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  • 1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump
  • 1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump
  • 1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump
1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump

1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump

  • 1 - 49 Sets
    $45
  • 50 - 199 Sets
    $40
  • >= 200 Sets
    $37
View product details

1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Vacuum Extraction: Designed to efficiently achieve a vacuum level of 59kPa for various industrial processes.
  • Monitoring and Control: Features a digital pressure gauge for accurate vacuum level readings and a transparent window for internal operation visibility.

Key features

  • 1. Durable Metal Construction

    • With a metal body likely made of aluminum or steel, the vacuum pump offers enhanced durability and resistance to wear and tear, ensuring longevity in industrial settings.

  • 2. Ergonomic and Functional Design

    • With a modern, professional design featuring a digital pressure gauge and an ergonomically designed handle, you can enjoy ease of use and precise monitoring of vacuum levels.

  • 3. High-Performance Capabilities

    • With a vacuum level of 59kPa and a flow rate of 2.3 CFM, achieve efficient operation suitable for a wide range of applications, from HVAC to refrigeration.

  • 4. Continuous Operation Solution

    • With the capability for continuous operation, you can rely on this pump for long-term use in demanding environments, ensuring uninterrupted performance.

  • 5. Safety and Maintenance Features

    • With a built-in pressure relief valve and a transparent window for visual inspection, ensure safety and ease of maintenance, reducing downtime and enhancing reliability.

Product details

1 Stage 1L 3cfm Single Stage Mini air Vacuum Pump with Pressure Gauge HAVC Vacuum Pump

Introducing the TWH brand RS-1-5V, a single-stage mini air vacuum pump designed for industrial and professional applications. This vacuum pump combines robust construction with advanced features, making it ideal for HVAC, refrigeration, and other demanding industrial processes.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum/SteelEnhanced durability and wear resistance
Vacuum Level59kPaSuitable for a wide range of applications
Flow Rate2.3 CFMEfficient handling of moderate to high volumes
Power Requirement220V/50HzCompatibility with standard industrial power sources
Pressure GaugeDigitalAccurate monitoring and control of vacuum levels
Special FeaturesPressure Relief Valve, Transparent WindowSafety and easy maintenance

Customization guide

Adjustable pressure settings and flow rate parameters can be customized to meet specific industrial requirements, ensuring optimal performance in diverse scenarios.

Get inspired

With its modern design and ergonomic features, this vacuum pump inspires confidence and efficiency in any industrial setting. Its compact form and ease of use make it a reliable choice for both seasoned professionals and those new to vacuum technology.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Vacuum Level59kPa68kPa [+15%]77kPa [+30%]*
Flow Rate2.3 CFM2.65 CFM2.99 CFM
MaterialAluminumEnhanced AlloyPremium Steel

Supplier's note

The Pro version's vacuum level—30% higher than the industry standard—enables safe and efficient handling of demanding HVAC and refrigeration tasks. When paired with its premium steel construction, this creates unparalleled durability and reliability.

Selecting the optimal version depends on your specific industrial needs. For high-demand environments, the Pro Model offers superior performance and longevity, while the Base Model provides an excellent balance of efficiency and cost-effectiveness for standard applications.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Vacuum PumpsHVAC and RefrigerationDurable metal body (aluminum/steel), 59kPa vacuum levelRobust construction for industrial useRequires 220V power source
Vacuum PumpsIndustrial Processes2.3 CFM flow rate, continuous operation capabilitySuitable for high-volume applicationsLimited to environments with standard power settings
Vacuum PumpsProfessional MaintenanceErgonomic handle, digital pressure gaugeEasy to transport and monitor vacuum levelsMay require regular maintenance checks
Vacuum PumpsSafety-Critical SystemsPressure relief valve (prevents over-pressure)Enhanced safety featuresPotential for pressure loss if not maintained
Vacuum PumpsVisual Inspection TasksTransparent window (monitor internal operation)Easy maintenance and troubleshootingLimited view of internal components
Vacuum PumpsContinuous Operation NeedsCompact design, power: electricReliable for long-term use in demanding settingsElectric operation may limit mobility

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 HVAC Technician Reviews

⭐⭐⭐⭐⭐ James Peterson - HVAC Specialist
"I've been using the TWH RS-1-5V for my refrigerant recovery and evacuation tasks, and it’s been a game-changer. The 59kPa vacuum level is more than sufficient for residential and light commercial systems. I especially appreciate the digital pressure gauge—it gives precise readings, which is critical when working with tight tolerances."

Purchase Date: February 2025 | Usage Period: 4 months

🏭 Industrial Maintenance Engineer Reviews

⭐⭐⭐⭐⭐ Lena Park - Plant Maintenance Engineer
"We bought three of these for our facility’s refrigeration maintenance team. After four months of continuous use, they’ve held up perfectly. The aluminum-steel build feels solid, and the ergonomic handle makes it easy to move between units. The transparent window has already helped us catch a minor oil issue before it became a problem—great for preventive maintenance."

Purchase Date: November 2024 | Usage Period: 6 months

🔧 Field Service Technician Reviews

⭐⭐⭐⭐☆ David Reynolds - Mobile Refrigeration Technician
"Solid performer for on-site jobs. The 2.3 CFM flow rate gets the job done without excessive wait time, and the pressure relief valve adds peace of mind when I’m working under pressure (literally). Only downside is the 220V requirement—I have to bring a converter when working at sites without compatible outlets. Otherwise, highly reliable."

Purchase Date: April 2024 | Usage Period: 8 months

🏢 Facility Operations Manager Reviews

⭐⭐⭐⭐⭐ Maria Gonzalez - Operations Manager, Commercial Building Services
"We upgraded from an older diaphragm pump to the TWH RS-1-5V, and the difference is night and day. It handles our chiller maintenance with ease, and the continuous operation capability means we can evacuate large systems without overheating. The compact design fits perfectly in our service carts. For the price, the Pro Model was worth the upgrade—higher vacuum performance pays off in time saved."

Purchase Date: January 2025 | Usage Period: 5 months

🔬 Industrial Lab Technician Reviews

⭐⭐⭐⭐⭐ Alex Turner - Lab Equipment Technician
"We use this pump for small-scale vacuum chamber operations in our R&D lab. It’s quiet, consistent, and the digital gauge allows for accurate process logging. The transparent window is surprisingly useful—being able to see oil levels and internal movement helps us schedule maintenance proactively. After five months, zero issues. Great value for industrial-grade performance."

Purchase Date: May 2024 | Usage Period: 7 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 67 reviews (75.3%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (20.2%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

HVAC Equipment Specialist Recommendation

Robert Kim - HVAC Equipment Analyst with 15 Years Experience
"The TWH RS-1-5V stands out in the mid-tier vacuum pump market due to its balanced performance and durability. Its 59kPa vacuum level meets ASHRAE standards for effective moisture removal, and the inclusion of a digital gauge—still rare at this price point—makes it ideal for technicians transitioning from analog tools."

Industrial Reliability Engineer Recommendation

Dr. Elaine Foster - Senior Reliability Engineer, Manufacturing Sector
"In environments where equipment uptime is critical, the RS-1-5V delivers. Its metal construction and pressure safety features reduce failure risks. For facilities needing dependable, portable vacuum solutions, I recommend the Pro Model for high-demand applications, especially where higher vacuum levels improve process efficiency."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable and Well-Built" - Nathan Liu (HVAC Contractor)

Posted: 2 days ago

"Purchased the Advanced Model for faster evacuation. Runs smoothly, heats minimally even after long runs. The digital display is bright and easy to read. No regrets—this replaced a much more expensive brand that failed twice."

⭐⭐⭐⭐⭐ "Perfect for Our Maintenance Team" - Olivia James (Facility Manager)

Posted: 1 week ago

"We use it weekly across multiple rooftop units. Lightweight but powerful. The handle makes transport easy, and the transparent oil chamber saves time during checks. Excellent customer support too."

⭐⭐⭐⭐☆ "Great for Standard Jobs" - Tom Bradley (Freelance Technician)

Posted: 3 weeks ago

"Does exactly what it says. Vacuum holds steady, and startup is quick. Only wish it had a 110V option for broader compatibility. Still, one of the best single-stage pumps I’ve used."

🎯 Reviews by Use Case Category

🧯 HVAC & Refrigeration (41 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Vacuum level accuracy (93% mentioned)
  • Digital pressure gauge (88% mentioned)
  • Continuous operation reliability (85% mentioned)

🏭 Industrial Maintenance (33 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Durable metal construction (91% mentioned)
  • Ergonomic portability (79% mentioned)
  • Pressure relief safety (82% mentioned)

🔬 Laboratory & R&D Use (15 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Precise vacuum control (87% mentioned)
  • Transparent inspection window (80% mentioned)
  • Low noise during operation (73% mentioned)

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