Type A Insulated Line Set, 3/8″ Liquid x Multiple Suction Sizes, 1/2″ PE Foam, Black/White Jacket

Overview

The IDP HVAC Type A Insulated Line Set is a pre-insulated copper tubing assembly for mini-split AC and heat pump systems. It features a fixed 3/8″ liquid line paired with your choice of suction line size (3/4″, 5/8″, or 7/8″), 1/2″ closed-cell PE foam insulation, and a durable Black or White outer jacket. Ships without flared nuts — field-flare to your unit’s requirements.

Key Features

• 3/8″ liquid line, multiple suction sizes (3/4″ / 5/8″ / 7/8″)
• 1/2″ closed-cell PE foam insulation, UV & moisture resistant
• Annealed copper tubing, clean ends ready to flare
• Black or White PVC jacket to match installation aesthetics
• Lengths: 25ft / 30ft / 50ft
• Without flared nuts (nuts & ferrules sold separately)

Specifications

Model Number Decoding

Example A383412025WH: A = Type A · 38 = 3/8″ liquid · 34 = 3/4″ suction · 12 = 1/2″ insulation · 025 = 25ft · WH = White.

Compatible With

Mini-split and ductless heat pump systems 9k–36k BTU. Match the suction line size and total length to your outdoor unit nameplate and line-set capacity chart.

Installation Notes

• Without flared nuts — flare ends on-site with a proper flaring tool; follow torque specs.
• Inspect insulation jacket for damage before installation; repair any tears.
• Custom-cut or opened line sets are non-returnable per our Terms.
• Verify required length before ordering — 25 / 30 / 50ft options available.

FAQ

Q: Does this include flared nuts?
A: No. This is the standard plain-end version; nuts and ferrules are sold separately.

Q: Black or White jacket — does it affect performance?
A: No, both use the same 1/2″ PE insulation; the jacket color is for aesthetics / UV preference.

Q: Can I cut it to a shorter length?
A: Yes, but cutting voids the pre-finished convenience and custom-cut items are non-returnable.