Description
MRCOOL 50 Ft. R-454B No-Vac Lineset – NV50-3834-O
50′ R-454B No-Vac Lineset
Features
- Kink Resistant – Precharged
- Simple Secure Quick Connect
- UV Protected Insulation
- Works With: VersaPro Gen 2 – Central Hyper Heat Gen 2aVersaPro 2nd Gen – Central Ducted Hyper Heat 2nd Gen
Specifications
| Dimensions | 47″ D x 47″ H x 5″ W |
|---|---|
| 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 Weight (Lbs) | 54 |
What our Experts Think
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Pre-Charged Convenience: Comes factory-charged with R-454B refrigerant, eliminating the need for on-site charging.
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Time-Saving Installation: No-Vac design reduces setup time and simplifies installation for HVAC professionals and DIY users.
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Extended Reach: 50 ft. length is ideal for flexible placement of condensers and air handlers.
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Durable Build: Constructed for long-lasting performance and leak prevention.
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Perfect Match: Designed to work seamlessly with MRCOOL Hyper Heat and central HVAC systems using R-454B refrigerant.
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Trusted Innovation: MRCOOL leads the market in DIY-friendly HVAC solutions with professional-grade reliability.
Q&A
Q: What is the MRCOOL NV50-3834-O Lineset?
A: A 50 ft. pre-charged R-454B No-Vac lineset designed for MRCOOL central heat pump systems.
Q: What makes it No-Vac?
A: It comes factory pre-charged with refrigerant, so no vacuum pump or special tools are required.
Q: What sizes does it fit?
A: Compatible with 3/8″ liquid line and 3/4″ suction line connections.
Q: What are the benefits?
A: Simplifies installation, reduces setup time, and ensures a reliable refrigerant charge.
Q: Where is it best used?
A: Ideal for connecting MRCOOL Hyper Heat 2nd Gen central systems requiring a 50 ft. lineset.
Maintenance Tips
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Inspect connections regularly for secure fit and leaks.
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Check insulation along the entire length for wear, cracks, or damage.
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Keep lineset free of sharp bends or kinks to maintain refrigerant flow.
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Protect from direct sunlight and extreme weather exposure when possible.
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Clean exterior gently with a damp cloth; avoid harsh chemicals.
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Replace insulation if deteriorated to prevent efficiency loss.
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Have a licensed HVAC technician inspect during annual system maintenance.
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