0379116
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Brand - Watts
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- Lead Free cast copper silicon alloy body and cap
- Weight: 30.5 lb
- Wye-pattern design for effective straining
- Threaded end connections for easy installation
- Tapped retainer cap with closure plug included
- 20 mesh 304 stainless steel screen
- Maximum Operating Pressure WOG: 400 PSI @ 210°F (99°C)
- Maximum Operating Pressure WSP: 125 PSI @ 353°F (178°C)
- NSF/ANSI/CAN 61-G certified
Description
Description
The 2 inch Watts LF777SI wye-pattern lead free cast strainer is designed to protect plumbing system components from damaging debris. It features a lead free cast copper silicon alloy body and cap, threaded end connections, and a tapped retainer cap with a closure plug. This strainer utilizes a #20 mesh 304 stainless steel screen for efficient filtration. It is rated for a maximum working pressure of 400 PSI WOG at 210°F (99°C) and 125 PSI WSP at 353°F (178°C). The strainer is certified to NSF/ANSI/CAN 61-G for lead free compliance.
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Connections
- This Watts Series LF777SI wye-pattern strainer is designed with threaded end connections.
- The threaded connections allow for straightforward installation into existing or new threaded piping systems.
- Ensure the mating pipes also feature compatible threaded ends for a secure and leak-free connection.

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Additional Details
This is a 2 inch Watts Series LF777SI wye-pattern, lead free cast strainer designed to protect plumbing system components from dirt, rust, and other damaging debris in the piping system.
Features
- Lead Free cast copper silicon alloy body and cap for compliant use
- Wye-pattern design for effective debris collection
- Tapped retainer cap for easy access and maintenance
- Includes a closure plug
- Special flared screen opening on the upstream end to provide unrestricted flow through the strainer
Materials
- Body: Lead Free cast copper silicon alloy
- Retainer Cap: Lead Free cast copper silicon alloy
- Plug: Lead Free brass
- Gasket: EPDM
- Standard Screen: #20 mesh, 304 stainless steel
Specifications
- Body Material: Lead Free cast copper silicon alloy
- Connection Type: Threaded
- Strainer Pattern: Wye-pattern
- Screen Mesh: #20
- Screen Material: 304 stainless steel
- Retainer Cap Material: Lead Free cast copper silicon alloy
- Plug Material: Lead Free brass
- Gasket Material: EPDM
- Nominal Size: 2 inch
- Weight: 4.4 lbs (2.00 kgs)
Pressure - Temperature
- Maximum Working Pressure (WOG): 400 PSI (27.6 bar) @ 210°F (99°C)
- Maximum Working Pressure (WSP): 125 PSI (8.6 bar) @ 353°F (178°C)
Certificates & Approvals
- Certified to NSF/ANSI/CAN 61-G
FAQs
What is the primary use of the Watts 2 inch Wye-Strainer?
This Watts wye-pattern strainer is designed to protect plumbing system components from dirt, rust, and other damaging debris that can be present in liquid and steam service lines.
Is this strainer lead-free?
Yes, the Watts Series LF777SI strainer features lead free cast copper silicon alloy for its body and cap, and a lead free brass plug. It is certified to NSF/ANSI/CAN 61-G, ensuring compliance with lead free installation requirements.
What type of connections does the 2 inch LF777SI strainer have?
This specific 2 inch Watts LF777SI strainer features threaded end connections, making it suitable for systems that utilize threaded piping.
What are the maximum operating pressure and temperature ratings for this strainer?
The strainer is rated for a maximum working pressure of 400 PSI WOG (Water, Oil, Gas) at 210°F (99°C) and 125 PSI WSP (Working Steam Pressure) at 353°F (178°C).
What type of screen is used in this wye-strainer?
The Watts LF777SI wye-strainer is equipped with a standard #20 mesh screen, which is constructed from durable 304 stainless steel for effective filtration.