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The fastest and most fuel efficient stove in the world. Proven by laboratory testing, and more importantly, extensive real world use in extreme conditions.
The fastest and most fuel efficient stove in the world. Proven by laboratory testing, and more importantly, extensive real world use in extreme conditions.

MSR Reactor 1.0L Stove System

£166.50  £185.00  10% off
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on the Undetermined

MSR Reactor 1.0L Stove System Information

Season : 2021S R

Brand : MSR

Code : 06898

The high performance of this brilliant stove system is achieved by the incredible Reactor Burner unit. The Reactor Burner uses radiant heat from a proprietary metal alloy mesh, a bit like a metal sponge, that sits very close to the pot surface. Traditionally burners need to have an air gap to allow combustion, but the Reactor draws all the air it needs from the sides of the burner unit dramatically reducing the gap between heat source and cookware. This means that in windy conditions heat is not drawn away from the system and boil times are significantly reduced. The Reactor Burner also features a built in regulator that keeps the gas pressure constant throughout the life of the canister which means that even partially full gas canisters perform as well as brand new ones.

The cookware has a highly efficient built in heat exchanger that increases the contact surface area and directs heat through chambers in the double wall construction around the base and sides of the pot. Combine this with the close proximity of the pot to the burner unit and you get an amazingly effective and fuel efficient system that is virtually unaffected by windy conditions.

This 1 litrecapacity system is the ultimate solo personcookset and can boil enough water/snow for 1 to 2 people. All components packing neatly away for easy transportation and storage.

Upgrade your Reactor System with the different sized pots and a hangingkit for more exposed situations.

  • Gas not included
  • Barely affected by wind
  • Alloy mesh construction
  • Uses less fuel
  • 1L capacity
  • Durable and reliable
Technical Information

Weight: 0.42kg

Burn time (MSR IsoPro, 227g): 80 minutes

Water boiled: 20 litres

Boil time: 3.5 minutes

Sizing Information

Packed size: 12 x 15.5cm

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  • MSR Reactor 1.0L Stove System Review by Jim,  On 07/03/2018 16:16:39

    Fantastic stove. Have only used a few times but boil time is great, low weight and still super efficient at making a brew in high winds. Perfect!
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