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Item #:
256036381
Single Stage 3.5 CFM Vacuum Pump for HVAC Automotive AC 1/4 HP 4-Pole Motor Compatible with R134a R22 R410a Refrigerants
Item #:
256036381
WST 281
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This high-performance single-stage rotary vane vacuum pump is engineered for reliability and efficiency in demanding applications.
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What Stands Out
High Efficiency
Equipped with a powerful 1/4 HP 4-pole motor, this vacuum pump delivers a rapid 3.5 CFM flow rate, ensuring quick and efficient evacuation for HVAC and automotive applications.
Versatile Compatibility
Compatible with multiple refrigerants, including R134a, R22, and R410a, this pump accommodates various HVAC systems, making it an ideal choice for technicians handling a range of refrigerant types.
Durable Construction
Built with robust materials for long-lasting performance, this vacuum pump is designed for rigorous use in automotive and HVAC environments, providing reliability and value for both professionals and DIY enthusiasts.
Product Details
| Brand | NOBRAND |
| Dimensions | 14.57 x 7.09 x 11.82 in (37 x 18 x 30 cm) |
| Weight | 11.8 lb (5.35 kg) |
| Has written warranty | No |
Who Should Buy?
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HVAC Professionals
Ideal for HVAC technicians needing a reliable vacuum pump for refrigerant evacuation and AC system maintenance.
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Automotive Mechanics
Perfect for automotive mechanics who require efficient refrigerant recovery for AC repair and service tasks.
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DIY Enthusiasts
Great for DIY users working on home projects or personal vehicles involving HVAC refrigerants like R134a or R410a.
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Heavy Industrial Use
Not suitable for heavy-duty industrial applications requiring higher CFM ratings or multiple simultaneous vacuum tasks.
Product Description
Single Stage 3.5 CFM Vacuum Pump for HVAC Automotive AC 1/4 HP 4-Pole Motor Compatible with R134a R22 R410a Refrigerants
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Customer Questions & Answers
-
Question:
What type of systems is the vacuum pump compatible with?
Answer: It is compatible with R22, R134a, and R410a systems. -
Question:
What is the size of the pump?
Answer: The dimensions of the pump are 14.57*7.09*11.82 inches. -
Question:
Does the pump come with oil?
Answer: Yes, it includes one bottle of 0.21 qt. (200 ml) vacuum oil.
NOBRAND Editorial Review
The Single Stage 3.5 CFM Vacuum Pump for HVAC is designed for automotive AC applications and is powered by a 1/4 HP 4-pole motor. It is compatible with various refrigerants including R134a, R22, and R410a. Notably, this pump has compact dimensions of 14.57 x 7.09 x 11.82 inches, making it easy to store and transport, weighing just 11.8 lbs. Users appreciate its performance and efficiency in vacuuming refrigerants, making it a reliable tool for HVAC tasks. However, it’s essential to note that this vacuum pump does not come with a written warranty, which may be a consideration for some buyers.
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Pros
- Lightweight and portable design
- Efficient 3.5 CFM vacuum performance
- Compatible with various refrigerants
- Compact size for easier storage
- Durable 4-pole motor
Cons
- No written warranty included
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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WST 281
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High-performance single-stage rotary vane vacuum pump.
- Powered by a robust 1/4 HP, 4-pole high-torque motor.
- Delivers a powerful 3.5 CFM flow rate and achieves an ultimate vacuum of 5 Pa.
- Durable cast-iron and die-cast aluminum housing for longevity.
- Equipped with both 1/4-inch SAE and 1/2-inch ACME air inlet ports for versatile connectivity.
- Includes oil and features a transparent oil window for easy monitoring.
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