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NV25-3834 MrCool HVAC Accessories Quick Connect HVAC Line Set, 25 Ft. 3/8" x 3/4"

Regular price $367.75 USD
Regular price Sale price $367.75 USD
Sale Sold out
Shipping calculated at checkout.

Benefits & Features

✅ Pre-Charged for 100% Accuracy: Ensures precise refrigerant levels.
✅ Kink Resistant: Facilitates easier bending during installation.
✅ No Vacuum Required: Simplifies the installation process.
✅ Leak-Proof: Ensures a secure and reliable connection.
✅ Strong Gator-Flextra UV Protective Insulation Sleeve: Provides durability and protection.
✅ Simple to Use Screw-on Quick Connect Valves: Streamlines the installation, saving 7 steps.


Item Dimensions: 35" (D) x 5" (W) x 35" (H)
Item Color: Copper
Item Weight: 28 lbs

Refrigerant Pipe Connection Method: Quick-Connect
Refrigerant Pipe Length: 25-ft
Refrigerant Volume: 3.17-oz

Liquid Line Size: 3/8"
Liquid Line Fitting: 1"
Suction Line Size: 3/4"
Suction Line fitting: 1.5"

Has Batteries: No
Electronics: No
Chemicals: Yes
Aerosol: Yes
Compressed Gas:Yes
Proposition 65 Warning: Yes
Restricted States: GU;PR;VI
Certificate: cETLus Listed, Prop65

The NV25-3834 is a 25-ft long line set with dimensions of 3/8" x 3/4". It is exclusively designed for use with MrCool universal condensers and air handlers. This set comes pre-charged from the factory with the exact amount of refrigerant required for the 2-3 ton MRCOOL Universal heat pump split system. Thanks to its specialized quick connect fittings, installation of the MrCool heat pump system is a breeze, requiring only a wrench - no need for a vacuum pump, gauges, flaring, or brazing.


  • MrCool — Universal Condensers & Air Handlers
  • Refrigerant — R-410A


  • 25 FT Pre-Charged (3/8" x 3/4") MrCool No-Vac Quick Connect Line Set

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Warning: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to:


Install Manual,

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Frequently Asked Questions about the NV25-3834 MrCool HVAC Accessories Quick Connect HVAC Line Set, 25 Ft. 3/8" x 3/4"