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4 in. Stainless Steel Flanged Backflow Preventer

This product has been replaced by

Watts Stainless Steel Flanged 175 psi Backflow Preventer
Watts 4 in. Stainless Steel Flanged 175 psi Backflow Preventer
Manufacturer Part #F111604
You last purchased this on
 
Watts

Series 957 4 in. Stainless Steel Flanged Backflow Preventer

  • Fast #
  • Part #W957NRSP
  • Item #1845380
  • Manufacturer Part #0111604
5 out of 5 Customer Rating
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Watts Stainless Steel Stainless Steel Flanged Backflow Preventer
You last purchased this on
 

This product has been replaced by

Watts Stainless Steel Flanged 175 psi Backflow Preventer
Watts 4 in. Stainless Steel Flanged 175 psi Backflow Preventer
Manufacturer Part #F111604
Watts

Series 957 4 in. Stainless Steel Flanged Backflow Preventer

  • Fast #
  • Part #W957NRSP
  • Item #1845380
  • Manufacturer Part #0111604
5 out of 5 Customer Rating
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Package Quantity Info:

Each: 1 Inner Pack: 1 Case: 1 Pallet: 1
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Product Details

Product Details

  • Stainless steel housing and sleeve
  • Non-rising stem gate valves
  • Ball valve type test cocks
  • No special tools required for servicing
  • Bottom mounted cast stainless steel relief valve
  • Compact design allows small enclosures to be used
  • Patented torsion spring check modules for ease of serviceability
  • Groove couplings for ease of installation and pipe alignment
  • The maximum working pressure is 175 psi (12.06 bar)
  • Requires Certification

  • Lead Law Compliant

Specifications

ASSE Standards:
ASSE 1013
AWWA:
AWWA C-511 1992, AWWA M-22
CSA Certified:
CSA B64.4
Coating:
Polymer
Collection:
Series 957
End Connection 1:
Flanged
End Connection 2:
Flanged
End Connections:
Flanged
FM Approved:
Yes
Height:
38 in
IAPMO Listed:
No
Installation Type:
Horizontal
Lead Law Compliance Level:
Lead Law Compliant and Certified
Lead Law Compliant:
Yes
Length:
33-3/4 in
Material:
Stainless Steel
Material Type:
300, 304, Buna-N, Noryl®
Maximum Temperature:
140
Minimum Temperature:
33
NSF:
NSF 61
NSF Certified:
Yes
Number of Handles:
Two Handle
Pressure - High:
175
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:
Health Hazard, Potable Water, Residential
UL Listed:
No
Valve Body Material:
Stainless Steel
Valve Body Style:
Inline
Valve Disc Material:
Silicone
Valve Operator:
Wheel Handle
Valve Seat Material:
Engineered Plastic
Valve Size:
4 in
Valve Stem:
Non-rising
Valve Type:
Reduced Pressure Zone Assembly
Weight:
200 lb
Width:
26 in