VE® Hybrid Water Boiler & Warmer CV-DSC40 (4 liters) from Zojirushi

VE® Hybrid Water Boiler & Warmer CV-DSC40 (4 liters)

The VE® Hybrid Water Boiler & Warmer features vacuum insulation for maximum energy efficiency, and uses very little electricity to keep water warm. Its easy-to-clean clear coated stainless steel exterior is sure to fit any kitchen décor, domestic or commercial.

•Vacuum-electric (VE) hybrid keep warm system
•Micro computerized temperature control system
•Easy-to-clean clear coated stainless steel exterior
•Energy-saving timer function (6-10 hours)
•Easy-to-hear sound indicator to alert completion of boiling process or low water level
•Removable magnetic power cord
•Three keep warm temperature settings (175°F, 195°F, 208°F and Vacuum Insulated Non-Electric Keep Warm)
•cETLus listed

Model No. CV-DSC40
Capacity 135 oz. / 4.0 liters
Dimensions (W x D x H) 8-3/4 × 11-1/8 × 13-7/8 inches
Electrical Rating 120 volts / 840 watts
Operating Temperature 175°F, 195°F, 208°F and Vacuum / Reboils to 212°F
Color Stainless Steel


Edit info Last updated by looseTman

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129 tasting notes

Forget everything else I have looked at.
This is what I want for Christmas :-)


Nice! I’m still a Breville convert, only because it steeps it all for me as well as ensures the temperature is perfect.


Hmmm…lol…you keep me thinking, but I love the fact that it will keep the water your preferred temp ALL DAY!!


Ah, yes. That is the one default/downfall of mine. I do wish it kept things hotter, longer, especially when I’m brewing a liter of tea at a time.


Happy New Year CelebriTEA, What did Santa bring you for Christmas?


looseTman good to see you back!


mrmopar That’s very kind of you!
I’m very glad to be back. I’ve been out of town for several weeks helping my elderly parents. My father just had successful total knee replacement surgery. I’ve been too busy to taste & review tea or even to logon to Steepster. My diminishing stash of TeaVivre Premium Keemun Hao Ya & Verdant Laoshan Black teas have kept me going. I missed all the Christmas tea sales too! :-( As you can imagine, I now have a quite a backlog of teas to review which will take time for me to work through.


I am just glad you guys are ok! Tasting notes and reviews are not what caused my gladness!

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37 tasting notes

AMAZING. Virtually a glorified kettle, but I can’t imagine life without it. I live out in the country, and have to be up VERY early for work (with a long commute) and I set my Zojirushi before I go to bed. I wake up to water that is already at the perfect temperature, steep my tea (or cook my hot oats) and head out the door.
It sings a little song to let you know the water has reached the correct temperature, which I find endearing.
I have also used it at parties so people could make hot chocolate on demand.
FYI: The sides are magnetic, so mine now has tea-themed magnets all over it!


Hi TeaRawcs,
How long have you had your Zo hybrid? Thanks!


Hi looseTman,

I’ve had it about 1.5 years now. I’ve never had any problems, but I live in the country and my water is VERY hard on it, so I buy jugs of spring water. The company sells a citrus cleaning thing (the machine collect minerals over the year, but you can just wipe it clean), however I used Lemon juice and boiled it and let it sit, and wiped it clean!
Let me know if you have any more questions!

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138 tasting notes

Best thing ever.

Basically, I drink so much tea that I kept breaking cheap (under $30) electric kettles every year/year and a half. After going through my third one (the base leaked water and it became an electric hazard), I figured I’d save up over the summer for one of these and wound up getting it a little before classes started, which was almost two weeks ago. I’ll try to remember to update this over time.

So far, no complaints. I picked this one (instead of the 3L Champagne Gold model) due to its larger capacity and vaccum-electric hybrid, which is supposed to help reduce electricity consumption (which would hopefully lead to a slightly lower electric bill than if I’d gotten the 3L model). The music notification irritated me, but pressing and holding the “Unlock” button for several seconds can set it to Beep or Silent mode, so I set it for the former.

There are three temperature settings (in F): 208, 195, 175, and a Vaccum Insulation-only mode.

The only two things I want to point out:

It always boils water first, then lets it cool to the temperature specified. This is probably the only big flaw I can see for tea drinkers who want to make the most out of their water by only letting it heat up to the temperature they want and not go over that.

For college/grad students (or people who do a lot of moving and live in small spaces like studio or efficiency apartments): This is kinda big. Not massive, but definitely a little bigger than I expected (it has a 4L capacity, after all). But it shouldn’t be too hard to find a box for it if you don’t have the original and need to move. And it’s not oddly shaped like a gooseneck kettle, which is a huge plus when it comes to packing.


Awesome review, was wondering how this thing actually works. Seems like it would take up an additional room all to itself! 4 L is obscenely huge and incredibly tick. I think the boil then cool is the way to go, it follows the method for Japanese tea, and would also boil off any odd tastes and stray bacteria in the water. If the local water supply goes bad you would be all set for that too!

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