Mini-split line sets, made simple.
Copper line sets, covers, and brackets — pre-flared, pre-insulated, and ready to install. Find the right parts in seconds.
Shop by size
Know your spec? Go straight to it — every set comes in 16 ft and 25 ft.
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Everything between your indoor and outdoor unit.
Line Sets
Pre-insulated, pre-flared copper line sets — ready out of the box.
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Line Set Covers
Paintable cover kits that hide and weatherproof the lines outside.
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Mounting Brackets
Wall brackets, stands, and anti-vibration pads to hold the condenser level.
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Electrical
Disconnect boxes and pre-made whips — the code-required power run at the condenser.
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Every part we carry, on one page. In-stock and made-to-order items ship in 1–5 business days.

1/4″ × 3/8″ line set
9k–12k BTU · 16 ft or 25 ft · pre-flared, insulated

1/4″ × 1/2″ line set
12k–18k BTU · 16 ft or 25 ft · pre-flared, insulated

25 ft line sets
The most common run length, in every diameter

4″ line set cover kit
Straight duct, wall cover, bend, connectors, flex duct

Condenser wall bracket
Up to 1.5 ton · galvanized steel · 400 lb rated

Condenser ground stand
Lifts the unit 12–18 in. above grade · 450 lb rated

3/8″ × 5/8″ line set
24k–36k BTU · 16 ft or 25 ft · pre-flared, insulated

50 ft line sets
Long runs, in every diameter

Disconnect box
60A non-fused, NEMA 3R, at the condenser

Electrical whip
1/2 in. × 6 ft, pre-wired disconnect to condenser

Condensate pump
Automatic drainage for heads without a gravity drain

Condenser pad
Level, settle-resistant base for ground mounts

Wall sleeve
Lines and seals the line set wall penetration

Line set insulation
Closed-cell foam sleeve, replacement or add-on
Find your size by brand
Factory line-set specs for every major mini-split brand — the right diameters, length limits, and the matching set.
Sizes shown are each brand's typical smallest wall unit — every page lists the full capacity table. Don't see your brand? Start from the full size chart or the size calculator — sizing follows capacity more than badge.
What size line set do I need?
Answer a couple of questions about your mini-split and run length, and we'll tell you the exact line set to buy.
Open the size calculatorOr find it by your brand · browse the full size chart
Popular brands: Mitsubishi · Daikin · Pioneer · Fujitsu