GeoCool® No-Vac® Pre-Charged Line Set – 3/8" x 3/4" Vertical Upflow with Air Box
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MODEL: GCNV-VUAB-3834
Fast, Clean Installation for GeoCool® Geothermal Systems
Simplify your geothermal installation with the GeoCool® No-Vac® Vertical Upflow Line Set, model GCNV-VUAB-3834. Pre-charged with R-410A refrigerant, this 3/8" liquid x 3/4" suction line set is engineered for plug-and-play compatibility with GeoCool® Vertical Upflow systems, both with and without the return air box, as well as select vertical downflow units.
No vacuum pump, no refrigerant charging, and no brazing required — this line set enables faster installs, reduced labor time, and fewer opportunities for error. Its secure, sealed design preserves refrigerant integrity while delivering maximum system efficiency right out of the box.
Why Installers Choose GeoCool® No-Vac® Line Sets
✅ Pre-Charged with R-410A – Arrives sealed, pre-filled, and ready for connection
✅ No Vacuum Required – Speeds up install with no need for refrigerant gauges or pumps
✅ Leak-Proof Seal – Factory-sealed design reduces installation risks and callbacks
✅ Vertical Upflow Compatible – Built to match GeoCool® upflow systems (with/without air box)
✅ Supports Downflow Configurations – Also works with compatible vertical downflow units
✅ Reduced Install Time – Perfect for contractors needing quick, repeatable installs
✅ Lightweight & Durable – Streamlined for tight mechanical spaces and fast handling
✅ Reliable Refrigerant Flow – Maintains pressure integrity for optimal HVAC performance
What’s Included:
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3/8" x 3/4" Pre-Charged No-Vac® Line Set
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Vertical Upflow Configuration w/ Air Box Compatibility
- R-410A Refrigerant (Factory Sealed)
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Installation Ready Hardware
- Product Labeling for System Matching
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| Refrigerant Type | R-410A |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Line Set Type | Pre-Charged (No-Vac®) |
| Compatibility | Vertical Upflow w/ or w/o Air Box; Vertical Downflow |
| Net Dimensions (in) | 53.13 D × 12.55 W |
| Gross Dimensions (in) | 55.10 D × 12.60 W × 3.90 H |
| Net Weight | 6.49 lbs |
| Gross Weight | 10 lbs |
| Pre-Filled Refrigerant | Yes |
| Batteries | No |
| Electronics | No |
| Proposition 65 | Yes |
This line set is compatible with select GeoCool® geothermal systems. Please verify the correct sizing and match with your unit model before purchase.
Installation
⚠️ Only trained HVAC professionals should install refrigerant-carrying components. Using unauthorized parts may void warranty and affect performance.
Installation & Guides
Shipping & Returns
Shipping Policy
At Cool Heat Direct, we offer free curbside delivery on all MRCOOL product orders via FedEx Ground, FedEx Freight, or trusted carriers depending on order size.
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Deliveries are made to the curbside — please arrange assistance for heavy or large items, as drivers do not carry items indoors or upstairs.
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Tracking details will be sent within 3–5 business days after placing your order.
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Freight shipments are scheduled directly by the carrier using the contact information you provide at checkout.
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Please inspect your shipment upon delivery and report any visible damage on the delivery receipt.
Return Policy
We want you to love your purchase from Cool Heat Direct. If you need to return an item:
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Contact us within 30 days of delivery.
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Items must be unused, uninstalled, and in their original packaging.
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A 35% restocking fee applies to all approved returns.
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Accessories such as line sets, wall mounts, and couplers are non-returnable.
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Return shipping is the customer’s responsibility unless the item is damaged or defective on arrival.
To start a return, please email us at support@coolheatdirect.com with your order number and reason for return.
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