Part of this kit — included in the price above.

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

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

ACiQ| SKU: LS38343830 Out of Stock

$426.00$477.7811% off

Payment plans

From $35.50/mo with shop Pay View sample plans

$11.83/mo with Paytomorrow Learn More

SAVE NOW:

Currently unavailable

Size
Optional accessories

Add common accessories before checkout.

Add coverage
Add coverage

Choose optional coverage for your order.

Protection plan

Use your system worry-free for years to come

  • Comprehensive coverage for mechanical and electrical breakdowns, including power surges
  • Repairs covered 100% for the extended term — labor included, not just parts
  • Coverage for normal wear and tear that affects how the product works
  • Replacement or reimbursement if we can’t repair it
  • $0 deductibles, ever
  • Cancel anytime on a pro-rata basis
  • US-based support and quick claims filing
2-year protection · $149Add two years of optional service contract coverage. 5-year protection · $299Add five years of optional service contract coverage.

Coverage begins after the manufacturer warranty applies, and runs alongside it for items the factory doesn’t cover. Select a plan above the Add to Cart button to include it with your order.

Backed by Chill Mini Splits · (888) 231-8920Detailed terms and conditions

Want it when it’s back?

Leave your email and we’ll let you know the moment it’s restocked.

Product overview

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.

In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.

Ask AI

Ask AI about this product

Ask our AI product assistant about sizing, compatibility, electrical needs, accessories, shipping, warranty, and install planning.

At a glance

Tech specs

Mount typeDucted
BrandACiQ

Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.