Question: how much does it cost to change a sprinkler system?
Answer: The cost to repair a sprinkler system ranges from $131 and $383, averaging $250. 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. Valve replacement averages about $12.50 to $40 per valve in addition to labor.