Watts 4 957-NRS-FP - Part of the 957 Series

This 4 inch stainless steel reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements, as well as provide alerts and automatic shutoff capability in the event of a possible flood condition. The backflow preventer is extremely light and compact compared to a traditional backflow assembly, and features a quick access sleeve. SentryPlus Alert utilizes the Watts LFF113RFP ACV as an automatic shutoff valve in the event of a potential flood condition.

Features

• Backflow preventer of the system is 957 stainless steel RP
• SentryPlus alert flood monitoring and alert system
• LFF113RFP ACV offers flood prevention
• Multi-channel alert capabilities
• 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)

Specifications
ArmorTek Technology	No
Backflow Preventer Type	Reduced Pressure Zone Assembly
Body Finish	Stainless Steel
Body Material	Stainless Steel
Body Pattern	Inline
Brand	Watts
Buy American Act Compliant	NO
Bypass	No
Bypass Size	Does Not Apply To Product
Cap And Tether	No
Disc Material	Silicone
EAN	098268158243
Elbow Fitting	No
Hazard Protection Level	Health Hazard
Hot And Harsh Water	No
Hydrant Connection	No
Inlet Connection Size	4 IN
Inlet Connection Size-Metric	100 MM
Inlet Connection Type	Flanged Joint
Inlet Shutoff Valve Type	Non Rising Stem Gate Valve
Inlet Thread Type	Does Not Apply To Product
Lead Free	Yes
Maximum Temperature-Fahrenheit	140
Maximum Working Pressure-BAR	12.10
Maximum Working Pressure-PSI	175
Meter Type	No Meter
Minimum Temperature - Celsius	0.50
Minimum Temperature-Fahrenheit	33
Outlet Connection Size	4 IN
Outlet Connection Type	Flanged Joint
Outlet Shutoff Valve Type	Non Rising Stem Gate Valve
Outlet Thread Type	Does Not Apply To Product
Part Number	0113112
Polymer Coating	No
Pressure Operation	Continuous
Protection Type	Backpressure and Backsiphonage
Seat Material	Engineered Plastic
Series	957
Strainer	No
Technologies	Does Not Apply To Product
Tradename	None

• Specification Sheet - 957
• Specification Sheet - 957 (French)
• Specification Sheet - 957 (Spanish)
• Specification Sheet - Flood Sensor Connection Kit - Watts
• Specification Sheet - Flood Sensor Connection Kit - Watts (French)
• Specification Sheet - Flood Sensor Connection Kit - Watts (Spanish)

UPC - 098268158243