Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) vs Cosori CO108-NK
Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series)
The short answer
Cosori CO108-NK comes out ahead overall with 7.3/10 against 6.6/10 for the Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series). Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) is stronger on value. Cosori CO108-NK is stronger on health & materials, temperature control & features and durability & support. At current verified prices, the Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) costs about $44.00 less.
- Choose the Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) if: Anyone who wants the cheapest way to boil water in glass and steel and see what's inside.
- Choose the Cosori CO108-NK if: Pour-over coffee drinkers who want a gooseneck with presets for about $70.
Scores by criterion
| Criterion | Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) | Cosori CO108-NK |
|---|---|---|
| Plastic-Free Water Path | 7.0Glass and steel, but a reviewer reports a plastic lid rim. | 7.3Maker states steel kettle, lid and spout; Reviewed confirms 304; seals undisclosed. |
| Health & Materials | 6.5Prop 65 lead warning with no part named; glass can break. | 7.0304 steel; Prop 65 warning with no part named. |
| Heating Performance | 6.81500W; glass loses heat faster (Reviewed). | 6.81200W, small capacity. |
| Temperature Control & Features | 3.0Boil only. | 7.55 presets and a 60-minute hold. |
| Ease of Use & Cleaning | 7.0Water is visible; scale shows. | 6.8Good pour; fill line hard to see (Reviewed). |
| Durability & Support | 6.0Breakage risk; 2-year warranty. | 7.0Established model; 2-year warranty. |
| Value | 9.3Cheapest credible option. | 8.3Tested gooseneck at $70. |
Specifications
| Spec | Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) | Cosori CO108-NK |
|---|---|---|
| Capacity | 1.7 L | 0.8 L |
| Power | 1,500 W | 1,200 W |
| Water-contact material | Borosilicate glass body; stainless steel inner lid and filter | Food-grade (304) stainless steel kettle, lid and spout |
| Plastic touches water (per maker) | No | No |
| Silicone/polymer exposed to water or steam | Lid has a plastic rim (per reviewer); main contact surfaces glass/steel | None stated by maker |
| Prop 65 lead warning on maker page | Yes | Yes |
| Variable temperature | No | No |
| Temperature presets | 0 presets | 5 presets |
| Keep-warm / hold | — | 60 min |
| Double-wall body | No | No |
| Gooseneck spout | No | Yes |
| Warranty | 2 years | 2 years |
Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series)
Pros
- Borosilicate glass body
- Stainless inner lid and filter
- Very low price
- Large 1.7L capacity
- Tom's Guide budget pick for avoiding plastic
Cons
- Plastic rim on the lid, per a reviewer
- Shows scale quickly
- Loses heat faster than steel and is more breakage-prone
- No temperature control or keep-warm
The best value in the guide and a fair compromise for casual use. Choose a steel model if lid purity matters more than price.
Full Cosori Electric Glass Kettle 1.7L (Blue LED; GK172/GK173 series) review →Cosori CO108-NK
Pros
- Stainless kettle, lid and spout
- Reviewed names it the best electric gooseneck
- Five presets and a 60-minute hold
- Far cheaper than the Stagg
Cons
- 0.8L capacity
- Max-fill line is hard to see
- Fixed presets only
- Prop 65 lead warning that does not name the part
A smart pick for pour-over drinkers on a budget. It gives up fine control and capacity, but keeps hot water on steel.
Full Cosori CO108-NK review →Both products are part of our guide The Best Plastic-Free Electric Kettles of 2026, where you can see every pick, how we score and current prices from each retailer.