Alto-Shaam Halo Heat Steam Tables & Food Wells - 200-HW/D643
Model 200-HW | Waterless • EcoSmar • 6-3/8 in Deep
Serve every dish at its best with Alto-Shaam’s patented Halo Heat technology. This waterless, drop-in hot food well gently surrounds pans with uniform radiant heat—no hot elements, steam or fans—so food stays fresh, moist and ready to sell while you save on installation, energy and maintenance.
Features
- Waterless design eliminates plumbing, drains, steam and lime/scale build-up.
- Halo Heatradiant blanket maintains precise temperatures without hot spots.
- 6-3/8 in (162 mm) deep well holds standard 6 in pans for extended holding times.
- Adjustable thermostatic controller can be flush-mounted or located out of view.
- EcoSmart efficiency keeps heat gain to only 162 BTU/hr, reducing HVAC load.
- Heavy-duty stainless-steel construction built for busy commercial kitchens.
- Certified cULus, UL EPH Classified, CE, IPX3 & TÜV NORD for worldwide compliance.
Specifications
| Pan Capacity |
(2) 12 in × 20 in full-size & (2) 12 in × 6 in third-size – up to 6 in deep |
| Well Depth |
6-3/8 in (162 mm) |
| Exterior Dimensions (H × W × D) |
9-5/16 in × 28-1/16 in × 23-1/8 in (235 mm × 712 mm × 586 mm) |
| Cut-Out (non-combustible) |
26-13/16 in × 22-1/8 in (681 mm × 562 mm) |
| Net Weight |
45.5 lb (21 kg) |
| Electrical Options |
120 V / 1 ph / 10 A – 1.2 kW
208–240 V / 1 ph / 4.3–5.0 A – 0.9–1.2 kW
230 V / 1 ph / 5.2 A – 1.2 kW |
| Heat Gain |
162 BTU/hr (0.05 kW) |
Included
- (6) third-size pan divider bars
- (1) large pan divider bar
- Remote control box with 6 ft (1.8 m) cord – back exit standard
What our Experts Think
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Precision Halo Heat holding: The 200-HW/D643 uses Alto-Shaam’s waterless radiant Halo Heat system to maintain steady, even temperatures without steam, fans, or hot spots, preserving food quality during long service.
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Improved food quality retention: Gentle, uniform heat prevents drying and overcooking, helping maintain moisture, texture, and consistent serving quality over extended holding periods.
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Flexible multi-pan configuration: Designed for (2) full-size + (2) third-size pans, with divider bars for adaptable buffet or service-line setups.
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Dual independent temperature control: “HWI” configuration allows separate thermostatic control per well, enabling different foods to be held at different temperatures simultaneously.
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Waterless, no-plumbing installation: Eliminates water, drains, and steam systems, reducing installation costs and removing scale buildup and maintenance headaches.
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Energy-efficient EcoSmart design: Low heat loss and insulated construction reduce energy consumption and limit kitchen heat gain in front-of-house environments.
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Heavy-duty stainless build: Engineered for continuous commercial use with durability, hygiene, and long service life in high-volume kitchens.
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Q&A
Q: What is the Alto-Shaam 200-HW/D643?
A: The 200-HW/D643 is a commercial drop-in hot food well that uses Halo Heat® technology to hold multiple hot food pans at safe serving temperatures without water, steam, or fans.
Q: What is Halo Heat technology?
A: Halo Heat is a gentle radiant heating system that surrounds food evenly, preventing drying, overcooking, and temperature swings while maintaining consistent quality.
Q: What is the pan capacity?
A: It typically holds (2) full-size 12”×20” pans plus (2) third-size pans (up to 6” deep), making it flexible for buffet or service line setups.
Q: Does it use water or steam?
A: No. It is a fully waterless system, eliminating plumbing, steam generation, and scale buildup found in traditional steam tables.
Q: Does it have temperature control?
A: Yes. It uses adjustable thermostatic controls, and in some versions, independent controls allow different temperature settings per well section.
Q: Is it energy efficient?
A: Yes. Its insulated, radiant design reduces energy loss while maintaining stable holding temperatures with minimal fluctuations.
Q: What type of installation does it require?
A: It is a drop-in unit designed to fit into counters, requiring only electrical connection with no plumbing or drainage.
Maintenance Tips
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Daily cleaning: Wipe stainless wells, divider bars, and exterior after cooling to prevent grease buildup and maintain food-safe conditions.
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Waterless operation only: Halo Heat is a dry radiant system—never add water or steam, as no plumbing or humidity is required.
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Remove residue quickly: Since there is no drain, clean spills immediately to avoid staining and hardened buildup in wells.
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Thermostat monitoring: Check temperature settings regularly to ensure consistent holding and avoid over/under heating.
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Divider bar use: Always install divider bars correctly to maintain even heat distribution across pans.
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Seal & edge inspection: Ensure drop-in fit and insulation contact points are tight to prevent heat loss and energy waste.
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Ventilation clearance: Keep surrounding counter space clean and unobstructed for proper heat circulation and performance.
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Avoid harsh chemicals: Use mild detergents only to protect stainless steel and maintain long-term durability.
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Prevent buildup zones: Focus cleaning on corners, edges, and pan rails where grease accumulates fastest.
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Routine servicing: Schedule periodic technician checks for controls and heating elements to ensure reliability and uptime.
Damage 
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