MSR Reactor 1L Stove System

MSR Reactor 1L Stove System

Regular Price: £295.00

Special Price £265.50 save 10%

Incl. 20% Tax

Availability: Out of stock

The MSR Reactor does just one thing, and crikey it does it well! When you want to boil water the Reactor is quite simply THE best performing gas stove available, and will boil you enough water for a pint of tea in about 1.5 minutes.



MSR Reactor 1L Stove System

The MSR Reactor does just one thing, and crikey it does it well! When you want to boil water the Reactor is quite simply THE best performing gas stove available, and will boil you enough water for a pint of tea in about 1.5 minutes.

The high efficiency radiant burner (click here to see how it works) has an internal pressure regulator, so there's no drop off in performance as your fuel depletes. A heat exchanger minimises wasted energy and completely encloses the burner head, pretty much eliminating the effect of the wind (most stoves, even the mighty Jetboil, fail to provide any where near this level of performance in even a light breeze). Everything packs into the included 1 litre pot, and the sturdy handle clamps down over the strainer lid to keep it all together. You're not going to be cooking elaborate meals on this thing, but for a 2 person exped in extreme conditions, eating simple dehydrated meals and drinking lots of brews, this is the one.

  • Weight 417g
  • Radiant burner head is enclosed by heat exchanger for maximum protection in even the windiest conditions
  • Out-performs the competition in lab tests, with a far greater advantage in windy conditions
  • Patent-pending radiant burner and heat exchanger make the Reactor the most efficient all-condition stove system, so you carry less fuel
  • State-of-the-art stove and high-efficiency pot are combined into one compact, easy-to-use system
  • In the box:
    • Reactor stove with heat exchanger
    • 1L pot with folding/locking handle
    • BPA-free strainer lid
    • Protective cloth for packing/washing up
    • Instructions
  • Awards
    • Rock & Ice magazine's Best in Gear Award
    • Germany's Outdoor magazine's Editor's Choice
    • Backpacker magazine's Editor's Choice
    • Winner in Consumer Product category in I.D. magazine's Annual Design Review
    • Best in Travel Category at the ISPO International Trade Fair
  • Made in USA
MSR IsoPro Gas
Burn Time (227g canister) 80 minutes
Boil Time 1 litre (MSR IsoPro) 3 minutes
Water Boiled (227g canister) 20 litres

Owner's Manual
Please note - gas canister not included - we can't send them by post anyway!



Brand MSR



We try to keep the site updated with products that are in stock and despatch within 1-2 working days (Mon-Fri). Occasionally items ordered may be out of stock. If this should happen we will contact you to let you know when we will be able to despatch your order. Please note that all deliveries are made between 08.00 and 18.00 Monday to Friday and may require a signature.

Free Delivery

Orders are typically despatched with Royal Mail Tracked 48. Please note that this is a guideline only as a different delivery method may be used depending on the size/weight of your order – if you would like any more information on your delivery please contact us. Please note that postal services are dealing with unprecedented numbers of orders just now; there may be a short delay in delivery but we will get your order to you as quickly as we can.

Click and Collect

At checkout, please let us know you'd like to collect your order from our Hathersage store, either in the Comments box on the order page or by emailing us at [email protected], quoting your order number. Click and Collect items are available to pick up Monday – Friday, 9:00 am – 5:00 pm (excluding Bank Holidays), one working day after your order is confirmed.

When your item is ready to collect, you will receive a confirmation email; please either bring a print out of this or show us the email on your phone. You will also need to bring a form of ID which shows the billing address for your order.

Please collect from the back door at the end of Outside's customer car park:

Outside Ltd
Main Street
S32 1BB

Online Only Range

“Online only” products are not available for immediate despatch but you will still normally receive these items within 5-7 days of placing an order. If there are likely to be any further delays we will of course be in touch. These products cannot be purchased in our store.

Next Day Delivery - £5.95

Orders placed BEFORE 2pm Mon-Fri will be despatched the same day, usually with Parcelforce (requiring a signature). Any Next Day orders received after this time will be despatched the following working day. Please note any orders placed AFTER 2 PM on Thursdays will be despatched on Friday, but not delivered until the following week. Next Day isn't possible on Bank Holidays. If you have a mobile number on your account you will receive SMS notifications regarding delivery (UK mainland deliveries only).

Redirection of your order once despatched

We regret to say that we are unable to change the address or postcode on a parcel once it has been despatched. We therefore recommend that you check your delivery address and postcode carefully before completing the order as this will not be checked by us before despatch. We also recommend that orders are sent to an address where someone will be available all day to receive the parcel, e.g. a work address.

European and International Delivery

International service suspended

Unfortunately international orders are temporarily suspended due to the impacts of Coronavirus and Brexit related regulations. We are working to restore normal service when we can - please email [email protected] if you would like an update when we resume international services. Please accept our apologies for any inconvenience.


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