Interesting application of defense technology. First developed for the military, the Heatgear Heatstick fits snugly into your Nalgene bottle (non-BPA of course) and heats from the inside out, making it immune to wind. The flameless heating technology transmits 70% of the energy by infrared radiation and the rest by thermal convection, heating your water to 194 °F without a flame:
The HEATSTICK’s built-in pressure regulator automatically adjusts the
gas flow for optimal heat output at all temperatures, elevations, and
fuel levels, requiring no adjustment by the user. The built-in thermal
valve automatically shuts off the gas flow when the water reaches
approximately 90 °C (194 °F). These are two very cutting edge features
when you are using the HEATSTICK on the move to reduce the downtime for
heating water.
Specs:
- ½ liter version: 329 grams (11.61 oz) Including container/bottle: 404 grams (14.25 oz)
- 1 liter version: 351 grams (12.38 oz) Including container/bottle: 489 grams (17.25 oz)
- FUELSTICK: 60 gram canister (2.12 oz), Water boiled: 6 liters per 60-gram FUELSTICK canister
