This product requires certification to purchase.

8 in. Stainless Steel Grooved 175 psi Backflow Preventer

This product has been replaced by

8 IN SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER NRS SHUTOFF VALVES BACKFLOW FLOOD SENSOR
Watts 8 in. Stainless Steel Grooved Backflow Preventer
Manufacturer Part #F111606
Watts

Series 957 8 in. Stainless Steel Grooved 175 psi Backflow Preventer

  • Fast #
  • Part #W957NRSX
  • Item #2148416
  • Manufacturer Part #0111606
5 out of 5 Customer Rating
Brand image

This product has been replaced by

8 IN SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER NRS SHUTOFF VALVES BACKFLOW FLOOD SENSOR
Watts 8 in. Stainless Steel Grooved Backflow Preventer
Manufacturer Part #F111606
Watts

Series 957 8 in. Stainless Steel Grooved 175 psi Backflow Preventer

  • Fast #
  • Part #W957NRSX
  • Item #2148416
  • Manufacturer Part #0111606
5 out of 5 Customer Rating

X Points

Package Quantity Info:

Each: 1 Inner Pack: 1
Unavailable
The quantity entered must be a multiple of 1 – for example, 1, 2, 3, and so on.
Looking for compatible parts?
How to get it:
  • Pick Up   Not Available
    0  in  Hilliard, OH
  • Shipping Not Available
    Not available at this time

Product Details

Product Details

  • Replaceable check disc rubber
  • Extremely compact design
  • 70% lighter than traditional designs
  • Groove fittings allow integral pipeline adjustment
  • Patented torsion spring checks provide lowest pressure loss
  • Unmatched ease of serviceability
  • Bottom mounted cast stainless steel relief valve
  • Lead-Free
  • Requires Certification
  • Lead Law Compliant


Specifications

ASSE Standards:
ASSE 1013
AWWA:
AWWA C-511
CSA Certified:
CSA B64.4
Collection:
Series 957
End Connection 1:
Grooved
End Connection 2:
Grooved
End Connections:
Grooved
FM Approved:
Yes
Height:
29-5/8 in
IAPMO Listed:
No
Installation Type:
Horizontal
Lead Law Compliance Level:
Lead Free Not Certified, Approved for Non-Potable Water Applications
Lead Law Compliant:
Yes
Length:
49-3/4 in
Material:
Stainless Steel
Material Type:
304
Maximum Temperature:
140
Minimum Temperature:
33
NSF:
NSF 61G
NSF Certified:
Yes
Number of Handles:
Two Handle
Pressure - Maximum:
175 psi
Proposition 65:
WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Recommended Valve Application:
Water
UL Listed:
No
UPC:
098268122657
Valve Body Material:
Stainless Steel
Valve Body Style:
Inline
Valve Disc Material:
Rubber
Valve Operator:
Wheel Handle
Valve Seat Material:
Engineered Plastic
Valve Size:
8 in
Valve Stem:
Non-rising
Valve Type:
Reduced Pressure Zone Assembly
Weight:
441 lb
Width:
30 in