Customer Reviews

133
4.5 out of 5 stars
Mac Coupler Propane Bottle Cap MacCaps
Price:$8.85 + Free shipping with Amazon Prime
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33 of 35 people found the following review helpful
on February 1, 2010
Dittos. Vital item for partially-used 1-pound bottles, or if you refill them from a larger tank. Most of the used/refilled bottles will have a slow leak, which is wasteful and/or dangerous in storage. These caps solve the problem. A mystery to me is why they are so hard to find at local retail shops (sporting goods, camping shops, etc.) which mostly have never even heard of these caps...?
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24 of 28 people found the following review helpful
on October 19, 2009
Absolutely you need this. Propane, on a camping trip, is more than just convenient, it's essential survival gear. So, don't allow poorly sealing valves to rob you of this precious resource--get these heavy duty brass caps and store your 1lb'ers without worry.
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8 of 8 people found the following review helpful
on March 1, 2011
These caps are well made and are very nice to use and are much better than the plastic caps that come with the tanks and they offer better protection of the threads on the tanks these are just 100% a better product than the plastic.
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5 of 5 people found the following review helpful
on December 24, 2011
The Mac propane bottle caps, which are made of brass, are a good idea, and using the supplied washer, they can seal a propane canister better than the original plastic caps. Their price seems to be somewhat high, but these may be the only such product on the market.
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9 of 11 people found the following review helpful
These are high quality brass caps that protect the threads of your one pound propane bottles or propane hoses. That's it! They do not produce an air tight seal. Therefore half the reviews here are wrong, or in fact the product has changed over time and we have more than one version floating around. See my pictures of of the brass caps so you can understand. Also I disagree with the folks who say that the 1 pound bottles leak propane while in storage. It's not been my experience and Coleman says otherwise as well:

Shelf life of Coleman® Fuel

An un-opened container of Coleman® Fuel stored in a dry area with no rapid extreme changes in temperature will remain viable for five to seven years. An opened container stored in the same area will remain viable for up to two years though will be at its best if used within a year. Coleman® Propane Cylinders can be stored indefinitely in a dry area. The propane fuel inside the cylinder will not break down.

I'm giving the product four stars because they are very well made and do what they are advertised to do. I use them to protect the threads on my propane hoses, however, a little of the hose thread remains exposed so minus one star.
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4 of 4 people found the following review helpful
on December 12, 2011
These caps are hard to find but an essential safety device for the small propane tanks used for camping, picnics, etc. For example, a few years ago while on a camping trip, I discovered a brand new tank in my trunk that was leaking; it had not even been used yet. Had I not stopped to get a snack from the trunk, who knows if we could have had an explosion or fire. These caps seal the tank so that even if the valve is defective, the tank will not seep propane gas. Great!
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4 of 4 people found the following review helpful
on April 24, 2012
I refill the bottles and find they don't always seal completely after refilling them. Using these well made caps solves that problem.
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10 of 14 people found the following review helpful
on June 7, 2012
I looked and looked, but nowhere does it says how many caps are included in each package. The quantity is carefully hidden from view. So I read the reviews and the only clue came from Shawn Stanley, who writes they are worth $1.50 each. At $9.35 per pack, I figured I was getting six caps, but I only got two. This makes the price per cap ridiculously high. I still need about 20 caps, but I'll be looking for something else. Not a good value.
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1 of 1 people found the following review helpful
on November 21, 2014
As others have noted these are a bit pricey. However if you have ever had a propane canister with dinged threads that wouldn't screw on, you'll see the wisdom of having these. Trying to force on a bottle with dinged threads can damage your propane powered item (the bottles are steel, the threaded fitting on most every lantern, stove heater etc is softer brass).

We usually carry a couple bottles with us on Jeep trips and when we are loading up and moving to the next nights campsite, they tend to get tossed in with all the other "stuff". Dinged threads are no good and these ensure its never a problem. Good peace of mind.
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1 of 1 people found the following review helpful
on November 23, 2014
These are just what they say, twist on bottle caps...If you have extra bottles, that you keep in storage, like I do, you need these caps...they are made of solid brass, with a well made sealer/liner in the cap to make this an air tight fit..... so no leaking propane will escape....they work great, and I will never have to worry of a leaking bottle...
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