850 Small
In-Line Design Double Check Valve Assembly Backflow Preventers with Freeze Sensor - Small Diameter
FEBCO Series 850 Small double check valve assembly backflow preventers include a freeze sensor for use with SentryPlus Alert® technology to signal facility personnel when temperature nears and reaches the freezing point. Freeze alerts feature available with add-on connection kit for Wi-Fi networks, building management systems (BMS), and irrigation management systems (IMS).
This series is designed for non-health hazard applications, to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Standard assembly with ball valves or union end ball valves. End connections: NPT ANSI / ASME B1.20.1. Sizes 1/2 to 2 IN.
To learn more visit: https://www.watts.com/freeze-detection
Features
- Includes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point
- Compact modular design to facilitate maintenance and in-line repairs with a single access cover
- In-line serviceable assembly requiring no special tools
- Two in-line independent positive seating check modules
- Replaceable seats and seat discs
- Freeze alerts feature available with add-on connection kit for Wi-Fi networks, building management systems (BMS), and irrigation management systems (IMS)
Literature
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- Brochure - Backflow Prevention - Cross-Connection Control Handbook
- Flyer - Freeze Detection for Backflow Protection
- Installation Instructions - 850 Small, LF850 Small - Sizes 1/2 - 2 IN
- Installation Instructions - Freeze Sensor Connection Kit - Watts and FEBCO
- Maintenance Manual - Freeze Protection Instructions - 850 Small, LF850 Small, 860 Small, LF860 Small
- Specification Sheet - 850 Small - Sizes 1/2 - 2 IN
- Specification Sheet - 850 Small - Sizes 1/2 - 2 IN (French)
- Specification Sheet - 850 Small - Sizes 1/2 - 2 IN (Spanish)
- Specification Sheet - Freeze Sensor Connection Kit
- Specification Sheet - Freeze Sensor Connection Kit (French)
- Specification Sheet - Freeze Sensor Connection Kit (Spanish)
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |