Alto-Shaam Halo Heat Steam Tables & Food Wells - 400-HWLF/D6
6-3/8" deep drop-in wells | independent thermostats | EcoSmart electric holding
Keep buffet and service lines fresh, appetizing and safe without the hassle of steam tables. The Alto-Shaam 400-HWILF/D6 uses patented Halo Heat technology to surround each pan with gentle, even heat—extending hold times and eliminating the water, plumbing and lime-scale headaches of conventional wells.
Features
- Waterless operation – no drains, plumbing or costly water treatment required.
- Radiant Halo Heat gently blankets food, protecting texture, color and moisture.
- EcoSmart design reduces energy use and heat-of-rejection for a cooler workspace.
- Independent thermostats (2) let you group foods by temperature for maximum versatility.
- Large flange simplifies drop-in installation and gives a clean, finished counter look.
- Stainless steel interior & exterior stand up to daily commercial abuse and wipe clean fast.
Flexible Pan Configurations
- 4 × full-size 12" × 20" pans (pans not included)
- 8 × half-size 12" × 10" pans
- 12 × third-size 12" × 63⁄4" pans
- Includes eight (8) half/third-size divider bars for easy re-configuration
Specifications
| Model |
400-HWILF/D6 (large-flange, independent control, 6-3/8" deep) |
| Well Depth |
6-3/8" (162 mm) – accommodates standard 6" deep pans |
| Controls |
(2) flush-mount, adjustable thermostatic dials (one pair of wells per control) |
| Temperature Range |
Precisely adjustable holding temperatures up to 200 °F (93 °C) |
| Exterior Dimensions |
9-5/16" H × 57-5/16" W × 27-1/16" D (225 mm × 1455 mm × 686 mm) |
| Counter Cut-Out (non-combustible) |
52-15/16" L × 22-1/8" W (1345 mm × 562 mm) |
| Construction |
All-stainless, drop-in body with large decorative flange |
| Electrical |
120 V / 1 ph / 2.4 kW / 20 A – NEMA L5-30P
208 V / 1 ph / 1.8 kW / 8.7 A – NEMA 6-15P
240 V / 1 ph / 2.4 kW / 10 A – NEMA 6-15P
230 V / 1 ph / 2.4 kW / 10.4 A – CEE 7/7 (EU), CH2-16P (CH), BS 1363 (UK) |
| Ingress Rating |
IPX3 – protected against water spray |
What our Experts Think
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High-capacity professional holding system: The 400-HWLF/D6 is a large-format drop-in Halo Heat food well built for continuous buffet, catering, and institutional service environments.
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Halo Heat precision performance: Waterless radiant heating ensures even temperature distribution without steam, fans, or hot spots, preserving food moisture and texture during long holding periods.
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Large 4-pan capacity: Designed to accommodate up to four full-size 12"×20" pans, supporting high-output service lines with consistent flow.
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Dual-zone flexibility: Independent thermostatic controls allow operators to set different holding temperatures within the same unit, improving menu versatility.
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Waterless, no-plumbing design: Eliminates steam, drains, and water supply requirements, reducing installation cost and removing scale/maintenance issues.
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Energy-efficient EcoSmart operation: Insulated stainless steel construction helps reduce heat loss and supports lower operating costs in continuous use.
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Heavy-duty commercial build: Stainless steel body ensures durability, hygiene, and long service life in demanding foodservice environments.
Q&A
Q: What is the Alto-Shaam 400-HWLF/D6?
A: The 400-HWLF/D6 is a commercial drop-in hot food well featuring Halo Heat® technology with a large flange (LF) design for a flush, clean countertop installation and high-capacity hot food holding.
Q: What does “HWLF/D6” mean?
A: “HW” stands for hot well, “LF” means large flange for seamless installation, and “D6” refers to a 6.3-inch deep well designed for standard full-size 12"×20" pans.
Q: How many pans does it hold?
A: It holds up to (4) full-size 12"×20" pans (6" deep), with divider bars allowing flexible pan configurations for different menu items.
Q: What is Halo Heat technology?
A: Halo Heat uses gentle, even radiant heat that surrounds food without steam, water, or fans—helping maintain moisture, texture, and safe serving temperatures without drying.
Q: Does it use water or steam?
A: No. It is a fully waterless system, eliminating plumbing, drains, and steam-related maintenance like scale buildup.
Q: What are the key benefits?
A: It improves food consistency, reduces labor and maintenance, enhances safety (no hot water/steam), and delivers stable holding temperatures for long service periods.
Q: How is temperature controlled?
A: It features independent thermostatic controls, allowing operators to set precise holding temperatures for different food zones.
Maintenance Tips
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Daily cleaning: Wipe stainless steel wells, flange, and exterior after cooling to remove grease and food residue for hygienic operation.
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Waterless operation only: Halo Heat is a dry radiant system—no water, steam, or plumbing required, reducing scale and maintenance needs.
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Immediate spill cleanup: Since there is no drain, clean spills quickly to prevent staining, odor, and hardened buildup.
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Thermostat monitoring: Check temperature controls regularly to ensure consistent holding performance across all wells.
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Use divider bars correctly: Install pan dividers properly to maintain even heat distribution and flexible pan configurations.
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Keep ventilation clear: Ensure surrounding counter space is free from grease and dust for stable radiant heat performance.
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Avoid harsh chemicals: Use mild detergents only to protect stainless steel and extend equipment life.
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Electrical inspection: Regularly check cords, plugs, and controls for safe, uninterrupted operation.
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Prevent buildup zones: Focus cleaning on corners, edges, and pan rails where residue accumulates fastest.
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Routine servicing: Schedule preventive maintenance to ensure long-term heating accuracy and reliability.
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