Williams Aztra Hydrocarbon – Single door stainless steel under counter freezer
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The Williams LAZ5UC-HC Aztra is a compact, high-performance undercounter freezer designed for commercial kitchens where space is at a premium. Running on R290 hydrocarbon refrigerant, it delivers reliable freezing across a temperature range of -18°C to -22°C within a 660mm-wide footprint, making it well suited to tight bench runs and prep areas. Built in the UK from 304 stainless steel, it carries a climate class 4 (tropical) rating and a 43°C ambient rating, ensuring consistent performance even in hard-working, high-temperature kitchen environments.
Key Highlights
Product Overview
With 131 litres of usable storage and full 1/1 gastronorm compatibility, the LAZ5UC-HC accommodates standard commercial trays and features adjustable 1/1 GN shelving with anti-tilt tray slides and a removable racking system for flexible organisation. Fan-assisted cooling, automatic defrost, front venting, a self-closing door, and a CoolSmart electronic thermostat with a digital LED display combine to minimise operator intervention and keep running costs low. The unit operates on a standard 10-amp supply and is backed by a 24-month warranty.
Key Benefits
- ✓Front-vented design allows installation in tight undercounter spaces without requiring rear or side clearance
- ✓R290 hydrocarbon refrigerant offers a low global warming potential, supporting sustainability goals without compromising freezing performance
- ✓43°C ambient rating ensures consistent temperature holding even in hot, busy kitchen environments
- ✓CoolSmart electronic thermostat maintains precise temperatures between -18°C and -22°C, protecting frozen stock through heavy service periods
- ✓1/1 gastronorm-compatible interior with anti-tilt tray slides streamlines storage and retrieval of standard commercial trays
- ✓Automatic defrost reduces manual maintenance demands and keeps the unit operating efficiently
- ✓Self-closing door helps maintain cabinet temperature and reduces energy waste during busy service
- ✓Standard 10-amp power connection simplifies installation with no specialist electrical work required
- ✓304 stainless steel construction provides a hygienic, durable finish that withstands the rigours of daily commercial use
Specifications
| Width (mm) | 660 |
| Depth (mm) | 609 |
| Height (mm) | 830 |
| Weight (kg) | 95 |
| Colour | Stainless Steel |
| Gas Type | R290 |
| Material | 304 Stainless Steel |
| Door Type | Solid |
| No. of Shelves | 2 |
| No. of Doors | 1 |
| Country of Origin | UK |
| Warranty (months) | 24 |
| Energy Consumption (kWh/24h) | 5.63 |
| Capacity (Litres) | 131 |
| Temperature Range | -18°C to -22°C |
| Refrigeration Type | Hydrocarbon |
| Defrost Type | Automatic |
| Climate Class | 4 (Tropical) |
| Cooling Type | Fan-assisted |
| Power Rating | 10 amp |
| Temperature Control | CoolSmart Electronic Thermostat |
| Interior Lighting | LED |
| Display Type | Digital LED |
Key Features
- R290 natural hydrocarbon refrigerant with low environmental impact
- Temperature range of -18°C to -22°C
- Climate class 4 (tropical) rating with 43°C ambient operating capability
- CoolSmart electronic thermostat with digital LED display for accurate temperature monitoring
- Fan-assisted cooling for even temperature distribution throughout the cabinet
- Automatic defrost system
- Front-vented cabinet design suitable for undercounter installation in space-restricted areas
- Single solid door with self-closing mechanism
- 1/1 gastronorm-compatible interior
- Adjustable 1/1 GN shelving with anti-tilt tray slides
- Removable racking system for flexible storage configurations
- 2 shelves included
- 131-litre storage capacity
- 304 stainless steel construction throughout
- Dimensions: 660mm wide x 609mm deep x 830mm high
- Weight: 95kg
- 10-amp power supply
- Energy consumption: 5.63 kWh/24h
- Manufactured in the UK
- 24-month warranty
Applications
| Brand |
Williams |
|---|

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