Question 1

Anova or Wancle?

Accepted Answer

I've only used the Anova but immersion tube looks similar and the description sounds similar. For me it came down to the look and feel and I preferred the Avona. I know that the Avona indicates you need Internet access to operate but I have used it without it or at least I think I was. I've turned it on and set the temperature manually on the device.

Question 2

What does it imply that it has less power (wattage)?

Accepted Answer

The lower wattage is directly related to the smaller water bath max capacity.   The nano supports a max of 5 gallons vs 8 gallons on the 900w version.  This would be a function of both ability to circulate and ability to maintain heat in a larger bath without overusing the heating element.

In terms of cook, as long as you are operating the device within its specified range there should be zero impact.

The answers about using less heat electricity are also misleading.  I see no reason to believe that the nano is more efficient at creating heat per watt of power. Thus, for the same quantity of water both a 750 and a 900 would, for all intents and purposes, use the same power over the cook period.

Question 3

So do I have to buy a separate vacuum sealing machine to be able to use this?

Accepted Answer

The vacuum sealer will get 100% of the air out of the bag. The water immersion method of sinking the bag into the water with just 1 inch of the seal open above the water, then snap it closed, will get 99% of the air out.  I wouldn't waste money on another appliance just to get the last 1% of air out.  What I would do is invest another $20 in the stainless steel rack that keeps the bags separated and under the water.  I didn't buy the rack at first, and had generally good results.  But after reading a cookbook that warned against just letting the bag sit against the inside wall of the tank, I decided to buy a rack.  It was well worth it: putting the bag or bags in the rack allows the water to circulate completely around the bags, and produces a consistently uniform result.

Question 4

Is this new model water proof? I thought it was a major flaw that the last model's electronic display, etc, wasn't water proof.

Accepted Answer

No, it is water resistant—which is probably fine. I believe the "Frieing" is the only sous vide sick that is actually waterproof (i.e., submersible) per IPX7 standards.

ASIN	B07C7PW3PC
Best Sellers Rank	#5,402 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #2 in Sous Vide Machines
Brand Name	Anova Culinary
Color	Black
Control Method	App
Customer Reviews	4.6 4.6 out of 5 stars (15,039)
Global Trade Identification Number	00851607006427
Included Components	1 Anova Precision Cooker Nano
Item Dimensions D x W x H	4.1"D x 2.2"W x 12.8"H
Item Type Name	Sous Vide Cooker
Item Weight	1.7 pounds
Lower Temperature Rating	32 °F
Manufacturer	Anova Culinary
Material	Plastic
Model Number	AN400-US00
Part Number	AN400-US00
UPC	851607006427 702872656650 600186763036
Unit Count	1 Count
Upper Temperature Rating	197 °F
Voltage	120 volts
Warranty Description	2 year warranty
Wattage	800 watts

Sous Vide Precision Cooker Nano 2.0

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