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:
- MRCOOL VersaPro 2nd Gen
- MRCOOL Central Ducted Hyper Heat 2nd Gen
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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