Alto-Shaam Prodigi Classic Combi Ovens - 7-20G CLASSIC
Boiler-free, countertop powerhouse with 7-pan capacity | Model #: 7-20G
Replace multiple pieces of equipment with one rugged, right-hinged combi oven that steams, roasts, bakes, braises and more—while slashing water, energy and labor costs. The Prodigi Classic 7-20 delivers Alto-Shaam’s proven performance in a compact, boilerless design perfect for demanding commercial kitchens.
Features
- Boilerless steam generation for lower maintenance and up to 30 % water savings.
- Absolute Humidity Control lets you dial in any humidity level from 0 – 100 % to maximize yield and texture.
- Three cooking modes—steam, convection, combination—with a wide 85 °F – 550 °F temperature range.
- 7 inch full-color touchscreen stores recipes and offers quick USB upload/download.
- SafeVent automatic steam venting plus high-efficiency LED cavity lighting for safer, clearer operation.
- Five fully automated, tablet-based cleaning cycles; front-accessible retractable rinse hose included.
- Zero-clearance sides for tight installs; stainless steel construction with adjustable stainless legs.
Capacity at a glance
- 7 full-size sheet pans 18" × 26"
- 16 full-size hotel pans / GN 1/1 (two rows deep)
- 14 half-size sheet pans
- Maximum product load: 168 lb (76 kg) | 105 qt (133 L)
- Includes 4 wire shelves & 2 side racks with 8 non-tilt support rails
Specifications
| Fuel / Heat Source |
Natural gas or propane, 85,000 BTU/h input |
| Cooking Modes |
Steam, Convection, Combination |
| Temperature Range |
85 °F – 550 °F (30 °C – 302 °C) |
| Exterior Dimensions (H × W × D) |
37-11/16" × 43-3/4" × 44-13/16" (958 × 1111 × 1138 mm) |
| Interior Dimensions (H × W × D) |
23-1/4" × 24-1/4" × 32-3/4" (591 × 616 × 832 mm) |
| Net Weight |
522 lb (237 kg) |
| Electrical (controls) |
120 V / 1 ph / 6.8 A (208–240 V 3 ph optional) |
| Water Connections |
(2) × ¾" NPT cold water inlets (treated & untreated) |
| Drain |
1-1/2" (40 mm) gravity drain with vertical vent |
| Gas Connection |
¾" NPT |
What our Experts Think
Q&A
Maintenance Tips
- Run daily automatic self-clean cycle (light–heavy as needed) to prevent grease and food buildup
- Use only approved combi oven cleaning tablets/chemicals to protect steam and sensor systems
- Perform regular descaling (especially in hard-water areas) to prevent mineral buildup in steam components
- Wipe door gasket and interior seals daily to maintain airtight sealing and energy efficiency
- Clean fan wheel and cavity interior regularly to ensure proper airflow and even cooking performance
- Flush and inspect drain system frequently to prevent clogging and standing water issues
- Keep core probe and sensor ports clean for accurate temperature control and consistent results
- Maintain or replace water filtration system on schedule to reduce scale and extend equipment life
- Inspect door hinges, latches, and locking mechanism for wear and proper sealing pressure
- Schedule annual professional preventive maintenance for calibration, steam system checks, and electrical inspection
Damage 
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