Winco RW-S451 100-Cup Rice Warmer
#1 in Rice warmersFull review
The best-value warmer here: 100 cups, a hinged lid and a sanitation listing at a low price per cup.
Amazon $245.68$245.68
The Winco RW-S451 100-Cup Rice Warmer is the better commercial rice cooker overall, rated 4.3 to 3.1. The Winco RW-S451 100-Cup Rice Warmer leads on listings, capacity and value. The Winco RW-S451 100-Cup Rice Warmer costs $68.81 less ($245.68 vs $314.49).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Zojirushi THA-603S Rice Warmer
#6 in Rice warmersFull review
The smaller Zojirushi warmer for lighter service. The THA-803SA holds a third more rice for a little more money.
Amazon $314.49$314.49
Which should you buy?
- Choose the Winco RW-S451 100-Cup Rice Warmer for listings (listed ETL Sanitation and ETL vs listed ETL, no sanitation listing published), capacity (100 cups cooked vs 66 cups cooked) and value ($2.46 per cooked cup ($245.68, 100 cups) vs $4.77 per cooked cup ($314.49, 66 cups)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every rice warmers commercial rice cooker; a clear win is highlighted. How we rank explains each one.
| Factor weight | Winco RW-S451 100-Cup Rice Warmer | Zojirushi THA-603S Rice Warmer |
|---|---|---|
| Overall rating | 4.3/5 | 3.1/5 |
| Value 25% | 79 $2.46 per cooked cup ($245.68, 100 cups) | 50 $4.77 per cooked cup ($314.49, 66 cups) |
| Capacity 15% | 86 100 cups cooked | 37 66 cups cooked |
| Heating 15% | 100 holds rice up to 12 hours | 100 holds rice up to 12 hours |
| Listings 20% | 100 listed ETL Sanitation and ETL | 40 listed ETL, no sanitation listing published |
| Features 15% | 60 hinged lid, stainless body, keeps warm 8 hours or more, condensation collector | 30 stainless body, keeps warm 8 hours or more |
| Warranty 10% | 33 1-year warranty | 0 6-month warranty |
Specifications
| Winco RW-S451 100-Cup Rice Warmer | Zojirushi THA-603S Rice Warmer | |
|---|---|---|
| Capacity | ||
| Type | Warmer only | Warmer only |
| Cooked capacity | 100 cups | 66 cups |
| Pot volume | - | 6 L |
| Keep-warm time | 12 hours | 12 hours |
| Power | ||
| Wattage | 103 W | 77 W |
| Voltage | 120 V | 120 V |
| Listings | ||
| Sanitation | ETL Sanitation | - |
| Safety | ETL | ETL |
| Features | ||
| Inner pot | nonstick | nonstick |
| Hinged lid | Yes | - |
| Stainless body | Yes | Yes |
| Condensation collector | Yes | - |
| Build | ||
| Dimensions | 19 x 14.88 x 17.88 | 18 1/8 x 15 x 12 5/8 |
| Warranty | 1 year | 6 months |