Alto-Shaam 400-HWI/D4 Halo Heat Steam Tables & Food Wells - 400-HWI/D4
Waterless holding | 4-3/8" deep well | Fits four 12" × 20" pans
Replace high-maintenance steam tables with the gentle, even warmth of Halo Heat®. This drop-in hot food well keeps menu items at perfect serving temperature—without water, plumbing or hot spots—to boost food quality, safety and profits.
Features
- Waterless design eliminates drains, scale build-up and boiler maintenance.
- Patented Halo Heat® surrounds food with steady, radiant heat—no fans or humidity required.
- Four independent thermostatic controls let you hold each pan at its ideal temperature.
- EcoSmart® engineering uses up to 30 % less energy than traditional steam wells.
- Cool, dry operation improves employee and guest safety by removing steam hazards.
- Drop-in stainless steel flange installs flush for a clean, professional serving line.
- cULus, UL EPH, CE, IPX3 & TÜV NORD certified for worldwide compliance.
Specifications
| Model |
400-HW/D4 |
| Exterior dimensions (H × W × D) |
7-5/16" × 54" × 23-1/8" (185 × 1371 × 586 mm) |
| Well interior (H × W × D) |
4-3/8" × 50-15/16" × 20-3/16" (111 × 1294 × 512 mm) |
| Net / Ship weight |
71 lb (32 kg) / 125 lb (57 kg) |
| Electrical options |
120 V 1 ph 50/60 Hz • 2.4 kW • 20 A • NEMA L5-30P
208–240 V 1 ph 50/60 Hz • 1.8–2.4 kW • 8.7–10 A • NEMA 6-15P
230 V 1 ph 50/60 Hz • 2.4 kW • CEE 7/7 or BS 1363 plug |
| Heat rejection |
243 BTU/hr (0.07 kW) |
| Ingress protection |
IPX3 |
| Controls |
Four flush-mount adjustable thermostats (one per well) |
Capacity
| Full-size pans (12" × 20") |
4 |
| Half-size pans (12" × 10") |
8 |
| Third-size pans (12" × 6-2/3") |
12 |
| Maximum product load |
96 lb / 44 kg |
| Maximum volume |
58 qt / 56 L |
What our Experts Think
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Halo Heat® Technology: Gentle, even heating preserves food quality and moisture.
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Four-Well Design: Perfect for holding multiple dishes in buffets, catering, or commercial service.
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Energy Efficient: Consumes less power than traditional steam tables, lowering operating costs.
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Durable & Hygienic: Stainless steel construction ensures long-lasting use and easy cleaning.
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Commercial Reliability: Ideal for restaurants, hotels, and high-volume foodservice operations.
Q&A
Q: What is the Alto-Shaam 400-HWI/D4?
A: A 4-well Halo Heat® heated food well with integrated waterless heating, designed to hold hot foods at safe serving temperatures without added water or steam.
Q: How many wells does it have?
A: Features 4 independently controlled wells for versatile food service.
Q: What makes Halo Heat® technology unique?
A: Uses gentle, even heat to preserve food quality, reduce shrinkage, and eliminate water-related maintenance.
Q: What type of pans does it hold?
A: Compatible with standard hotel pans in full, half, or fractional sizes.
Q: What materials is it made from?
A: Durable stainless steel interior and exterior for longevity and easy cleaning.
Q: Does it require plumbing?
A: No, it operates completely waterless, reducing operating costs and maintenance.
Q: What safety features are included?
A: Independent controls with indicator lights and overheat protection for safe operation.
Q: Where can this unit be used?
A: Perfect for buffets, cafeterias, catering, hotels, and institutional kitchens.
Maintenance Tips
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Clean wells daily with mild soap and warm water; avoid abrasive cleaners.
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Wipe exterior surfaces regularly to maintain hygiene and professional appearance.
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Inspect electrical components and controls for safe and reliable operation.
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Avoid sharp tools when removing food debris to prevent damage.
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Schedule routine professional servicing to ensure consistent Halo Heat performance and longevity.
