Skip to Main Content

Watts 88004089 Lead-Free Reduced Pressure Zone Backflow Preventer Assembly - 175 PSI, 3/4 Inch x 3/4 Inch

Mfr. Model #:
3/4 LF009M3-QT-S-FS (88004089)
KR Part #:
13.00 lbs
Usually Ships in 2 Weeks
Now Only!
An inline backflow preventer designed to keep water from forward, not backwards. Features SentryPlus Alert technology to detect excessive water discharge. Constructed with lead-free bronze enabling it to handle applications involving potable water.

Technical Specifications

Max PSI: 175
Inlet Port: 3/4 inch
Outlet Port: 3/4 inch
Max Temperature: 180 degrees F
Min Temperature: 33 degrees F

Product Description

3/4" x 3/4" - Inline Backflow Preventer

The Watts 3/4 LF009M3-QT-S-FS (88004089) is a backflow preventer that is constructed with a lead-free bronze body that is compatible with potable water applications. It prevents the flow of polluted water from flowing backwards into a potable water supply. An integrated flood sensor with SentryPlus Alert technology detects excessive water discharges. Furnished with a strainer to remove small particles you don't want to be sent through your pump. This back flow preventer features an access cover to make in-line repairs easy.

  • Manufacturer: Watts
  • Series: LF009-FS
  • Backflow Preventer Type: Reduced Pressure Zone Assembly
  • Body Finish: Cast Copper Silicon Alloy
  • Body Material: Lead Free Copper Silicon Alloy
  • Body Pattern: Inline
  • Brand: Watts
  • Buy American Act Compliant: YES
  • Bypass: No
  • Bypass Size: Does Not Apply To Product
  • Cap And Tether: No
  • Disc Material: Silicone
  • EAN: 098268348897
  • Elbow Fitting: No
  • Hazard Protection Level: Health Hazard
  • Hot And Harsh Water: No
  • Hydrant Connection: No
  • Inlet Connection Size: 3/4 IN
  • Inlet Connection Size-Metric: 20 MM
  • Inlet Connection Type: Female Threaded
  • Inlet Shutoff Valve Type: Quarter Turn Ball Valve
  • Inlet Thread Type: NPT
  • Lead Free: YES
  • Maximum Temperature-Fahrenheit: 180
  • Maximum Working Pressure-BAR: 12.00
  • Maximum Working Pressure-PSI: 175
  • Meter Type: No Meter
  • Minimum Temperature - Celsius: 0.50
  • Minimum Temperature-Fahrenheit: 33
  • Outlet Connection Size: 3/4 IN
  • Outlet Connection Type: Female Threaded
  • Outlet Shutoff Valve Type: Quarter Turn Ball Valve
  • Outlet Thread Type: NPT
  • Part Number: 88004089
  • Polymer Coating: No
  • Pressure Operation: Continuous
  • Protection Type: Backpressure and Backsiphonage
  • Seat Material: Engineered Plastic
  • Strainer: Yes
Assembly Includes:
  • Lead Free Brass Body
  • Strainer
  • 3/4" NPT end connections
  • Quarter turn ball valve shutoffs with tee handles
  • Top mounted test cocks
  • Two in-line independent check valves
  • Captured springs
  • Replaceable check seats with an internal relief valve
  • Internal relief valve for reduced installation clearances
  • Features an integrated flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
  • Furnished with a strainer
  • Lead free bronze body construction for durability
  • Single access cover and modular check construction for the ease of maintenance
  • Quarter turn full port resilient seated ball valve shutoffs

Product Reviews

Frequently Asked Questions