Bishop Plumbing, Heating and Cooling, Inc. Call us today at (847) 380-8053! A Notice: Bishop Plumbing, Heating and Cooling, Inc. is taking the utmost caution during the times of the COVID-19 virus.


Backflow Service Providing Exceptional Service Since 1921

Des Plaines Backflow Service

Serving Businesses throughout Cook County

The Safe Drinking Water Act requires backflow prevention assemblies installed in areas where there are potential hazards of cross-contamination of potable water. Annual testing is required to ensure the device is functioning properly. If you need one scheduled, Bishop Plumbing, Heating and Cooling, Inc. provides comprehensive backflow service in Des Plaines and throughout Cook County.

Contact us at (847) 380-8053 to book an appointment for backflow testing.

How Backflow Happens

Backflow occurs when contaminated water reverses direction. This can be caused by back pressure or back siphonage, which happens when the pressure in the pipes exceeds the pressure coming into the pipes. Negative pressure in a pipe is known as back siphonage. Regardless of the cause, backflow can contaminate drinking water and result in potential health hazards.

Backflow Prevention

Our licensed plumbers are dedicated to protecting the public health. We can perform a detailed assessment to determine if your home or business is susceptible to backflow. We can recommend backflow assemblies that are suitable for your property. While homes may benefit from these devices, two types of backflow assemblies are required for businesses.

These include:

  • External backflow assemblies – These assemblies are designed to prevent cross-contamination of the city water from a property.
  • Internal backflow assemblies – This is designed to protect the drinking water on your property from a hazardous cross connection.

All our new backflow device and assembly installations are covered by a one-year warranty for parts and labor.

Schedule Your Backflow Testing Today

Annual testing is required for backflow assemblies. Bishop Plumbing, Heating and Cooling, Inc. performs annual backflow service in Des Plaines for many businesses. We even contact our customers to remind them of the upcoming recertification date each year, so you won’t have to worry about forgetting. You can rely on our technicians to perform the required testing and ensure your business is in compliance with local codes and regulations.

Call (847) 380-8053 for backflow assembly installation or testing, or contact us online to request an appointment.

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Honest Reviews

Our Customers Tell It Best
  • Joe was fantastic!

    “Just moved to Des Plaines and needed some plumbing work done. What I thought was one small thing turned into an all day affair of much needed updates. Joe was fantastic! I love Bishop's flat rate fee scale rather than per hour. Joe treated me like family, ”

    - Sally Hanson
  • Polite, Friendly and very professional

    “Jeff was my Service Technician. He was polite, friendly and very professional. I really appreciated his assessment and recommendation on my water heater situation. Jeff explained what he saw and why ...”

    - Ants Carnes
  • Incredibly thorough

    “We called for emergency service and the plumber came on time. He explained what we were going to do to figure out what was causing our plumbing back up. Jeff then took the time to explain what he was ...”

    - Bret Schwalb
  • 3 time customer!

    “Bought a new home in October that we knew needed some plumbing work. We've had service done 3 times so far with Bishop and each time has been a great experience. They give detailed quotes, walk you ...”

    - Lance Curran
  • 10 Stars

    “Jeff Stanek was amazing! I would recommend him to anyone!!! Outstanding service and if I could give him 10 stars I would! Thank you for the incredible service today! I highly recommend this business ...”

    - Stephanie Calovic
  • Great Service!

    “This is our go to plumbing service. They are always there when we need them. Great service. Jeff Stanck is a wealth of information and a pleasure to work with.”

    - Scott Gallet
  • Recommend Bishop Plumbing!

    “Bryan was very nice. He explained things and I would recommend your company to other people. Thank you.”

    - Madaline Collins
  • Easy to work with

    “Bishop was very prompt and easy to work with! From making the appointment, to the knowledge and ethics of the technician. Bryan, I am very satisfied and will recommend Bishop to anyone.”

    - Lisa Wicker
  • Professionalism, Punctuality, Quality, Responsiveness

    “I had heard of Bishop Plumbing's stellar reputation and was not disappointed when I needed a plumber quickly to repair several clogged drains. Our plumber, Jeff, arrived on time and explained the key ...”

    - Philip Anast
  • The best ever plumber

    “I was really frustrated when I returned home at night and found my laundry room and a part of my basement flooded. I called Bishop Plumbing and Jeff Stanek arrived in less than 30 minutes. He quickly ...”

    - Piotr Kalinowski
  • Highly Professional

    “Bishop was highly professional about their product. Their sump pump is now in good working condition. Thank you Bishop Plumbing.”

    - Mary Johnson
  • Quality work

    “Quality work and have replaced my ejection system and sump pump. Recent tech (Jeff) was very knowledgeable and did great work. Definitely recommend in Park Ridge area.”

    - Flavio Marin
  • Professionalism, courtesy and quality work

    “I can't say enough good things about Bishop Plumbing. We had an emergency at our company and needed assistance as soon as possible. Everyone displayed professionalism, courtesy and great quality work. ...”

    - Gail Sam
  • Great job!

    “Just had Jeff Stanek from Bishop Plumbing put in a new 50 gallon hot water tank and sump pump in my laundry area. He was knowledgeable, did a great job and I didn't have to clean up anything. The ...”

    - Paula Mangino
  • Best plumber ever!

    “My experience with Bishop Plumbing was excellent. It began with my Text to them followed by a friendly call from Gina , the Dispatcher. When the greatest plumber ever, Jeff, arrived he was friendly & ...”

    - Carla