NVCOUPLER-3834 MrCool HVAC Accessories 3/8" + 3/4 No-Vac Coupler Double Male End H2" x W6" Air Coupler

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Regular price $74.00 USD
Regular price Sale price $74.00 USD
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Elevate your HVAC setup with MrCool's Double Male End Air Coupler – a top choice for HVAC professionals and enthusiasts alike. Designed with your needs in mind, this copper-colored coupler combines both a 3/8" and a 3/4" no-vac coupler, ensuring efficient high-flow rate connections across a multitude of applications.

The coupler's expertly crafted no-vac design ensures absolute safety from vacuum pressure, making it a must-have addition for HVAC projects in healthcare, hospitality, retail, public buildings, and beyond. As experts in HVAC supply procurement, HVAC Delivered assures you of the quality, efficiency, and personalized service that this product brings.


  • MrCool — Universal Quick Connect Pre-Charged Line Set
  • MrCool — Universal Series heat pump systems
  • NOT compatible with the MRCOOL DIY


  • (1) 3/8" coupler
  • (1) 3/4" coupler (both double male end)

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: .


✅Allows to extend the length of MRCOOL Universal
Quick Connect Pre-Charged Line Set beyond standard length by connecting it with a second line set
✅Enables to meet the needs particular installation without being forced to rely on traditional line sets and time-consuming installation techniques


Item Weight: 1.35 lbs
Item Color: Copper

Lineset Fitting Type: Double Male End Coupling

Batteries: No
Electronics: No
Chemicals: No
Aerosol: No
Compressed Gas: No
Proposition 65 Warning: Yes
Restricted States: GU;PR;VI



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