An insulated, listed warmer for under $150 that takes the pot from Proctor Silex’s 60-cup cooker. A good match for kitchens already using that cooker.
Amazon $149.99
The smaller Zojirushi warmer for lighter service. The THA-803SA holds a third more rice for a little more money.
- 66 cups cookedCapacity
- 77 WPower
- 12 hoursKeep warm
- ETLListings
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Holds 66 cups of cooked rice for 12 hours
- Shorter body fits under low shelves
- Stainless body
- No NSF listing published
- Costs almost as much as the larger THA-803SA
The Zojirushi THA Rice Warmer family
Every Zojirushi THA Rice Warmer model we rank, smallest first. Ratings compare each against its own type.
| Model | Capacity | Rating | Price |
|---|---|---|---|
| Zojirushi THA-603S Rice Warmer (this one) | 66 cups cooked | 3.1/5 | $314.49 |
| Zojirushi THA-803SA Rice Warmer | 88 cups cooked | 3.3/5 | $329.99 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | THA-603S |
|---|---|
| Capacity | |
| Type | Warmer only |
| Cooked capacity | 66 cups |
| Pot volume | 6 L |
| Keep-warm time | 12 hours |
| Power | |
| Wattage | 77 W |
| Voltage | 120 V |
| Listings | |
| Safety | ETL |
| Features | |
| Inner pot | nonstick |
| Stainless body | Yes |
| Build | |
| Dimensions | 18 1/8 x 15 x 12 5/8 |
| Warranty | 6 months |
Alternatives in this type
A low-cost, fully listed 100-cup warmer for inspected kitchens. It holds rice for a slightly shorter day than the 12-hour warmers.
Amazon $238A large Zojirushi warmer that holds a full batch through a long service. It lacks the sanitation listing that cheaper warmers carry.
Amazon $329.99Compare
Compare the Zojirushi THA-603S Rice Warmer with any other commercial rice cooker →
More from Zojirushi: every Zojirushi product ranked.