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This product has been replaced by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 SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER NRS SHUTOFF VALVES BACKFLOW FLOOD SENSOR
Manufacturer Part #F111606
You last purchased this on
 
Watts

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

This product requires certification to purchase.
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Watts Stainless Steel Stainless Steel Flanged Backflow Preventer
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This product has been replaced by

8 IN SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER NRS SHUTOFF VALVES BACKFLOW FLOOD SENSOR
Watts 8 IN SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER NRS SHUTOFF VALVES BACKFLOW FLOOD SENSOR
Manufacturer Part #F111606
Watts

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

  • Fast #
  • Part #W957NRSX
  • Item #2148416
  • Manufacturer Part #0111606
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Product Details

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

  • Lead Law Compliant

Specifications

ADA Compliant:
No
ASSE Standards:
ASSE 1013
AWWA:
AWWA C-511
Application:
Health Hazard
BAA Compliant:
Yes
CSA Certified:
CSA B64.4
Collection:
Series 957
Color Finish Category:
Stainless Steel
Color Finish Name:
Stainless Steel
Depth:
51-22/25 in
End Connection 1:
Grooved
End Connection 2:
Grooved
End Connections:
Grooved
FM Approved:
Yes
Fitting Size 1:
8 in
Fitting Size 2:
8 in
Fitting Sizes:
8 in
Height:
29-5/8 in
IAPMO Listed -:
No
Installation Type:
Horizontal
Lead Law Compliance Level:
Lead Law Compliant and Certified
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
Product Type:
Reduced Pressure Zone Assembly
Recommended Valve Application:
Water
UL Listed:
No
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