Question: how much does it cost to fix irrigation system?
Answer: Replacing sprinkler heads runs $2.50 to $18 per head for most types, plus a range of $50 to $100 per hour for labor by a professional plumber. Some heads can cost as much as $30 each, and brass valves range to $100 or more. Valve replacement averages about $12.50 to $40 per valve in addition to labor.