1/2" Watts Wye-Strainer

Item Number: 0379111
1 1
$127.15
Limited Stock (4)
Estimated transit time: 2 to 5 Business Days Eligible for Express Shipping

Brand - Watts
  • Size: 1/2 inch
  • Weight: 29.0 lb
  • Connection Type: Threaded
  • Body Material: Lead Free cast copper silicon alloy
  • Maximum Working Pressure: 400 PSI WOG @ 210°F
  • Screen Material: #20 mesh, 304 stainless steel
  • Includes tapped retainer cap and closure plug
  • Designed to protect plumbing components from debris
  • Certified to NSF/ANSI/CAN 61-G

Description

The Watts 1/2 inch Series LF777SI wye-pattern strainer is engineered to safeguard plumbing system components from damaging dirt, rust, and other debris. Featuring durable Lead Free cast copper silicon alloy construction for its body and cap, this strainer complies with strict lead-free installation requirements, ensuring the wetted surfaces contain less than 0.25% lead. It includes 1/2 inch threaded connections, a tapped retainer cap with a closure plug, and a #20 mesh 304 stainless steel screen for effective filtration. Rated for a maximum working pressure of 400 PSI WOG at 210°F and 125 PSI WSP at 353°F, it is also NSF/ANSI/CAN 61-G certified.

Help Me Connect

Connection Information

  • The 1/2 inch threaded connections on this Watts LF777SI strainer are designed to connect directly to 1/2 inch male NPT (National Pipe Taper) threaded piping. Ensure your system uses compatible 1/2 inch NPT threads for proper installation.
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Additional Details

The 1/2 inch Watts Series LF777SI wye-pattern strainer is engineered to safeguard plumbing system components from damaging dirt, rust, and other unwanted debris. This model features Lead Free cast copper silicon alloy construction, meeting current installation requirements for reduced lead content.

Features

  • Lead Free cast copper silicon alloy body and cap
  • Wye-pattern design
  • Tapped retainer cap for easy access
  • Closure plug included
  • Special flared screen opening on upstream end ensures unrestricted flow

Lead Free Compliance

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

Specifications

  • Size: 1/2 inch
  • Model: LF777SI
  • Connection Type: Threaded

Performance

  • Maximum Working Pressure (WOG @ 210°F): 400 PSI (27.6 bar)
  • Maximum Working Pressure (WSP @ 353°F): 125 PSI (8.6 bar)

Materials

  • Body Material: Lead Free cast copper silicon alloy
  • Retainer Cap Material: Lead Free cast copper silicon alloy
  • Plug Material: Lead Free brass
  • Gasket Material: EPDM
  • Standard Screen Material: #20 mesh, 304 stainless steel

Certificates & Approvals

  • Certified to NSF/ANSI/CAN 61-G

FAQs

What is the primary function of the Watts LF777SI wye strainer?

The primary function of this wye strainer is to protect sensitive plumbing system components, such as valves and meters, from damage caused by dirt, rust, and other unwanted debris in the fluid flow.

Is this 1/2 inch strainer compliant with lead-free standards?

Yes, the Watts LF777SI strainer features Lead Free cast copper silicon alloy construction. Its wetted surfaces contain less than 0.25% lead by weight, complying with Lead Free installation requirements and NSF/ANSI/CAN 61-G certification.

What type of connections does the LF777SI model use?

The LF777SI model utilizes 1/2 inch threaded connections, designed for compatibility with standard 1/2 inch male NPT threaded piping systems.

What is the maximum pressure rating for this strainer?

For liquid service, it is rated for a maximum working pressure of 400 PSI WOG (Water, Oil, Gas) at 210°F. For steam service, it is rated for 125 PSI WSP (Working Steam Pressure) at 353°F.

What materials are used for the screen and body of the strainer?

The body and retainer cap are constructed from Lead Free cast copper silicon alloy. The standard screen is made from #20 mesh, 304 stainless steel, ensuring durability and effective filtration.