Jetboil
Jetboil Flash 1.8L Fast Boil System
Jetboil Flash 1.8L Fast Boil System
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Fast boiling for groups of two to four
The Jetboil Flash 1.8L Fast Boil System extends the Flash platform with a larger cooking pot intended for groups of two to four people. Its 1.8-litre FluxRing cook pot and insulating cozy concentrate heat efficiently for preparing hot water for coffee, tea and dehydrated meals.
The rotary turn-and-click ignition starts the burner in one movement, while the thermochromatic heat indicator provides a visual indication as the water approaches boiling. Folding silicone handles provide a secure grip on the larger pot, and the three-point pot connection includes visual alignment indicators.
The system components pack inside the cooking pot for transport. The bottom cover can also be used as a measuring cup or bowl.
Key features
- 1.8-litre FluxRing cook pot for groups of two to four
- Folding silicone grip handles
- Approximately 120-second boil time per 500 ml under Jetboil’s stated test conditions
- Rotary turn-and-click ignition
- Thermochromatic heat indicator
- Three-point pot-to-burner connection with visual alignment indicators
- Compact nesting design
- Compatible with the Grande Coffee Press 2.0, Hanging Kit 2.0, Pot Support 2.0 and Windscreen Accessory
Technical specifications
| Capacity | 1.8 litres |
|---|---|
| Recommended group size | 2–4 people |
| Weight | 504 g, excluding the fuel-can stabilizer |
| Power | 1.5 kW / 5,300 BTU per hour |
| Boil time | Approximately 120 seconds per 500 ml |
| Water boiled | Approximately 10 litres per 100 g JetPower canister |
| Packed dimensions | 12.4 × 20.9 cm |
| Fuel | JetPower |
| Fuel regulator | No |
| Ignition | Rotary |
| Burners | One |
| Manufacturer item number | FLXCB3 |
What is included
Flash 1.8L cook pot with insulating cozy, Flash 1.8L burner, lid, bottom cover, fuel-can stabilizer, burner pack bag and instructions.
Which Jetboil cooking system should you choose?
| Model | Capacity | Group size | Ignition | Coffee press | Best suited to |
|---|---|---|---|---|---|
| Flash 1.0L | 1.0 L | 1–2 | Rotary | Optional | Compact, fast boiling for one or two people |
| Flash 1.8L | 1.8 L | 2–4 | Rotary | Optional | Larger groups requiring more capacity |
| Zip 0.8L | 0.8 L | 1–2 | Match-lit | Optional | A simpler, lighter fast-boil system |
| Flash Java 1.0L | 1.0 L | 1–2 | Rotary | Included | Coffee preparation for one or two people |
| Flash Java 1.8L | 1.8 L | 2–4 | Rotary | Grande press included | Coffee preparation for small groups |
Choose the Flash 1.8L if: you need the Flash system’s fast-boil format for a group of two to four people. Choose the Flash 1.0L when compactness matters more than group capacity, the Zip 0.8L for a simpler match-lit system, or a Flash Java model when you want a coffee press included.
Compare all Jetboil cooking systems to review capacity, ignition and coffee-press options across the range.
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