The answer to 'cost of backflow preventer repair in Chicago' is that the cost can vary significantly depending on several factors. Backflow preventer repair typically ranges from $200 to $500, but the exact price will depend on the type of backflow preventer, the extent of the repair needed, and the labor costs in your local area.
Backflow preventers are an important safety device that helps prevent contaminated water from flowing back into the clean water supply. Repairing a backflow preventer often involves replacing worn seals, diaphragms, or other components. The cost can be higher if the device needs to be replaced entirely or if there are any underlying plumbing issues that need to be addressed. It's best to get quotes from local plumbers to get an accurate estimate for your specific situation.