MrCool 3/8 X 3/4 Coupler for Universal Series Quick Connect Line Set

MrCool 3/8 X 3/4 Coupler for Universal Series Quick Connect Line Set

Image may not depict product actual color, inclusions or accessories

Simply use the screw on ends to connect two couplers to one end of a Universal quick connect line, then screw the opposite ends of the couplers into a second Universal quick connect line. Shop more MRCOOL products at HomElectrical today!


  • Allows you to extend the length of MRCOOL Universal Quick Connect Pre-Charged Line Set beyond its standard length by connecting it with a second line set.
  • This will enable you to meet the needs of your particular installation without being forced to rely on traditional line sets and time-consuming installation techniques.
  • Intended for use with Universal Quick Connect Pre-Charged Line Set.
  • This coupler kit is NOT compatible with the MRCOOL DIY.
  • Prop65.
  • 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: .


Free Shipping Eligible
In Stock
Usually ships 3-7 Business Days

Product Specifications

Part NumberNVCOUPLER-3834
Inner Package1
Weight1.35 lb

Manufacturer Description

3/8 No-Vac Coupler + 3/4 No-Vac Coupler

Product Questions & Answers

Customer Reviews

0 out of 5
5 Star
4 Star
3 Star
2 Star
1 Star
Need Assistance?