COSORI CO108-NK
COSORI Electric Gooseneck Kettle Instruction Manual
Model: CO108-NK | Brand: COSORI
Product Overview
The COSORI Electric Gooseneck Kettle is designed for precise temperature control, ideal for brewing various types of coffee and tea. Its ergonomic design and durable stainless steel construction ensure a quality brewing experience.
Key Features:
- 5 One-Touch Presets: Accurate temperature control for different beverages (White Tea, Green Tea, Oolong Tea, Coffee, Black Tea).
- 1-Hour Keep Warm Function: Maintains desired water temperature for up to 60 minutes.
- Original Kettle Design: Refined ergonomic design for precise water flow control, perfect for pour-over brewing.
- Purest Taste: 100% food-grade 304 stainless steel interior, lid, and spout ensure no plastic contact with water.
- Precise Pouring: Gooseneck spout and counter-balanced handle provide steady and easy pouring.
- Audible Ready Tone: Beeps 3 times when the target temperature is reached (can be disabled).

Figure 1: COSORI Electric Gooseneck Kettle (Black)
Setup
Unboxing and Initial Use:
- Carefully remove all packaging materials from the kettle and its base.
- Place the power base on a dry, flat, stable, and heat-resistant surface.
- Fill the kettle with water up to the 'MAX' line. Do not fill above the 'MAX' line.
- Boil the water using the "BOIL BLACK" preset (212°F).
- Discard the boiled water. Repeat this process 2-3 times to clean the kettle and remove any manufacturing residue.
- Wipe any water from the outside of the kettle and the base before use.

Figure 2: Kettle with its control panel base.
Operating Instructions
Using Temperature Presets:
The kettle features 5 precise temperature presets for optimal flavor extraction for various beverages:
- White Tea: 170°F (77°C)
- Green Tea: 180°F (82°C)
- Oolong Tea: 195°F (91°C)
- Coffee: 205°F (96°C)
- Boil/Black Tea: 212°F (100°C)
- Fill the kettle with the appropriate amount of water. Ensure at least 118 mL of filtered water is added and do not exceed the 'MAX' line.
- Place the kettle securely on its power base.
- Select the desired temperature preset button on the base. The button will illuminate.
- The kettle will begin heating the water. Once the water reaches the preset temperature, the kettle will beep 3 times and the heating will stop.

Figure 3: Temperature preset controls on the kettle base.
Using the Hold Temp Function:
The HOLD TEMP function keeps the water at the selected temperature for up to 1 hour. This is useful if you need to step away or prepare multiple servings.
- After selecting a temperature preset, press the "HOLD TEMP" button. The button will illuminate.
- The kettle will maintain the water temperature within 5°F of the desired setting for up to 60 minutes.
- If the kettle is lifted from the base during heating while HOLD TEMP is active, it will continue the heating process if returned to the base within 1 minute.
- To turn off the audible ready tone, press and hold the "HOLD TEMP" button for 8 seconds.

Figure 4: The 60-minute Keep Warm function allows for extended enjoyment.
Pouring Technique:
The gooseneck spout and counter-balanced handle are designed for precise pour-over brewing, allowing for steady and controlled water flow.

Figure 5: Precise pour control with the gooseneck spout.
Maintenance and Cleaning
Regular Cleaning:
- Unplug the kettle and allow it to cool completely before cleaning.
- Wipe the inside and base with a soft, damp cloth. Avoid getting the underside socket wet.
- Dry completely after every use. Never immerse the kettle or base in water.
Descaling the Kettle:
Mineral deposits (limescale) can build up inside the kettle, especially in areas with hard water. Regular descaling is recommended to maintain performance and taste.
- Unplug the kettle and pour out all water.
- Add 1 cup of vinegar or the juice of half a lemon to the kettle.
- Add 2 cups of water to the kettle.
- Boil the mixture using the "BOIL BLACK" preset (212°F).
- Allow the mixture to soak in the kettle for 2 hours.
- Pour out the mixture. If needed, use a non-scratch sponge to scrub any remaining limescale.
- Rinse the kettle thoroughly with clean water and dry with a soft, clean cloth.
- Repeat the process as needed for stubborn deposits.

Figure 6: The kettle's interior is 100% stainless steel for pure water.
Troubleshooting
Common Issues and Solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Spots or rust on stainless steel bottom after first use. | Hard water quality in your area. | This is normal. Follow the descaling instructions in the Maintenance section to clean. |
| Kettle does not heat water. | Kettle not properly placed on base; power cord unplugged; no water in kettle. | Ensure kettle is correctly seated on the base. Check power cord connection. Add at least 118 mL of water. |
| Audible tone is too loud/annoying. | Default setting for ready tone. | Press and hold the "HOLD TEMP" button for 8 seconds to turn off the alarm. |
Product Specifications
| Specification | Detail |
|---|---|
| Brand | COSORI |
| Model Name | Gooseneck Electric Kettle |
| Item Model Number | CO108-NK |
| Color | Black |
| Product Dimensions | 11.6"L x 9"W x 7.7"H |
| Item Weight | 3.53 Pounds |
| Material | Stainless Steel (interior) |
| Special Feature | 5 One-Touch Presets, 1 Hour Keep Warm, British Strix Controller, Low Noise, Sleek Design |
| Included Components | 1 Kettle, 1 Base, 1 Manual, 1 Warranty Card |
| Recommended Uses | Heating, Boiling (for Coffee & Tea) |
Warranty and Support
For detailed warranty information and customer support, please refer to the included Warranty Card with your product. You can also find additional resources online:
- Official User Guide (PDF): Download User Guide
- Official User Manual (PDF): Download User Manual
- Visit the COSORI Store: COSORI Official Store
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