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ACIQ 30ft or 50ft Refrigerant Line Set – 3/8" LL x 3/4" SL with 3/4" Insulation | Pre-Insulated Copper for Split HVAC & Heat Pump Systems

SKU LS38343830 Accessories
$326.00
In StockShips in 1-2 business days

Brand Information

ACIQ
Support Number
1-877-909-ACiQ
Official Site
ACIQ Official Site
Product Overview Full product description Read the longer product copy, features, and application notes.

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Premium Refrigerant Line Set for Heat Pumps & Split Systems

This high-quality insulated copper line set is designed to connect an outdoor condensing unit or heat pump to an indoor air handler or evaporator coil. With a 3/8" liquid line and 3/4" suction line, this line set ensures smooth refrigerant flow and high thermal efficiency—ideal for larger HVAC installations requiring longer connection distances.

Available Options:

  • 30 Feet – SKU: LS38343830 | Weight: 35 lbs
  • 50 Feet – SKU: LS38343850 | Weight: 22 lbs

Key Features:

  • 3/8" O.D. liquid line (LL)
  • 3/4" O.D. suction line (SL)
  • 3/4" thick insulation for enhanced thermal protection
  • Heavy-duty copper construction, pre-flared ends
  • Pre-insulated for reduced condensation and energy loss
  • Flexible and durable for easy installation in residential and commercial systems

Application: Compatible with standard split HVAC systems and high-efficiency heat pumps. Always confirm sizing with your equipment specs before ordering.

Warranty Information:

This line set is backed by standard manufacturer warranty coverage. Please contact our support team if you need help with system compatibility or installation advice.

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Technical Data

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Product FAQs

Product FAQs

Helpful answers matched to this product, brand, specs, and configuration.
What types of products does ACiQ offer?

ACiQ offers a broad range of heating, cooling, ventilation, thermostat, and water-heating products. Its catalog includes mini splits, central air conditioners and heat pumps, furnaces, air handlers, PTAC systems, mobile-home HVAC equipment, commercial systems, thermostats, ventilation products, and hybrid water heaters. Availability and specifications vary by model.

How can I contact ACiQ technical support or customer service?

ACiQ provides support through its official contact form and by phone at 1-877-909-ACiQ. The published support hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. Have the model number, serial number, and a clear description of the question or problem ready.

What information is needed to register an ACiQ product?

ACiQ’s registration form requests the part number, serial number, purchase date, installation date, customer contact and address information, and installer details, including the installer name, license number, and phone number or other identifying information.

How can I request a replacement part for an ACiQ product?

Submit a request through the official ACiQ Parts Quote form or contact ACiQ parts support. Include the SKU or model number and a clear description of the part needed so the parts team can identify the correct component.

Where can I find manuals and technical documents for an ACiQ product?

Use the official ACiQ Tech Center and select the appropriate product category. ACiQ organizes installation manuals, owner manuals, specification sheets, wiring diagrams, troubleshooting guides, warranty documents, and other technical resources by product family and model.

How do I start an ACiQ warranty claim?

Start with ACiQ’s official warranty claim form. Be prepared to provide the owner’s contact information, the equipment model number, a description of the issue, and any supporting files requested. Additional diagnosis and equipment documentation may be required before the claim is approved.

What diagnosis is required for an ACiQ warranty issue?

ACiQ states that a factory-authorized, EPA-certified contractor must diagnose the equipment. The submission should include the diagnostic procedure, the required part number or part description, and the model and serial numbers. ACiQ may also request the original installation invoice.

Does an ACiQ warranty claim cover labor and shipping costs?

ACiQ’s published warranty-resolution process states that round-trip shipping and labor associated with diagnosis and part replacement are not reimbursed. Coverage can vary by product and jurisdiction, so review the exact warranty certificate for the equipment before proceeding.

How do I register an ACiQ product for warranty coverage?

Register the equipment through ACiQ’s official online warranty registration form. Add each unit being registered and submit the requested equipment, customer, purchase, installation, and installer information. Keep a copy of the completed registration and related purchase and installation records.

How can I check an ACiQ warranty registration or coverage status?

Use ACiQ’s Warranty Finder to look up a registration, check its status, or provide missing information. Have the equipment and owner details available so the record can be matched accurately.

Does every ACiQ product have the same warranty coverage?

No. ACiQ warranty periods and conditions vary by product type and model. Review the warranty certificate listed for the exact equipment and use ACiQ’s warranty resources to confirm the applicable parts, compressor, replacement, registration, and eligibility terms.

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