50′ R‑454B No‑Vac Lineset (NV50‑3834‑O)

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$722.00

A factory‑charged 50 ft R‑454B No‑Vac Quick‑Connect Lineset built for long‑distance installations with MRCOOL VersaPro 2nd Gen and Central Ducted Hyper Heat 2nd Gen systems. No vacuum pump, no brazing, and no EPA certification required. MRCOOL’s Simple Secure Quick‑Connect fittings ensure a fast, clean, leak‑proof installation.

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This item: 50' R‑454B No‑Vac Lineset (NV50‑3834‑O) $722.00 $722.00
MRCOOL 5th Generation Mini Splits need a lineset to work

Description

The MRCOOL 50′ R‑454B No‑Vac Lineset (NV50‑3834‑O) is the longest Quick‑Connect option available for R‑454B systems, providing maximum flexibility for extended installation runs. Each lineset arrives pre‑charged with R‑454B refrigerant, fully sealed, and equipped with MRCOOL’s Simple Secure Quick‑Connect fittings. This eliminates the need for vacuum pumps, brazing, nitrogen purging, or EPA 608 certification.

Constructed with UV‑resistant insulation, kink‑resistant copper, and factory‑tested seals, this lineset ensures a reliable, leak‑free connection even across long distances.

Compatible With:

This compatibility is officially listed in the MRCOOL Partner Portal, making this lineset the key component for a DIY‑friendly installation path when paired with VersaPro 2nd Gen systems.

Key Features

  • Pre‑charged with R‑454B refrigerant
  • Simple Secure Quick‑Connect fittings
  • No vacuuming or brazing required
  • Long‑distance installation capability
  • Kink‑resistant copper tubing
  • UV‑protected insulation
  • Leak‑proof factory seals

Technical Specifications

Specification Value
Model NV50‑3834‑O
Refrigerant Type R‑454B
Length 50 ft
Liquid Line Size 3/8″
Suction Line Size 3/4″
Fitting Type Quick‑Connect
Net Weight ~34 lbs
Gross Weight ~38 lbs
Gross Dimensions 30″ × 30″ × 12″

Installation Notes

  • No vacuum pump required
  • No brazing required
  • No EPA 608 certification required
  • Must be paired with compatible MRCOOL equipment
  • Ensure all Quick‑Connect fittings are fully seated and torqued

Warranty

Covered under MRCOOL’s standard accessory warranty when installed with compatible MRCOOL equipment.

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Proposition 65 Warning California Residents Only

⚠ California Proposition 65 Warning This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. These warnings are provided in accordance with California law to help consumers make informed decisions. For more information, visit www.P65Warnings.ca.gov (p65warnings.ca.gov in Bing).

REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 17.19
LINE SET LENGTH 49.2ft
LINESET FITTING TYPE Quick-Connect
LIQUID LINE SIZE 3/8
SUCTION LINE SIZE 3/4
CONTAINS CHEMICALS Yes
NET WEIGHT (LBS) 45
GROSS DEPTH (IN) 47
GROSS HEIGHT (IN) 47
GROSS WIDTH (IN) 5
GROSS WEIGHT (LBS) 54

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