Mr Sprinkler Repair

Sprinkler Repair

Mr Sprinkler Repair

Do Anti-Siphon Valves Go Bad?

Yes, anti-siphon valves, including models like the Rain Bird CP075, can go bad over time. Anti-siphon valves are crucial components in irrigation systems, designed to prevent contaminated water from siphoning back into the clean water supply. Over time and with regular use, several issues can affect their performance:

  1. Wear and Tear: The internal components of the valve, such as the diaphragm, springs, and seals, can wear out after repeated use. This wear can lead to leaks, failure to close or open, and ultimately, the malfunction of the valve.
  2. Debris Accumulation: Dirt, sand, or other debris can accumulate inside the valve, which can obstruct the flow of water or impair the valve’s ability to close properly. This is a common cause of anti-siphon valve failure, and periodic cleaning or maintenance is recommended to ensure optimal performance.
  3. Freezing Temperatures: If water inside the valve freezes, it can expand and crack the valve body or damage its internal components. This type of damage is particularly a concern in environments that experience freezing temperatures.
  4. Improper Installation: An incorrectly installed anti-siphon valve may fail to operate as intended. For example, if the valve is not installed at the correct height (at least 6 inches above the highest sprinkler head), it may not provide the necessary backflow prevention.
  5. Age: Like any mechanical device, anti-siphon valves have a lifespan beyond which their efficiency can degrade. Regular wear and environmental factors can contribute to an aging valve’s decreased performance over time.

To ensure the longevity and proper function of an anti-siphon valve like the Rain Bird CP075, regular maintenance checks are recommended. These checks can help identify wear and tear, debris buildup, and other issues before they lead to valve failure. If a valve does go bad, replacing the worn or damaged parts or the entire valve may be necessary to maintain the effectiveness of your irrigation system and protect your water supply.


If you have any questions or need any type of sprinkler system repair, the experts at Mr Sprinkler Repair will be glad to help. Give us a call or 855-695-1000 to set an appointment.