The answer to 'irrigation installation pests' is that common pests like gophers, moles, and insects can cause damage to your irrigation system. Symptoms may include leaks, clogged sprinklers, and reduced water pressure. To address this, you'll need to identify and remove the pests, then repair any damaged components in your irrigation system.
For minor issues, you may be able to handle this as a DIY project. But for more extensive damage or if you're unsure of the cause, it's best to call in a professional landscaping or irrigation specialist. They have the expertise to properly diagnose and resolve the problem to prevent further issues down the line.