856ST
Double Check Detector Assembly Backflow Preventers
The FEBCO MasterSeries ® 856ST Double Check Detector Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-health hazard non-potable service applications such as irrigation, fire line, or industrial processing. The assembly shall consist of a main line valve body composed of two (2) independent check valves, replaceable stainless steel check seats and disc rubbers. Ideal for protection of non-health hazard cross-connections or for containment at the service line entrance. It is used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use.
Features
- Fused epoxy coated ductile iron body
- Non-health hazard application
- Ideal for protection of non-health hazard cross-connections or for containment at the service line entrance
- Replaceable stainless steel check seats
Literature
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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 |