Alto-Shaam Halo Heat Steam Tables & Food Wells - 300-HW/D443
Waterless • 3 Full-size + 3 Third-size Pan Capacity • EcoSmart
Serve every dish at its absolute best with Alto-Shaam’s patented Halo Heat technology. The 300-HW/D443 drop-in hot well delivers gentle, even radiant heat—no water, steam or fans—so your food stays fresh, colourful and delicious for hours while you slash utility and maintenance costs.
Features
- Waterless Halo Heat surrounds food with uniform radiant warmth—no hot spots or drying out.
- Flexible layout fits (3) 12" × 20" full-size pans, (6) half-size pans or up to (12) 1/3-size pans.
- Includes (9) half/third-size and (2) large divider bars for limitless pan configurations.
- 4-3/8" deep well holds standard 4" (100 mm) pans; also accepts 2 ½" deep pans.
- Adjustable thermostatic controller (flush-mountable) lets you dial in the perfect holding temperature for any menu item.
- All-stainless-steel construction with IPX3 splash protection stands up to the toughest commercial kitchens.
- No plumbing required—eliminates lime/scale build-up and reduces installation cost.
- EcoSmart design draws only 0.07 kW of heat gain (243 BTU/hr) for lower HVAC load and energy bills.
Specifications
| Model |
300-HW/D443 |
| Exterior (H × W × D) |
7-5/16" × 40-15/16" × 30-3/16" (185 × 1039 × 765 mm) |
| Interior well (H × W × D) |
4-3/8" × 37-7/8" × 27-1/4" (111 × 962 × 691 mm) |
| Net weight |
68 lb (31 kg) |
| Electrical |
120 V, 1Φ, 50/60 Hz, 20.3 A, 2.4 kW – NEMA L5-30P plug
208-240 V, 1Φ, 50/60 Hz, 8.8-10.1 A, 2.4 kW – NEMA L6-15P plug
230 V, 1Φ, 50/60 Hz, 10.6 A, 2.4 kW – CEE 7/7 plug |
What our Experts Think
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Halo Heat Technology = Premium Food Holding Performance
Gentle radiant heat surrounds food evenly, helping maintain moisture, texture, and safe serving temperatures without steam, fans, or water systems
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High-Capacity Design for Busy Service (300 Series Platform)
Built to handle multiple full-size pans, making it ideal for buffets, cafeterias, and high-output commercial kitchens
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Waterless System = Lower Maintenance & Installation Costs
No plumbing, no drains, and no descaling—resulting in faster setup and significantly reduced long-term maintenance requirements
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Stable, Even Heat = Better Food Consistency
Eliminates hot spots and temperature swings, ensuring consistent quality across all menu items during peak service
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Independent Temperature Control Flexibility
Allows operators to set different holding temperatures per well, supporting mixed menus and improving service precision
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Energy-Conscious Commercial Operation
Designed for efficient heat retention, helping reduce energy waste while maintaining reliable holding performance all day
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Durable Stainless Steel Build
Engineered for heavy-duty kitchen environments with long service life, easy cleaning, and professional-grade reliability
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Drop-In Installation for Seamless Integration
Fits into custom counters and service lines to optimize workflow, presentation, and front-of-house efficiency
Q&A
Q: What is the Alto-Shaam 300-HW/D443 used for?
A: A commercial drop-in hot food well designed for high-capacity food holding in buffets, cafeterias, hotels, and catering operations.
Q: What is the pan capacity of this model?
A: It holds three full-size 12" x 20" pans plus additional third-size pan configurations, using divider bars for flexible layout.
Q: How does Halo Heat technology work?
A: It uses gentle, radiant heat that surrounds food evenly, maintaining temperature and moisture without fans, steam, or boiling water.
Q: Does it require water or plumbing?
A: No. It is a fully waterless system, eliminating drains, plumbing, and lime scale buildup while reducing maintenance.
Q: Can temperatures be controlled separately?
A: Yes. It includes independent thermostatic controls for precise temperature management across wells.
Q: Is this unit energy efficient?
A: Yes. Its design reduces energy waste by maintaining consistent heat without overheating or steam loss.
Q: What material is it made from?
A: Heavy-duty stainless steel construction built for demanding commercial kitchen environments.
Q: Is installation complicated?
A: No. It features a drop-in design with simple electrical connection and no plumbing required.
Q: What are the benefits over traditional steam tables?
A: Better food quality retention, no water usage, lower maintenance, improved safety, and more consistent heat distribution.
Maintenance Tips
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Daily dry cleaning: Wipe stainless steel wells and exterior surfaces after service to prevent buildup and maintain food safety.
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No water required: Waterless Halo Heat design—never add water or steam, preventing scale and corrosion issues.
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Use non-abrasive cleaners only: Protect stainless steel finish; avoid chlorine-based or harsh scrubbing agents.
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Remove food residue promptly: Keep wells clean and dry to maintain even radiant heat performance.
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Inspect thermostats regularly: Ensure accurate temperature control for safe hot holding and consistent food quality.
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Preheat before loading: Allows stable heat distribution and reduces strain on heating components.
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Check electrical connections: Periodically inspect wiring, plugs, and control box for safe operation.
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Avoid harsh tools or steel wool: Prevents surface damage and extends equipment lifespan.
Damage 
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