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Alto-Shaam

Alto-Shaam Halo Heat Steam Tables & Food Wells - 400-HW/D6

Alto-Shaam Halo Heat Steam Tables & Food Wells - 400-HW/D6

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Alto-Shaam  Halo Heat Steam Tables & Food Wells - 400-HW/D6

4-Pan • 6-3/8" Deep • Waterless, Electric

Replace high-maintenance steam tables with the industry’s original waterless solution. The Alto-Shaam Halo Heat 400-HW/D6 surrounds food with gentle, even radiant heat—keeping every portion hot, fresh and picture-perfect, while slashing energy and plumbing costs.

Features                    
  • Waterless design means no drains, no lime scale, no steam-related burns.
  • Patented Halo Heat technology delivers consistent temperatures without fans or harsh elements.
  • 4-well layout holds (4) full-size 12" × 20" pans—or (8) half-size / (12) third-size pans—up to 6" deep (pans not included).
  • Adjustable, flush-mount thermostat lets you fine-tune each menu item’s ideal holding temp.
  • EcoSmart engineering reduces energy consumption and operating costs.
  • Durable all-stainless construction wipes clean and looks great in any service line.
  • Low-profile drop-in installation creates a seamless, customer-facing presentation.
Specifications
Model 400-HW/D6
Pan capacity (4) full-size 12" × 20" • (8) half-size • (12) third-size
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 dimensions 6-3/8" H × 50-15/16" W × 20-3/16" D (162 mm × 1294 mm × 512 mm)
Net weight 79 lb (36 kg)
Electrical 120 V, 1-ph, 20 A, 2.4 kW (NEMA L5-30P)
208 V, 1-ph, 8.7 A, 1.8 kW (NEMA 6-15P)
240 V, 1-ph, 10 A, 2.4 kW
Construction 304 stainless steel well & flange
What our Experts Think
  • Gold-standard hot holding performance
    The 400-HW/D6 is widely recognized in professional kitchens for its Halo Heat radiant system, which maintains safe serving temperatures without drying food or creating hot spots.
  • Waterless design = lower operating complexity
    Experts highlight the elimination of water, steam, and plumbing, reducing maintenance, scaling issues, and installation costs compared to traditional steam tables.
  • Consistent quality across long service periods
    The gentle, even heat surround helps preserve texture, moisture, and flavor stability, making it ideal for buffets, catering lines, and high-turnover service stations.
  • Independent temperature control flexibility
    Each well can be controlled separately, allowing operators to hold different menu items at precise temperatures simultaneously—a key advantage in mixed-service environments.
  • Energy-efficient commercial engineering
    Built under EcoSmart design principles, it helps reduce energy consumption while maintaining reliable performance during peak kitchen demand.
  • Operator-friendly installation & workflow gains
    Drop-in format with no drainage requirements simplifies kitchen layout planning and frees up undercounter space for storage or equipment integration.
  • Durability built for heavy-duty kitchens
    Stainless steel construction and commercial-grade components make it a long-term solution for restaurants, hotels, and institutional foodservice operations requiring nonstop reliability.

Q&A

Q: What is the Alto-Shaam 400-HW/D6 used for?
A: It is a drop-in, waterless Halo Heat hot food well designed to hold multiple hot foods at safe, consistent serving temperatures in buffets, cafeterias, and commercial kitchens.

Q: How does Halo Heat improve food quality?
A: It uses gentle radiant heat instead of steam or fans, keeping food warm evenly while preserving moisture, texture, and appearance without drying it out.

Q: Does it require water, plumbing, or drains?
A: No. The 400-HW/D6 is fully waterless, meaning no plumbing, no steam generation, and lower installation and maintenance costs.

Q: How many food pans does it hold?
A: It holds 4 full-size 12" × 20" pans (up to 6" deep) with flexible divider bar configurations for smaller pans.

Q: What type of control system does it have?
A: It features adjustable thermostatic controls (individual control per well in some configurations) for precise temperature management.

Q: What are its main benefits over traditional steam tables?
A: It offers better food quality retention, lower energy use, no steam burns, and no lime scale buildup, making it more efficient and safer than conventional steam tables.

Q: What kitchens is it best suited for?
A: Ideal for buffets, hotels, catering lines, cafeterias, and high-volume foodservice operations needing reliable hot holding with consistent presentation.


Maintenance Tips
  • Clean stainless-steel wells daily with mild detergent; avoid abrasives to protect finish and heat performance.
  • Wipe dry after service to prevent moisture buildup, stains, and bacteria growth.
  • Remove food debris promptly to maintain even Halo Heat distribution and food quality.
  • Descale regularly (as needed) to avoid mineral deposits and maintain efficient operation in waterless systems.
  • Inspect thermostats, wiring, and control panels for accurate temperature holding.
  • Check divider bars and pan supports for alignment and wear to ensure consistent heating across wells.
  • Keep ventilation openings and surrounding counter cutouts free from grease and dust buildup.
  • Avoid chlorine, ammonia, or harsh acidic cleaners that can damage stainless steel surfaces.
  • Schedule preventive maintenance to ensure long-term reliability, safety, and energy efficiency.