How Much Does It Cost To Refill a Fire Extinguisher?

How Much Does It Cost To Refill a Fire Extinguisher?

How much does it cost to refill fire extinguishers?

Fire extinguishers need regular maintenance; otherwise, you may face trouble. People all over the world have fire extinguishers in their houses and workplace. Moreover, an extinguisher or grenade is a must-have for safety measures in your house and workplace. However, many people don’t know how much it costs to refill fire extinguishers. People think it is tricky and needs special attention, but it costs around $15 to $45, depending on its size. However, it is not that tricky, and you can fill it yourself in homes. In this article, you will learn how to revive fire extinguishers and what is the total cost for them. Also, I will tell you some simple tricks you may find helpful in this regard.

Cost for refilling an old one vs. buying a new fire extinguisher

The price of a fire extinguisher depends on its size, classification class, and purpose. Portable fire extinguishers come in various sizes, with 5, 10, and 20 pounds being the most common. The size of the fire grenade is based on the weight of the extinguishing agent present in the extinguisher. It does not include the importance of the valve assembly, metal reservoir, or other parts whereas. In contrast, a new extinguisher’s price ranges from $80 to $200, depending on the size.


Methods required to refill the fire extinguisher

There are a lot of simple ways to refill your fire extinguisher. Moreover, you can easily refill your fire extinguisher at home. Before we start, remember that refilling a fire extinguisher is very important. Also, it is perfectly safe to replenish the grenade at home. Like any other machine or tool, a fire extinguisher needs regular maintenance. However, it would be best to refute your extinguisher with a professional. However, you can also refill your fire extinguisher by following the tips below. Also, you can refresh the fire extinguisher on your own by reading the guidelines in the manual. Here are some methods to revive the fire extinguisher; you may find them helpful.

Inspecting and cleaning the extinguisher

A fire extinguisher demands regular cleaning and inspection, just like any other tool. For this purpose, you need to empty and depressurize your extinguisher entirely. Consider reading the service manual for fire extinguishers to know the exact procedure for depressurizing them. It involves grabbing the grenade upside-down or vertically and squeezing the discharge handle slowly until the pressure gauge shows “0.” Nothing comes out when you press the handle.

  • Make sure that the extinguisher is fully discharged before applying further maintenance.
  • You must have a special recovery system for refilling and discharging agent fire extinguishers, such as a halotron or halon grenade.
  • You can depressurize it by discharging the contents into a dry system or a simple discharge bag. Moreover, you can buy one of these devices from any fire safety store.

Use Of Solvent-free cleanser

Clean the extinguisher with a solvent-free cleaner from the outside. Also, it would be best if you used a mild cleanser and spotless cloth-like dish soap, and warm water. In this way, you can wipe down the extinguisher and remove dirt, grease, and dust. Also, dry the extinguisher with a towel or clean rag.

  • Please avoid using any cleaning products having solvent in them as they can damage the plastic face on the pressure gauge.

Replace the Extinguisher

If you find serious damage, you must repair or replace the extinguisher. Moreover, inspect the cylinder for dings, abrasions, rust, or welding damage. Confirm that the instruction label or nameplate is legible, spotless, and in mint condition. Also, check other components for damage, such as the ring pin, pressure gauge, and discharge valve. Moreover, if you find notable damage, then take your fire extinguisher to a safety technician so he may fix it correctly. He will also judge whether your fire extinguisher needs repair or you should replace it.

  • Ensure that all parts of the fire extinguisher are working perfectly or not. For instance, check if it is possible to remove the ring pin and open and close the nozzle shutoff lever.
  • Also, check for damages, missing, or replaced parts.

Remove the discharge hose

Consider removing the discharge hose from the valve. Moreover, the stockings are generally attaché to the valve with a threaded coupling. If necessary, you can use a wrench to lose it, detach it and set it aside.

  • The operating valve controls the flow of the extinguishing agent.
  • The hose is generally linked to an opening on the valve opposite the levers that you squeeze.
  • Take advantage of inspecting the hose, coupling, and hose gasket for any signs of wear, crack, or damage. You have to order replacement parts if you notice any problems.
  • Blow into the nozzle assemblies and hoses with pressurized air to keep them open. Moreover, it is easier for the insects to move in and block the hose in warm climates.

Take the valve assembly off

You have to detach the valve assembly entirely to fill the empty cylinder. Moreover, unbolt the operating valve from the peak of the cylinder. Please make sure not to rub any of the inner surfaces of the valve. Because it may cause a leak, don’t lean over the extinguisher when removing the valve assembly. Look for any signs of damage and corrosion while doing this. Also, you will have to

  • Withdraw the ring pin and detach the steal
  • Use a wrench to lose the ring, grabbing the valve assembly.
  • Remove any inner components very carefully.

Refilling the Extinguisher

Buy the right kind of filler for your fire extinguisher. Moreover, check the nameplate or label on your fire extinguisher to know what type of filler you have to use. Furthermore, it is important for the proper functioning of the fire grenade and your safety. You have to put in the filling that matches your extinguisher. In addition, you have to purchase a filler that matches the model of your fire extinguisher. The fire grenade includes

  • Foam and water grenade
  • Carbon grenade. These liberate very cold carbon to swiftly cold the fire.
  • Dry fire grenades resist the chemical reaction that may cause a fire. Moreover, such extinguishers have powdered chemicals, and a lot of them can put out class A, B, and C fires.
  • Moist chemical grenades prevent the chemical reactions as well as cool the burning.

Clean the valve assembly with a soft brush

Make sure to clean the valve with a soft cloth and brush. Moreover, remove the valve assembly by unbolting the operating levers and the valve stem assembly. Clean all the disassembled parts using a soft brush or clean rag. Also, use air to blow the dust, if any, or residue out the valve.

  • Utilize the opportunity to check inner components for any sign of damage, such as scratches or cuts on the O-ring or valve stem seating.
  • Replace your old plastic valve stem with a metal one from your manufacturer’s extinguisher.


There are many ways to refill your fire extinguisher. However, I suggest you hire a professional for this task rather than buying a new one. Moreover, you can also refill your fire grenade yourself at home. For this purpose, make sure to purchase the filling that matches your fire extinguisher. Also, follow the steps mentioned above to refill the fire extinguisher correctly. We hope at the end of this article you have the answer to your question about how much it costs to refill a fire extinguisher.