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Pre-Action Fire Sprinkler Systems

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Adequately protecting your building from fire hazards requires a multifaceted approach. One of those approaches should be to install a fire sprinkler system. No other fire suppression method is more effective at saving lives and reducing property damage. But what if your building contains delicate equipment or artifacts that could be harmed just as badly by water as by fire? In this scenario, an accidental discharge could be devastating.

When you need an added level of protection against inadvertent sprinkler activation, consider a pre-action system. Fire Pros can perform the fire sprinkler installation you need to ensure your facility is protected from fire and water.

Find out more about pre-action fire sprinklers to see if they’re the right solution for you. Then, contact Fire Pros for information about getting a system installed in your building.

What Is a Pre-Action Fire Sprinkler System?

Under normal conditions, no water is contained within the pipes of a pre-action system, which is the same as dry pipe fire sprinklers. The difference comes when the flame, heat, or smoke detection system activates.

Instead of sending water directly onto the flames below, an electronically operated valve, called a pre-action valve, opens. This converts the dry piping into a wet pipe system. After this initial phase, high heat must then trigger individual sprinkler heads before the water discharges. In a sense, the pre-action fire sprinkler works to convert a dry pipe system into a wet pipe system quickly and effectively, and allows fire sprinklers to be activated independently.

Some pre-action systems are installed with a double interlock where pressurized air or nitrogen is added to the piping. This serves two purposes: to monitor the pipes for leaks and to hold water in case the detectors operate mistakenly. Freezer warehouses are the most common application for this feature.

Pre-action fire sprinklers are most often installed in water-sensitive environments, such as computer centers, fine art storage areas, libraries of rare books, and archival vaults. Non-water fire suppression is also available for these special hazard areas.

Important Installation & Maintenance Considerations

Before you install pre-action fire sprinklers, understand that they have additional components that increase the complexity of the system. This results in higher installation costs and more maintenance requirements. In addition, specific size limitations may impact the ability to modify the system later on.

Because these systems are so complex, maintenance is imperative. To comply with NFPA 25 Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, keep up with the following requirements:

  • Inspect gauges weekly to check that the air and water pressures are correct.
  • Perform a yearly trip test on the pre-action valve following the manufacturer’s instructions.
  • During the trip test, inspect and clean the pre-action valve. Repair or replace any parts as needed.

Schedule Pre-Action Fire Sprinkler Installation in MI

While pre-action sprinklers could be the best fire protection method for your special hazard building, it takes careful planning and expert installation to provide the results you want. Fire Pros will assess your site and recommend the most suitable solution to meet your needs. Whether you opt for pre-action sprinklers or another method, we can design, install, and service your fire protection system in the years to come.

To begin the process of installing pre-action fire sprinklers in Michigan, please contact Fire Pros at (866) 560-6872.

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Fire Pros, LLC Rated 4.9 out of 5 stars based on 3216 customer reviews

Map of Brighton, MI

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He was very informational and knowledgeable


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Russ did a great job. He was friendly and courteous.


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George was great and explained everything well and was respectful to the team.


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Map of Brighton, MI

Inspection at Buildings




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Inspection at property went very well.


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TJ completed all our needs great technician great service, Thank You TJ!!!!!!!!!!!!!


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Very thorough and responsive




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Fire Pros did a great job coming into our facility and testing our wet suppression, fire alarm and extinguishers. They took extra time to educate me on a few areas that I wasn't extremely familiar with. They were also very quick to get my inspections set up and completed.


great experience




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Great and prompt service




Review of Fire Pros, LLC

I don’t write often but this time Alex and Dennis exceeded the normal service standards. We as a community definitely were frustrated with the noise ( alarms ) but knew it was necessary and I feel these guys did a great job and very aware of the seniors concerned but pleasant with them and I’m sure after some not so pleasant comments. I’m just very satisfied with everything from start to finish and will welcome them back to our community anytime!


no issues with inspection, the tech was very well informed on how the system works




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Great tech had no issues at all


AMAZING SERVICE




Review of Fire Pros, LLC

Great service and efficient. Jared was wonderful to work with. He is very patient and was able to explain items we were doing well at and what we needed to address. Very knowledgeable!


Mark S.

Mark S.

Near Coplin St, Detroit, MI 48215
Mike R.

Mike R.

check system - monitored by All American- acct # 520834- sent a comm fail last night, it has reset but is still beeping. Tyler is the contact- 231-670-4986

Near Hanna Lake Industrial Dr SE, Caledonia, MI 49316
Jim S.

Jim S.

Notice of Non Compliance and Repair Proposal Fire Systems of Michigan recently inspected the fire extinguishers at your establishment in accordance with applicable state statutes, local fire codes and NFPA guidelines. While inspecting your extinguishers, they were determined to be "Non-Compliant" per local fire codes. The attached proposal summarizes the non-compliance issues that were found during the inspection and the costs and actions needed to correct them. Please contact me as soon as possible to review the attached proposal and schedule the repair to your fire extinguishers. I look forward to working with you to bring your extinguishers into compliance. To discuss this proposal, please contact: Rob Harrison Phone: (616) 588-0746 Email: [email protected] EQUIPMENT REPAIR AGREEMENT This Agreement between FIRE SYSTEMS OF MICHIGAN (Company) and you (the Customer) provides for repair services only on the equipment indicated on the "Scope of Work" and "Services to Be Completed

Near Dix Hwy, Lincoln Park, MI 48146
Robert W.

Robert W.

Near Middlebelt Rd, Livonia, MI 48154
Jim S.

Jim S.

10/6 - Debbie V called to schedule  mh 10/5 NA at 4:35, LM km Portable Extinguishers and Kitchen Suppression Inspection Annual Extinguisher Inspection Semiannual Kitchen System Inspection

Near Prospect St, Melvindale, MI 48122
Mike R.

Mike R.

Nick called system trouble on panel wants us to check it out 616-312-8472

Near E 16th St, Holland, MI 49423
Gary B.

Gary B.

Annual Fire Extinguisher Inspection (5) Install (4) new 10#abc fire extinguishers with BL108 signs by the exit doors and receiving doors. NOTE: there is one existing FE on site that will need to be mounted as well. Portable Extinguishers Inspection

Near N Broadway, Hastings, MI 49058
Alex H.

Alex H.

Near W Grand Blvd, Detroit, MI 48208
Tyler H.

Tyler H.

Chad called 269-903-9612 short hall wont clear on panel

Near Kenmure Dr, Portage, MI 49024
George S.

George S.

Near Seeley Rd, Novi, MI 48375
Ron  R.

Ron R.

Near Washington Blvd, Detroit, MI 48226
John H.

John H.

Kitchen Suppression Inspection

Near N Grand Traverse St, Flint, MI 48503
Eduardo  A.

Eduardo A.

Near Riverside Dr, Saranac, MI 48881
Gary B.

Gary B.

Annual Fire Extinguisher Inspections (5 FE) Portable Extinguishers Inspection

Near Heath Rd, Hastings, MI 49058
Mark S.

Mark S.

Near Inkster Rd, Dearborn Heights, MI 48127
Alex R.

Alex R.

Completed Annual Fire Extinguisher and Emergency Light inspections for 2020

Near Enterprise Dr, Rochester Hills, MI 48309
Art L.

Art L.

Portable Extinguishers Inspection

Near Van Buren St, Hudsonville, MI 49426
Tyler H.

Tyler H.

Annual Fire Alarm Inspection

Near W Mars St, Berrien Springs, MI 49103
David H.

David H.

Near Five Mile Rd, Livonia, MI 48154
Sean W.

Sean W.

Near S Mission St, Mount Pleasant, MI 48858
Ron  R.

Ron R.

Near Seely Rd, Novi, MI 48375
Alex R.

Alex R.

Completed Annual Fire Alarm inspection for 2020

Near Enterprise Dr, Rochester Hills, MI 48309
Alex R.

Alex R.

Completed Annual Fire Alarm inspection for 2020

Near Enterprise Dr, Rochester Hills, MI 48309
Alex R.

Alex R.

Completed Annual Fire Alarm inspection for 2020

Near Enterprise Dr, Rochester Hills, MI 48309
Mark S.

Mark S.

Near W Warren Ave, Dearborn, MI 48126