Astra STS1800 20 Inch Countertop Semi-automatic Milk Steamer with Manual Valves

The Astra STS1800 Steamer Semi-automatic with (2) Manual Steam Valves is a commercial-grade milk steamer designed for professional foodservice applications. Built by Astra Manufacturing, this countertop unit features a 4.2-liter boiler, full-size motor, and rotary Procon® pump, delivering consistent steaming performance. Equipped with automatic water fill, vacuum valve, internal power contractor, and brass flare fittings, it ensures reliable operation. Stainless steel base and cover optimize durability and sanitation, while the 110v/50/60/1-ph power configuration and 2000-watt motor support high-volume steaming needs. Its robust construction and precise controls make it suitable for restaurant, café, or bakery environments requiring efficient milk steaming and hot water distribution.

Astra STS1800 Features

The Astra STS1800 milk steamer caters to commercial kitchen workflows with semi-automatic operation, integrating dual manual steam valves and hot water control. Its 4.2-liter boiler ensures ample capacity for high-demand environments, while stainless steel construction enhances longevity. Easy maintenance is supported by internal water fill and removable fittings, ideal for busy cafes and bakery stations. The design facilitates seamless workflow integration for consistent hot milk or water delivery during peak service hours. The unit’s full-size motor and rotary pump provide reliable, continuous performance across multiple brewing shifts.

• Precision control: Dual manual steam valves enable targeted steaming.
• Durable build: Stainless steel and brass fittings resist corrosion and wear.
• User-friendly design: Semi-automatic operation reduces training time and simplifies use.
• High throughput: 4.2-liter boiler supports commercial-scale demand.
• Reliable performance: Full-size motor ensures consistent steam output during busy periods.

Ideal for high-volume cafes and beverage stations requiring quick, consistent milk steaming performance.

STS1800 Technical Specs

The Astra STS1800 steam unit operates on 110 volts with a single-phase power supply, drawing approximately 2000 watts at 20 amps, equipped with a standard NEMA 5-20P plug. Its self-contained, air-cooled system supports continuous operation with a 17-inch height, 20-inch width, and 20.5-inch depth—optimized for countertop placement in professional kitchens. The stainless steel construction ensures durability, while the internal components include an internal water fill mechanism, vacuum valve, and internal power contractor for streamlined maintenance. The unit weighs 70 pounds, designed for stable placement and longevity in commercial settings, with temperature resistance suitable for high-demand steaming applications. Its ETL-sanitation and CSA compliance support safe, consistent performance in busy service environments.

• Electrical requirements: 110V, 50/60Hz, 20 amps, 2000 watts
• Construction & finish: Stainless steel with brass flare fittings
• Dimensions: 20" W x 20.5" D x 17" H
• Weight: 70 lbs
• Cooling method: Air-cooled system for continuous use
• Capacity: 4.2-liter boiler volume supports high-volume steaming
• Food safety and sanitation: Meets ETL sanitation standards with corrosion-resistant materials
• Product features: Semi-automatic operation with manual steam and hot water valves, internal water fill, vacuum valve, and durable stainless steel enclosure

What is a commercial milk steamer frother?

A commercial milk steamer frother is an industrial-grade device designed to generate hot milk or water for beverage preparation in high-volume foodservice venues. This appliance typically features precise temperature and pressure controls, durable construction with stainless steel components, and user-friendly semi-automatic operation. Astra’s Astra STS1800 model with its 4.2-liter boiler, manual steam, and hot water valves, is installed in cafes, bakeries, and restaurants to deliver consistent, quality steaming. It is suitable for busy environments requiring reliable hot milk or water output, supporting efficient beverage service and operational workflows.

Top commercial milk steamer frothers for high-volume foodservice settings

The Astra STS1800 offers robust build quality and reliable performance for medium-demand kitchens, including cafes and bakery stations. Its semi-automatic operation with manual valves optimizes workflow efficiency, while the stainless steel construction ensures durability and sanitation. Designed for countertop installation, this model supports high-throughput steaming and hot water applications, making it ideal for busy foodservice environments requiring consistent beverage preparation. Astra’s Astra STS1800 is selected for its performance and ease of maintenance in commercial kitchen equipment.

• Medium-workload — ideal for moderate throughput environments
• Countertop footprint — fits seamlessly into compact commercial spaces
• Reliable performance — consistent hot milk and water delivery
• Commercial kitchen equipment — optimized for busy beverage stations
• Durable stainless steel design — withstands demanding daily use

Why Choose Astra Astra STS1800?

Compared to other milk steamers, the Astra Astra STS1800 provides a durable stainless steel build, precise semi-automatic operation, and reliable temperature control. Its 4.2-liter capacity and proven performance support efficient high-volume steaming, while internal features facilitate streamlined maintenance. This model’s compact design and high-quality components make it well suited for demanding commercial environments, improving operational efficiency and product consistency.

• Self-contained, air-cooled unit optimized for countertop placement
• Manual valves provide precise control over steam and water flow
• Heavy-duty construction enhances longevity in busy kitchens
• Designed for quick maintenance and straightforward cleaning
• Supports high-demand venues with continuous hot water and milk output