Rain Bird - 1" Electric Valve With Flow Control and Backflow Prevention

  • With a long history of safe, reliable performance, the ASVF anti-siphon valve is chosen more often by professionals than any other residential / light commercial anti-siphon valve on the market.
  • Built-in atmospheric back ow prevention in the ASVF assures that your drinking water will always be safe from contamination due to irrigation water back flow.
  • The Rain Bird ASVF valve provides problem-free operation so you’ll spend less time thinking about your irrigation system and more time enjoying your landscape
  • Sold Individually. Manufacturer Pack Size = 10. Pallet Size = 200
Quantity (minimum 1):

Get Dependable Performance with the 1” Rain Bird Sprinkler Valve

The Rain Bird Backflow Preventer Valve has been trusted by professionals in the industry to ensure the best irrigation system installs and continued performance. The highest-quality anti-siphon valves work with any standard sprinkler timer. 

See Why the Rain Bird Sprinkler Valve Has Been Leading the Industry for Over 20 Years

With a long history of safe, reliable performance, professionals choose the ASVF anti-siphon valve more often than any other residential/light commercial anti-siphon valve on the market.

Premium- The first choice of industry leaders worldwide is also an excellent choice for your landscape.

Reliable- Over 20 years of proven performance for peace of mind.

Safe- Prevents irrigation contamination of your drinking water supply.

Rain Bird manufactures only the highest quality Anti-Siphon valves. Use the backflow preventer valve in locations where the use of a separate pressure vacuum breaker (PVB) or a double-check valve is required by city codes to protect against backflow. Check your local city codes to determine what type of valves are required.

Anti-Siphon valves are installed above ground and will prevent backflow if properly installed. Anti-Siphon valves should always be installed at least 6" above the highest head on the valve line and should never have another valve installed further down the line from the main valve. Our Rain Bird sprinkler valve also features our patented vacuum breaker–available for automatic or manual applications.

  • 1" (26/34) plastic residential irrigation valve
  • Combination reliable DVF valve and atmospheric backflow preventer in one unit
  • Incorporates all features of DV/DVF Series valves
  • I.A.P.M.O. and A.S.S.E listing approved
  • City of Los Angeles listing approved
  • Canadian Standards Association approved
  • All of our valves work with any standard sprinkler timer


  • Pressure: 15 to 150 PSI (1,0 to 10,4 bar)
  • 075-ASVF Flow: 0.2 to 22 GPM (0,05 to 5,0 m3/h; 0,01 to 1,39 l/s). For flows below 3 GPM (0,75 m3/h; 0,21 l/s) or any Xerigation® products application, use RBY-075-200MX filter installed upstream.
  • 100-ASVF Flow: 0.2 to 40 GPM (0,05 to 9,08 m3/h; 0,01 to 2,52 l/s). For flows below 3 GPM (0,75 m3/h; 0,21 l/s) or any Xerigation® products application, use RBY-100-200MX filter installed upstream.
  • Ambient air temperature: Up to 125° F (52° C)
  • 24 VAC 50/60 Hz (cycles per second) solenoid power requirement:
  • 0.30 A (7.2 VA) inrush current; 0.23 A (5.5 VA) holding current
  • Solenoid coil resistance: 38 Ohms
  • Anti-siphon must be installed at least 6" (15.2 cm) above the highest point of water in the pipe and sprinklers it serves.
  • No valve can be located downstream of the anti-siphon valve.
  • UPC Sec. 1003 (2)
  • For use in cold water only, less than 110° F (43° C)
  • Anti-siphon valves must not be operated continuously for more than twelve (12) hours.
  • Consult local codes.


  • Height: 6 1/4" (15.8 cm)
  • Length: 6 1/10" (15.5 cm)
  • Width: 3 1/5" (8.1 cm)

Installation Notes:

  • Anti-siphon valve must be installed upright
  • Anti-siphon unit must be installed at least 6" (15,2 cm) above the highest point of water in the pipe and sprinklers it serves
  • No valve can be located downstream of the anti-siphon valve
  • Anti-siphon valves must not be subjected to operating pressure for more than twelve (12) hours in any twenty-four (24) hour period
  • Uniform Plumbing Code Sec. 1003 (2) 602.2 Consult local codes


  • Rain Bird recommends flow rates that result in discharge velocities in the supply line not to exceed 7.5'/Second (2.3 m/s) to reduce the effects of water hammer
  • Rain Bird residential valves cannot be used with PRS pressure regulating modules
  • Not recommended for use with two-wire systems

Outfit Your Irrigation System with the Proper Valves to Get Your Install Working Its Best, Long Term

Valves are an essential part of any sprinkler system. They are the link between the "brains" of the system (the controller) and the sprinkler heads to turn the water on and off.

Most automatic sprinkler systems are set up with two types of valves. A brass "gate valve" or "ball valve" is usually located right after the "tee," where the sprinkler system cuts off from the main source of water to the house. This valve, referred to as the "shutoff valve," is used to shut down the sprinkler system for repairs or winterizing without shutting off the water to the entire house. It is recommended that all systems be equipped with a shutoff valve installed in a box for easy access. Some systems also require the use of a backflow preventer.

Anti-siphon valves have a built-in backflow device to prevent possibly contaminated water from flowing backward into the household supply. Both automatic and manual versions are available.

Anti-siphon valves are an inexpensive choice and easy to install and maintain. The built-in anti-siphon backflow device prevents potential contamination of household water supplies from fertilizers and other toxic chemicals which may enter the system.

Why are several valves needed? All systems are limited by a combination of the pressure of the water (psi) and the number of gallons per minute (gpm) available. Each sprinkler uses a certain number of gallons per minute of water. This release of water through the nozzle reduces water pressure to a certain degree while the system is working. For maximum performance, each zone is controlled by one valve and is set up with the correct number of sprinklers so that the psi and gpm capacity of the system is not exceeded.

Rain Bird
Pressure Rating Range
15 - 150 PSI
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