Quick Summary
The Kidde Mariner PWC KD57W-5BC is a 5-B:C fire extinguisher for jet skis and other personal watercraft. It is listed with a 5-B:C rating, 2 lbs. of sodium bicarbonate fighting agent, and a discharge time of 8-12 seconds.
The product description also states that it is US Coast Guard approved and UL Listed, with a plastic strap bracket included.
Key Details
| Detail | Product information and buyer relevance | |
|---|---|---|
| Brand | Kidde | |
| Model | Mariner PWC KD57W-5BC | |
| Product type | Fire extinguisher for jet skis and personal watercraft | |
| Rating | 5-B:C | The rating identifies the fire classes stated for this extinguisher. |
| Fighting agent | 2 lbs. of sodium bicarbonate | The stated agent amount is part of the product’s fire-fighting configuration. |
| Discharge time | 8-12 seconds | This is the stated discharge time. |
| Discharge range | 6-8 feet | This is the stated discharge range. |
| Approval | US Coast Guard approved | This matters for buyers checking the stated approval. |
| Listing | UL Listed | The product is identified as UL Listed. |
| Included item | UL-approved plastic strap bracket | The bracket is listed as included. |
What to Compare Before Buying
- Fire rating: This model is rated 5-B:C. Compare that rating with the type of fire protection you need.
- Size and mounting: The bracket is included, so check whether the mounting setup fits your watercraft layout.
- Agent amount: The extinguisher contains 2 lbs. of sodium bicarbonate. Compare that amount with the configuration you want.
- Discharge characteristics: The stated discharge time is 8-12 seconds and the range is 6-8 feet. Compare those figures with how you plan to position and use it.
Safe Use and Important Precautions
Follow the manufacturer instructions and the requirements for your watercraft before use. The pressure indicator should read in the green when the unit is charged.
Before You Decide
Confirm the 5-B:C rating, included bracket and exact model number before choosing an offer. For a watercraft setup, also check the mounting arrangement and make sure the extinguisher matches the requirements for your vessel.





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