If you are another Yeti cup, or any other brand of vacuum sealed tumblers then do a side-by-side ice test comparison of the two.įill up both cups with the same amount of ice and see how long they hold ice for. Test #3: Test Your Yeti Side-By-Side With Another Tumbler This test is less exact but if you are noticing that your Yeti used to keep ice for a certain length of time and now it is keep ice for a much shorter period of time then this is an indication that you have a problem.Ī lot of people have reported this happening and while not extremely common it does happen. Test #2: Does Your Yeti Cup Not Hold Ice As Long? If it floats then your vacuum seal has likely broken and you need to contact Yeti for a replacement. If it sinks then it is likely your vacuum seal is still in tact. Take the plastic lid off your Yeti and submerge it in water, making sure to get rid of all the air in the cup. To test this fill up your bath, a sink or a bucket with water. If however your vacuum seal has been compromised, filling the inside of your Yeti up with air, the your cup should float even when completely filled with water. I recently did a Yeti tumbler float test and proved that when completely filled with water Yeti cups actually sink. There only needs to be a small compromise in the vacuum seal for the cup to fill up with air.īut there are three ways to test whether or not your vacuum seal has been compromised. You cannot tell is your Yeti Rambler cup is broken just by looking at the outside of it.
#YETI COFFEE TUMBLR HOW TO#
How To Know If Your Yeti Cup Is Broken or Not Some people speculate that washing your Yeti cup in a dishwasher may cause this issue, however Yeti tumblers are considered to be dishwasher safe. It could be due to a manufacturing default, or could be due to an issue with the glue. When this happens there are now particles between the inner and outer wall of the cup, allowing heat to more easily pass through. It is possible for the vacuum seal on a Yeti cup to be compromised and for the vacuum to fill up with air. Most heat needs particles to travel through, and because I vacuum has no particles this means heat struggles to move from the outside to the inside of a Yeti cup (and visa versa). Yeti cups work due to the fact that they are double walled with a vacuum in-between the inner and outer wall. What Makes Yeti Tumbler Cups Stop Working? This is a rare issue, but it does happen for time to time in defective or old units. This causes the cup to lose the majority of it’s insulating properties and unfortunately there is no way to fix this issue, the cup will need to be replaced. Yeti Tumbler cups stop working when the vacuum seal is lost and air fills up the space between the inner and outer wall of the cup. It is possible for Yeti tumbler cups to stop working and to no longer keep your beverages hot or cold for long periods of time?
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