Serving Lake and McHenry Counties in Illinois

B-N-K Plumbing | Plumbing | Johnsburg, IL

"We Treat Your House Like Our House"

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Highest Quality Plumbing Alarms and Testing

Whether you need a high water alarm to detect leaks within your residential appliances or you need to schedule EPA-mandated testing for your backflow device, B-N-K Plumbing can handle it all! Our team also offers monthly specials and coupons for your convenience.

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Prevent extensive property damage with the PHCC Pro Series Water Alarm from B-N-K Plumbing. This alarm detects leaks from appliances, drains, pipes and even broken washing machine hoses.


Quick detection means quick corrective measures, saving clean-up time and money.

Top-of-the-line high water alarms

If you have a business with domestic water lines, fire sprinklers, lawn irrigation, or chemical processing facilities, backflow testing is a necessity.


When you rely on us, you’ll receive EPA-mandated yearly backflow testing for cross connections in plumbing and water systems.


We are Cross Connection Certified and licensed. A multiple-device discount rate is available, so that you can have all of your plumbing needs cared for.

Premier backflow testing

Take advantage of our same day service, call:







"Thank you, B-N-K Plumbing, for the wonderful service you have been giving my Mom and Dad. My sincere thanks!!!" - Cynthia - Crystal Lake

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