HCPRO HCABB14 Anti-Blowback Swivel Adapter 1/4" to 1/4" Male, 1/2"-20 Female Straight image 1
Straight Anti-Blowback Adapter 1/4" to 1/4" Male
Straight Anti-Blowback Adapter 1/4" to 1/4" Male
HCPRO HCABB14 Anti-Blowback Swivel Adapter 1/4" to 1/4" Male, 1/2"-20 Female Straight image 3
Straight Anti-Blowback Adapter 1/4" to 1/4" Male
Straight Anti-Blowback Adapter 1/4" to 1/4" Male
Straight Anti-Blowback Adapter 1/4" to 1/4" Male
Straight Anti-Blowback Adapter 1/4" to 1/4" Male

Straight Anti-Blowback Adapter 1/4" to 1/4" Male

MPN: HCABB14

22-0094

Short Description

Anti-blowback swivel adapter 1/4" male x 1/4" flare with 1/2"-20 female thread. Secure, leak-free connection for HVAC and mini split servicing.

Sale price$14.25 USDRegular price $16.25 USD
Shipping calculated at checkout.

FREE SHIPPING for orders over $50 (Else $9.50).

Adapter Quantity
Adapter Quantity: Each
In stock, ready to ship
Product Description

The HCPRO HCABB14 Straight Anti-Blowback Adapter (1/4" to 1/4") is a must-have HVAC tool for professionals working on mini split, VRF, and residential AC systems. Built from heavy-duty brass, it features 1/4" SAE male flare connections on both ends and integrates an anti-blowback valve to prevent refrigerant release during hose removal — protecting your system, tools, and technicians.

This straight-line refrigerant fitting is ideal for charging hoses, vacuum pumps, manifold gauge sets, and recovery machines. Compatible with common refrigerants including R410A, R134a, R22, and R32, it supports secure, leak-free connections in both high-pressure and low-pressure HVAC applications.

Whether you're servicing a mini split AC unit, multi-zone VRF system, or traditional HVAC setup, this compact, leak-resistant adapter enhances performance, protects compressors, and ensures refrigerant containment during service work.

  • 1/4" to 1/4" SAE Male Flare – Universal fit for charging hoses, recovery tools, and gauge manifolds
  • Anti-Blowback Function – Minimizes refrigerant loss when disconnecting service hoses
  • Supports R410A, R134a, R22, R32 – Works across residential, light commercial, and VRF systems
  • Straight Inline Design – Best for direct, tight-space connections on mini splits and AC lines
  • Brass Construction – Durable and pressure-rated for professional HVAC applications
  • Protects System Components – Keeps compressors, valves, and service ports safe from backflow and contaminants.
Product Highlights

Why HVAC Techs Use Anti-Blowback Adapters on VRF Systems

1. Prevents Refrigerant Loss During Disconnection

  • VRF systems operate with high system pressure and often use expensive refrigerants (typically R410A).
  • An anti-blowback valve prevents a sudden discharge of refrigerant when disconnecting service hoses, preserving system charge and protecting technicians.

2. Minimizes System Contamination

  • These adapters seal the service line quickly upon disconnection, reducing air or moisture ingress, which is critical for VRF systems due to their sensitivity and long refrigerant piping runs.

3. Protects Compressor and Components

  • Blowback can allow contaminants or moisture into the lines, which can damage electronic expansion valves (EEVs) and inverter compressors commonly found in VRF systems.
  • This adapter helps maintain internal cleanliness.

4. Supports Safe & Precise Servicing

  • VRF systems are complex and often support multiple indoor units. Service mistakes (like losing charge) can cause system-wide issues.
  • These adapters ensure secure, clean, and pressure-controlled service when connecting gauges or recovery systems.
  • 5. Improves Access in Tight Installations
  • Many VRF systems are installed in tight mechanical rooms or rooftops, and the 90-degree design allows for better hose routing without kinking or stressing connections.

6. Required or Recommended by Manufacturers

  • recommend or require anti-blowback fittings to avoid warranty-voiding service mistakes.
Technical Specifications
  • Female End: 1/4″ Industrial Interchange (II) or 1/4″ NPT
  • Male End: 1/4″ NPT with 1/2″-20 UNF collar
Shipping

Fast Shipping on In-Stock Products - Receive Your Order in 1-2 Business Days.

FREE U.S. shipping on orders over $50

Secure and Fast Shop Process

100% Money Back Guarantee

Complimentary shipping & returns

For additional information please see our Shipping Policy.

Pickup available at 13473 NW 19th LN

Usually ready in 2 hours

Pairs well with
Free shipping and returns

Product details

Does HCPRO warranty the products?

Yes, we do. We guarantee that our products are free from defects and are fully compatible with the OEM specifications and applications listed on the product label and data sheet. Please see our detailed product warranty here.

Will HCPRO products keep my factory warranty?

Yes, they will. We guarantee that our products are fully compatible with the OEM specifications and applications listed on the product label and data sheet.

Under US law, the OEM cannot void the warranty for using an aftermarket product or require you to use their product to maintain factory warranty. This aspect of warranty law is covered by the Magnuson-Moss Warranty Act of 1975. If you have any issues with a service center or OEM dealership trying to force you to use their products, please contact us.

FAQs

Please read our FAQs page to find out more.

How do I get free shipping?

Parcel Packages: Free shipping on orders of $50 or more.

Palletized Shipments: Free shipping is available for qualifying palletized orders. Further information is available on our Shipping Policy Page.

How do I return an item?

We offer free returns for wrong or defective items within 30 days of purchase. Simply contact our support team to initiate a return if its not possible to do it through your account and order history page.

We will email you a free shipping label for UPS or Fedex once your return is approved.

How do I track my order?

Parcel Package Orders: The tracking information is available in your order history.

Palletized Orders: You will receive an email with a copy of the BOL. Please contact your account representative or message us for further information.

Tax Exempt Orders

Sales tax is automatically charged for orders within the state of Texas.

If your business qualifies for tax exemption, download and fill out tax exemption certificate here and email it to accounting@hcproproducts.com.

You will be contacted afterwards to set up an account.

What should I do for issues with Amazon fulfilled orders?

If you have any problems with an order that Amazon fulfilled, please contact them first. They are responsible for handling all refunds, replacements, or other issues. If Amazon does not resolve the issue, please message us and provide your Amazon order number.

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