2 1/2 957-NRS-IOT
Part of the 957 Series
Ordering Code: 0113122
UPC: 098268158670
Lead Free: YES
2 1/2 IN SS Reduced Pressure Zone Assembly Backflow Preventer, NRS Shutoff Valves, with SentryPlus Alert Flood Detection Technology
This 2 1/2 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 continuous monitoring and multi-channel alerts 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.
Features
- Backflow preventer of system is 957 stainless steel RP
- SentryPlus alert flood monitoring and alert system
- NRS Shutoff valves
- 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 | 098268158670 |
| Elbow Fitting | No |
| Hazard Protection Level | Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 2 1/2 IN |
| Inlet Connection Size-Metric | 65 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 | 12.40 |
| Maximum Working Pressure-PSI | 175 |
| Meter Type | No Meter |
| Minimum Temperature - Celsius | 0.50 |
| Minimum Temperature-Fahrenheit | 33 |
| Outlet Connection Size | 2 1/2 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 | 0113122 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | Engineered Plastic |
| Series | 957 |
| Strainer | No |
| Technologies | Flood Detection |
| Tradename | None |
Literature
-
- Brochure - Backflow Protection with Series 957-FS, 957RPDA-FS, LF957RPDA-FS
- Flyer - Flood Detection for RPZ/RPDA Backflow Preventers with Flood Sensor
- Flyer - Flood Detection for RPZ/RPDA Backflow Preventers with Flood Sensor (French)
- Installation Instructions - 957, 957RPDA, LF957RPDA
- Installation Instructions - SentryPlus Alert Technology (June 2020 - Present)
- 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)