Alto-Shaam 400-HWI/D6 Halo Heat Steam Tables & Food Wells - 400-HWI/D6
4-Pan Capacity • 6-3/8" Deep Well • Individual Thermostats • EcoSmart® Efficiency
Give guests perfectly held entrées, sides and sauces without the headaches of steam tables. The 400-HW/D6 uses Alto-Shaam’s exclusive Halo Heat® radiant technology to surround each pan with gentle, even heat—extending hold times, protecting food quality and cutting operating costs.
Features
- Waterless design—no plumbing, drains or costly steam generation to install or maintain.
- Halo Heat® technology eliminates fans and harsh elements, maintaining moisture and flavor.
- (4) independent, flush-mountable thermostats for pinpoint temperature control in each well.
- 6-3/8" deep stainless steel well accepts standard 12" × 20" × 6" pans and fractional sizes with optional bars.
- EcoSmart® system draws as little as 1.8 kW (208 V), slashing energy consumption.
- All-stainless construction for long-term durability and easy sanitation.
- Cools the work area—no escaping steam and no danger of scalding hot water spills.
- Full safety & sanitation approvals: cULus, UL EPH Classified (NSF/ANSI 4), CE, IPX3, TÜV NORD, UKCA.
Specifications
| Model |
400-HW/D6 |
| Pan Capacity |
(4) full-size 12" × 20" × 6" pans (pans not included) |
| Well Depth |
6-3/8" / 162 mm |
| Exterior Dimensions |
9-5/16" H × 54" W × 23-1/8" D
(235 mm × 1371 mm × 586 mm) |
| Interior Well |
6-3/8" H × 50-15/16" W × 20-3/16" D
(162 mm × 1294 mm × 512 mm) |
| Controls |
(4) thermostatic knobs, 60°–200°F (16°–93°C) |
| Electrical |
120 V / 20 A / 2.4 kW • 208 V / 8.7 A / 1.8 kW • 240 V / 10 A / 2.4 kW, 1 ph, cord & plug included |
| Net Weight |
79 lb / 36 kg |
| Construction |
18-gauge stainless steel well & flange, welded & polished |
What our Experts Think
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Four-Well Configuration – Designed to hold up to four 12" x 20" full-size pans (6" deep), ideal for high-volume foodservice operations.
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Halo Heat® Technology – Provides consistent, gentle radiant heat that maintains food quality without overcooking or drying out.
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Independent Thermostatic Controls – Each well has its own adjustable thermostat, allowing precise temperature control for different menu items.
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Durable Stainless Steel Construction – Built to withstand the rigors of a commercial kitchen, ensuring longevity and easy cleaning.
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EcoSmart® Energy Efficiency – Designed to reduce energy consumption while maintaining optimal performance.
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No Water or Plumbing Required – Eliminates the need for water connections, reducing maintenance and installation costs.
Q&A
Q: What is the Alto-Shaam 400-HWI/D6?
A: It’s a Halo Heat® drop-in hot food well unit with six independently controlled wells, designed for precise, waterless holding of multiple menu items.
Q: How does Halo Heat® technology work?
A: Uses gentle, radiant heat to maintain even temperatures, preserve moisture, and prevent overcooking without using water or steam.
Q: Can each well be controlled separately?
A: Yes, all six wells have independent temperature controls, allowing multiple foods to be held at different ideal serving temperatures.
Q: What sizes of pans fit in this unit?
A: Supports full-size and fractional pans, giving flexibility for different menu items and portion sizes.
Q: Where is this model best used?
A: Perfect for buffets, cafeterias, hotels, and catering operations needing consistent hot food holding for multiple items.
Q: What is the advantage over traditional steam tables?
A: Waterless operation reduces labor, eliminates plumbing, saves energy, and keeps food fresh and presentable longer.
Maintenance Tips
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Clean food wells and interior surfaces daily with warm water and mild detergent.
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Sanitize all food-contact areas regularly to ensure safe food handling.
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Monitor water levels to maintain consistent heating performance.
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Inspect gaskets, hinges, and hardware; replace if worn or damaged.
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Avoid abrasive cleaners that can scratch stainless steel surfaces.
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Drain and descale wells periodically to prevent mineral buildup.
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Schedule professional maintenance checks to keep heating components efficient.
