1.5 825Y-QT-RP-FS
Item Number: F825GBVBrand - Febco
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- 1 1/2 inch Reduced Pressure Zone Backflow Preventer
- Bronze body construction
- Y pattern design
- Quarter turn shutoff valves
- Integrated flood sensor with SentryPlus Alert technology
- Modular relief and check valves for easy maintenance
- Connects to Sensor Control Monitor for BAS/Nexa alerts
- Protects against high hazard (toxic) fluid backflow
Description
Description
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This 1 1/2 inch Reduced Pressure Zone Backflow Preventer Assembly includes an integrated flood sensor with SentryPlus Alert® technology to detect continuous discharge from the relief valve. For enhanced monitoring and alert capabilities, it is designed for integration with external systems.
Flood Monitoring and Alerts
- The flood sensor activates when paired with an add-on sensor connection kit to relay alerts for potential flooding events.
- Connection kit options include:
- Integration with Building Management Systems (BMS).
- Cellular communication for remote alerts.
- The Sensor Control Monitor, which enables integration with Building Automation Systems (BAS) via RS-485 Modbus or the Nexa® platform through Wi-Fi.

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Additional Details
This 1 1/2 inch Y pattern reduced pressure zone backflow preventer assembly prevents the reverse flow of high hazard (toxic) fluids found in the water from entering into the potable water supply due to backsiphonage and or backpressure. It is used in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants and is also used in irrigation systems, boiler feed, water lines and other installations requiring maximum protection.
This backflow assembly contains a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve. When paired with an add on connection kit, the sensor is activated to relay alerts for potential flooding events.
Features
- Bronze body construction for durability
- Y pattern design
- Quarter turn shutoff valves for reliable control
- Modular relief valve and check valves for easy maintenance
- Integrated flood sensor with SentryPlus Alert® technology to detect continuous relief valve discharge
- Compatibility with add-on sensor connection kits to extend flood monitoring
- Integrates with the Sensor Control Monitor to deliver maintenance alerts to BAS via RS-485 Modbus or the Nexa platform by Wi-Fi connectivity
Construction
- Durable bronze body
- Threaded quarter turn ball valves
- Convenient test cocks
- Spring loaded Y pattern check valves
- One hydraulically dependent differential relief valve
Specifications
- Size: 1 1/2 inch
- Body Material: Bronze
- Pattern: Y Pattern
- Shutoff Type: Quarter Turn Ball Valves
- Backflow Type: Reduced Pressure Zone (RPZ)
- Alert Technology: SentryPlus Alert®
- Sensor: Flood Sensor