Cosori Electric Gooseneck Kettle CO108-NK

Cosori Electric Gooseneck Kettle CO108-NK

By Cosori · Electric Kettles · Kitchen & Cooking

  • 0.8 L capacity
  • 1200 W power
  • 5 temperature presets
  • Food-grade stainless steel, no plastic contact with water

Lowest price seen
~$69.99 (approx.)
from $69.99 at Amazon

Prices are snapshots. Check the current price with the store.

Problems, parts and running costs

Summary

A preset-only 0.8 L gooseneck kettle at 1200 W, with five fixed temperatures, a hold mode and a beep when the water is ready. Before you buy, know that there is no per-degree setting on the base, and a hands-on test measured the presets about 5°F under the button labels.

Strengths

  • The water path is food-grade stainless steel in the kettle, lid and spout, and the plastic is confined to the base.
  • Three beeps at the target temperature, and an 8-second hold on HOLD TEMP turns them off for good.
  • Boil-dry protection cuts the heat below ½ cup / 118 mL, so a nearly empty kettle switches itself off.
  • Measured boil times hold up: 4 minutes 17 seconds for a full 0.8 L at CNET, 4 minutes 58 seconds for four cups of 57°F water at TechGearLab.
  • Descaling needs only vinegar or half a lemon, and a descaling card ships in the box.

Weaknesses

  • No per-degree control. The base offers five presets and nothing else; settable degrees live on the pricier smart sibling, through an app.
  • The presets measure low: about 5°F at one hands-on test, and 4.5°F to 13.5°F off at points in TechGearLab’s 2025 comparison, while a full boil still reaches 212°F.
  • Pour control is rough. TechGearLab’s 2020 test leads with poor balance on the base and flow that needs more attention than other goosenecks.
  • The base controls can lock up and need a power cycle; one daily user unplugged and replugged it two or three times a week.
  • Owners report the black finish peeling after about two years of heavy use, plus a chipping lid and rust on the lid or inside the heating surface.
  • 0.8 L is tight for batch brewing; owners note an 8-cup Chemex needs two waterings.

Verified specifications

ModelCO108-NK, “Original Electric Gooseneck Kettle”; the manual’s document code is AU0419CC_M1_0419CO108-NK.
Power1200 W, AC 120 V, 60 Hz, the same figure across the product page, the manual and two independent outlets.
Capacity0.85 qt / 0.8 L; CNET lists the same kettle as 27 oz / 0.8 L.
Temperature presetsfive fixed settings — 170°F (white), 180°F (green), 195°F (oolong), 205°F (coffee) and 212°F (boil). No per-degree adjustment on the base.
Holdkeeps the water at the selected temperature for up to 60 minutes after heating finishes.
Ready signalthree beeps when the selected temperature is reached; hold the HOLD TEMP button for 8 seconds to silence them.
Boil-dry protectionheat cuts out below ½ cup / 118 mL, and blinking buttons with beeping mean unplug the kettle to clear it.
Automatic shutoffyes.
Lidseparate and removable, with a MAX fill line inside the kettle as the only water-level mark; the manual’s three retaining tabs can be bent to tighten or loosen the fit.
Handlecounterbalanced and angled away from the body, in non-heat-conducting plastic.
Water pathfood-grade stainless steel in the kettle, lid and spout (the current page says 304 grade), and Cosori states water never touches plastic. The base is plastic and carries the control buttons.
High altitudeuse the COFFEE preset from 3,881–9,255 ft / 1,183–2,820 m and OOLONG from 9,256 ft / 2,821 m and above.
Dimensions11.6 × 9 × 7.7 in, as CNET publishes them. Cosori publishes no dimensions or weight for this model.
In the boxkettle, power base, user manual and a descaling card.
Warranty1 year under the manual, extendable to 2 years by registering the kettle, while Cosori’s product page advertises a 2-Year Limited Warranty.
Full research notes and sources

Temperature presets and accuracy

Presets are the only temperature control on this kettle. Seller copy that calls it variable or precision control means preset selection, and per-degree setting belongs to the CS108-NK smart model. Five buttons is all the base offers.

Accuracy is where the measurements disagree with the labels. A hands-on reviewer whose unit came from Cosori found the presets landing about 5°F below the printed button values, while a full boil did reach 212°F. TechGearLab’s newer 2025 comparison measured the Cosori gooseneck 4.5°F off at the 195°F coffee setting and 13.5°F off in its green-tea accuracy test, where it scored 2.0/10. Owners land in the same place: about plus or minus 5°F, and one owner reading 94°C on a kitchen thermometer when the kettle indicated 100°C. CNET measured temperature with a ThermoPop 2 in its kettle batch but published no per-preset deviation for this model, and no lab has published instrumented accuracy data for the CO108-NK specifically. For black tea at 212°F the offset is irrelevant. For a light-roast pour-over at 195°F it is a real brewing variable, which makes this a kettle that suits tea better than temperature-precise coffee.

Boil times, hold mode and pour control

Two labs have measured the exact model, and the pour verdict has moved over time. TechGearLab’s 2020 exact-model test used four cups of 57°F water with a digital thermometer submerged and reached a rolling boil at 4 minutes 58 seconds, and it called the pour a bit rough with the kettle less balanced than premium goosenecks. CNET filled the kettle to its full 0.8 L and recorded 4 minutes 17 seconds. TechGearLab’s 2025 comparison flipped the pouring finding: it scored the Cosori gooseneck 9/10 for pour feel and 9/10 for precision pouring, measured a 35° natural pour angle and an 11.8-inch coherent stream, the longest in that group, and listed a 3.6-minute boil under its newer 500 mL protocol. The boil figures are not directly comparable because the volume and method changed between tests.

Hold mode is a manufacturer claim: up to 60 minutes at the selected temperature after heating finishes, and the reviewer who used it daily describes it as an hour. Nobody has published hold-mode temperature drift over that hour for this model, so take the number as Cosori’s.

Pour control remains the second limit, though the newer measurement is kinder. Owners still report tilting slightly to get a usable rate, difficulty slowing the flow and keeping it steady, and one spout that sputtered and splattered grounds in a V60 while the handle loosened after a few months. Owners also say the spout pours much faster than a V60 wants, and suits a French press. None of that makes it bad for pour-over. It makes it a kettle that rewards a beginner and frustrates someone chasing a repeatable recipe.

Finish, rust and descaling

Finish durability is the complaint with the sharpest edges. Owners report the black version’s paint peeling after two years of heavy use, a chipping lid, and rust appearing on the lid or the inside heating surface in under two years even when they used only reverse-osmosis or bottled water and dried the kettle after every use. Owners who want durability point at the stainless finish. Listing copy notes that spots or rust on the stainless bottom after a first boil are normal where the water is hard. First-use reports are mixed: one owner returned the kettle over a strong chemical smell, and one is uneasy because steam reaches the plastic top of the lid, though the water path itself stays stainless. The manual walks you through a water test before first use and tells you not to drink that water.

Upkeep is a weekly commitment if you use the kettle often. Cosori’s guidance is to descale at least once a week, and before and after long storage: ½ cup / 118 mL of distilled vinegar or half a lemon with 2 cups / 473 mL of water, boiled, wiped out and repeated as needed, using a non-scratch sponge and no steel wool. A descaling card comes in the box. There are no pods, filters or proprietary consumables, and electricity is minor: at the 1.2 kW rating and the measured boil times, one boil is roughly 0.07–0.10 kWh, or about $4–$13 a year at a boil a day and $0.15–$0.35/kWh (a calculation, not a manufacturer figure). Hold mode can add to that because the kettle reheats for up to 60 minutes.

Warranty, returns and owner reports

Warranty length needs reading carefully. The exact-model manual sets a default period of one year and says it extends by one additional year if you register the kettle on Cosori’s site. Cosori’s product page advertises a 2-Year Limited Warranty, and CNET, The Gadgeteer and Countertop Coffee all report two years, which is the registered figure. The manual excludes damage from abuse, accident, alteration, improper maintenance, return-transit damage and unsupervised use by anyone under 18, and the warranty is non-transferrable and personal-use only. Refunds are limited to the first 30 days and to the original purchaser, and Cosori advertises 30-day free returns. Coverage is replacement rather than repair: no spare-parts channel for this model was found, and the manual tells you not to attempt repairs yourself.

Owner verdicts are positive but soft. ownersreview scores 85% of 109 verified owner verdicts as a recommendation, drawn from 1,794 comments across four communities, 107 of them from Reddit. The same page flags that 24% of the comments carry buy links and look coordinated, and that confirmed affiliate comments were excluded from the score. It also reports the most recent six months at 57% recommend on seven verdicts, and its sample pools this kettle with other Cosori kettles. Nobody has published a failure rate, defect rate or returns figure for the CO108-NK, so treat the mention counts as themes rather than incidence.

The praise that repeats is presets covering tea and coffee, value against pricier rivals, an easy controlled pour, and units still going after years of daily use. One owner ran it daily for four months on an Aeropress without rust, and a UK owner reports one lasting more than a year.

Is it worth it?

Cosori’s own store listed the kettle at $69.99 as of 2026-10-04, and The Gadgeteer recorded the same $69.99 in September 2025. Set against that reference, the verdict is straightforward. At $50 or less it is strong value, if you accept preset-only control, flow that needs practice and a black finish that may peel. Between $51 and $70 is the mainstream case and where both independent labs place it. Between $71 and $85 it is fair, because your comparison set then includes kettles with continuous temperature control and better-documented flow behavior; the 0.8 L capacity and the presets are the specific reasons to stay here. Above $85 it is weak: nobody has measured a CO108-NK advantage above Cosori’s list price, and the two functional limits are structural rather than price-related. The measured preset shortfall matters least for tea and most for light-roast pour-over. Check the store panel above.

If you need per-degree control, Cosori’s own step-up is the CS108-NK smart kettle, with app temperature setting and a 104–212°F range; Walmart listed it at $75.99 and Best Buy at $77.99, only a few dollars more than the original. For a larger 1.0 L kettle with one-degree selection and no app, TechGearLab’s 2025 group put the OXO Brew at a $105 reference price with a 2.9-minute boil, and measured the Fellow Stagg EKG at 0.6°F off target for about $200.

Which model this is

This page covers the Cosori Original Electric Gooseneck Kettle, model CO108-NK, sold in matte black and stainless steel, with UPCs 817915026922 and 817915028254. The manual is titled “Original Electric Gooseneck Kettle, Model: CO108-NK”. The Amazon listing for the black kettle is ASIN B07T1CH2HH. Do not confuse it with the Cosori Smart Electric Gooseneck Kettle CS108-NK, which adds Bluetooth app control, per-degree setting and MyBrew over a 104–212°F range, or with the Cosori glass kettle GK172-CO, which is the model other reviewers test. Cosori publishes no revision log for CO108-NK, and regional variants such as CO108-NK-RBB and CO108-NK-EUR appear in manual libraries.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Retailer listing copy:

Sibling model manual:

Comparison prices:

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