Type F Insulated Line Set, 3/8″ Liquid x Multiple Suction Sizes, 30ft/50ft

Overview

The IDP HVAC Type F Insulated Line Set is a pre-insulated copper tubing assembly for mini-split AC and heat pump systems. 3/8″ liquid line paired with 5/8″, 3/4″ or 7/8″ suction line, 3/8″/1/2″/3/4″ closed-cell PE foam insulation, in 30ft and 50ft lengths. Supplied without flared nuts for field-flaring.

Key Features

• Annealed copper tubing, clean ends ready to flare
• 3/8″ liquid line, suction sizes: 5/8″ / 3/4″ / 7/8″
• Insulation thickness: 3/8″, 1/2″, 3/4″
• Lengths: 30ft and 50ft
• Without flared nuts (nuts & ferrules sold separately)
• 12 models covering all tube/insulation/length combinations

Specifications

Model Number Decoding

Example F385812050: F = Type F · 38 = 3/8″ liquid · 58 = 5/8″ suction · 12 = 1/2″ insulation · 050 = 50ft.

Compatible With

Mini-split and ductless heat pump systems 9k–36k BTU. Match tube size and insulation thickness to your outdoor unit nameplate; field-flare and trim to length on site.

Installation Notes

• Without flared nuts — flare ends on-site with a proper flaring tool; follow torque specs.
• Trim to exact length after dry-fitting; measure total run before cutting.
• Inspect insulation jacket for damage before installation; repair any tears.
• Custom-cut or opened line sets are non-returnable per our Terms.

FAQ

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

Q: What insulation thickness do I need?
A: Choose 3/8″ / 1/2″ / 3/4″ based on your climate and local code; thicker insulation for humid or high-ΔT runs.

Q: Lengths available?
A: 30ft and 50ft, in 5/8″, 3/4″ and 7/8″ suction sizes.