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Kidde 21030890 MAR5 Mariner 5 Marine Fire Extinguisher – 5-B:C with Strap Bracket
The Kidde 21030890 MAR5 Mariner 5 is a compact marine fire extinguisher with 2 lb of BC dry chemical agent and a 5-B:C UL rating. Designed for boats, watercraft and other marine environments, it features corrosion-resistant aluminum and stainless-steel construction and includes a UL-approved strap bracket.
- 5-B:C UL rated with 2 lb of BC dry chemical agent
- U.S. Coast Guard approved with included UL-approved strap bracket
- Aluminum and stainless-steel construction for enhanced corrosion resistance
- 12-year service-free design with required external inspections
Price:
$50.00
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Kidde 21030890 MAR5 Mariner 5 Marine Fire Extinguisher
The Kidde 21030890 MAR5 Mariner 5 is a compact marine fire extinguisher specifically designed for fire hazards encountered on boats and watercraft. It contains approximately 2 lb of BC dry chemical extinguishing agent and carries a 5-B:C UL rating for Class B flammable-liquid fires and Class C fires involving energized electrical equipment.
Built for demanding marine and outdoor environments, the MAR5 combines a seamless aluminum cylinder with aluminum and stainless-steel components for enhanced resistance to salt and water exposure. Its compact size, lightweight construction and included strap bracket make it practical for mounting in an accessible location aboard a boat or watercraft.
Key Features & Benefits
- 5-B:C UL rating: Designed for Class B flammable-liquid and Class C energized-electrical fire hazards.
- 2 lb BC dry chemical agent: Compact extinguisher capacity suited to marine and boating applications.
- Marine-grade construction: Designed for environments where salt, water and moisture exposure are common.
- Enhanced corrosion resistance: Kidde states the MAR5 provides 12X more corrosion resistance compared with industry saltwater test standards.
- Aluminum and stainless-steel construction: Premium materials help improve durability and optimize product life.
- U.S. Coast Guard approved: Meets applicable 5-B requirements for boats and watercraft when used with the approved strap bracket.
- Strap bracket included: UL-approved strap bracket provides secure and accessible mounting.
- 12-year service-free design: As a single-use extinguisher, it does not require the six-year internal examination required for certain serviceable extinguishers.
- 12-year limited warranty: Covered by Kidde's current Mariner fire extinguisher warranty.
Kidde 21030890 MAR5 Specifications
| Brand: | Kidde |
| Ordering Number / SKU: | 21030890 |
| Model: | MAR5 |
| Product Line: | Mariner 5 |
| UL Rating: | 5-B:C |
| Fire Classes: | Class B and Class C |
| Extinguishing Agent: | BC dry chemical |
| Net Agent Weight: | 2.0 lb average |
| Unit Weight: | 3.3 lb average |
| Height: | 11.3 in. |
| Width: | 4.65 in. |
| Depth: | 3.25 in. |
| Discharge Time: | 8–11 seconds |
| Discharge Range: | 6–8 ft. |
| Operating Pressure: | 100 psi |
| Cylinder Material: | Seamless aluminum |
| Valve, Handle & Lever: | Aluminum and stainless steel |
| Mounting Bracket: | UL-approved strap bracket included |
| Marine Approval: | U.S. Coast Guard approved with approved strap bracket |
| Warranty: | 12-year limited warranty |
Marine-Grade Fire Protection
Marine environments can expose fire extinguishers to moisture, salt and other corrosive conditions. Kidde designed the MAR5 with a seamless aluminum cylinder and aluminum and stainless-steel operating components to help withstand these conditions and extend usable product life.
Kidde rates the current Mariner series at 12X greater corrosion resistance compared with industry saltwater test standards, making the MAR5 specifically suited to marine and outdoor applications.
What Types of Fires Does the MAR5 Fight?
The MAR5 uses BC dry chemical agent and carries a 5-B:C rating:
- Class B: Flammable-liquid and gas hazards such as gasoline, oil and similar fuels.
- Class C: Fires involving energized electrical equipment.
Important:
The MAR5 is a BC extinguisher and does not carry a Class A rating. If protection is also required for ordinary combustible materials such as wood, paper or textiles, select an extinguisher with an appropriate Class A rating.
The MAR5 is a BC extinguisher and does not carry a Class A rating. If protection is also required for ordinary combustible materials such as wood, paper or textiles, select an extinguisher with an appropriate Class A rating.
Where Is the Kidde MAR5 Best Used?
- Recreational boats
- Fishing boats
- Powerboats and motorized watercraft
- Marine and dockside applications
- Outdoor locations where a compact 5-B:C extinguisher is appropriate
U.S. Coast Guard Approved for Marine Use
Kidde identifies the MAR5 as U.S. Coast Guard approved when used with its UL-approved strap bracket. The included bracket allows the extinguisher to be securely mounted in an accessible location aboard a boat or watercraft.
Marine Installation Note:
Fire extinguisher quantity, size, rating and mounting requirements can vary according to vessel type, size and applicable regulations. Confirm the fire extinguisher requirements for your specific boat or watercraft before installation.
Fire extinguisher quantity, size, rating and mounting requirements can vary according to vessel type, size and applicable regulations. Confirm the fire extinguisher requirements for your specific boat or watercraft before installation.
12-Year Service-Free Design
The MAR5 is a single-use fire extinguisher with a 12-year service-free design. Under NFPA 10, single-use extinguishers do not require the six-year internal examination required for certain rechargeable extinguishers.
Service-free does not mean inspection-free. Required external inspections and corrective actions still apply. The extinguisher should also be replaced after discharge or if inspection reveals damage, corrosion, pressure loss or another condition requiring replacement.
Replacement for the Previous Kidde 466635 Mariner 5
The Kidde 21030890 MAR5 is the current Mariner 5 offering for customers looking for the compact marine extinguisher application previously served on our site by the Kidde 466635 Mariner 5.
The current MAR5 maintains the familiar 5-B:C marine fire rating and approximately 2 lb agent capacity while incorporating Kidde's current corrosion-resistant aluminum and stainless-steel construction and 12-year service-free design.
Frequently Asked Questions
What is the difference between 21030890 and MAR5?
21030890 is Kidde's ordering number for this configuration, while MAR5 is the model designation for the Mariner 5 fire extinguisher.
What fire rating does the Kidde MAR5 have?
The MAR5 is UL rated 5-B:C for Class B flammable-liquid fires and Class C fires involving energized electrical equipment.
How much extinguishing agent is in the MAR5?
The Kidde MAR5 contains approximately 2 lb of BC dry chemical extinguishing agent.
Is the Kidde MAR5 U.S. Coast Guard approved?
Yes. Kidde identifies the MAR5 as U.S. Coast Guard approved when used with the UL-approved strap bracket supplied with the extinguisher.
Does the MAR5 include the mounting bracket?
Yes. A UL-approved strap bracket is included.
What is the discharge range of the MAR5?
Kidde specifies an approximate discharge range of 6 to 8 feet and a discharge time of approximately 8 to 11 seconds.
Can the MAR5 be recharged after it is discharged?
No. The MAR5 is a single-use fire extinguisher. It should be replaced after discharge rather than recharged.
Does the Kidde 21030890 MAR5 replace the older 466635?
The 21030890 MAR5 is the current Kidde Mariner 5 product being offered in place of the older 466635 listing on Select Safety Sales. It serves the same general compact 5-B:C marine extinguisher application.
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