Is HVACProSales.com an authorized MRCOOL dealer?

Yes, HVACProSales.com is an authorized MRCOOL dealer. All MRCOOL products purchased from us come with full manufacturer warranty support.

What is the MRCOOL DIY mini split?

The MRCOOL DIY mini split is a ductless air conditioning and heating system designed for homeowner installation without professional HVAC tools. It features pre-charged line sets and snap-and-click connections.

How long does shipping take for MRCOOL mini splits?

Most MRCOOL mini splits ship same-day or next business day from our warehouse. Standard delivery is 3-7 business days via freight carrier.

Do MRCOOL DIY mini splits require a professional installer?

No, the MRCOOL DIY series is specifically designed for homeowner installation. The pre-charged line sets eliminate the need for an HVAC technician with refrigerant handling certification.

What HVAC tools does HVACProSales.com carry?

HVACProSales.com carries a full range of professional HVAC tools including manifold gauge sets, refrigerant recovery machines, vacuum pumps, leak detectors, multimeters, and more from brands like Yellow Jacket, Robinair, Fieldpiece, and Fluke.

What is the best manifold gauge set for R-410A?

For R-410A work, the Yellow Jacket 49967 3-valve manifold gauge set and the Fieldpiece SM380V digital manifold are top choices among HVAC professionals. Both are available at HVACProSales.com with contractor pricing.

Do you offer contractor pricing on HVAC tools?

Yes, HVACProSales.com offers contractor pricing on all HVAC tools and equipment. Create a free account to access contractor-level discounts on manifold gauges, recovery machines, and more.

What HVAC systems does HVACProSales.com sell?

HVACProSales.com sells complete HVAC systems including ductless mini splits, central air systems, heat pumps, gas furnaces, and multi-zone systems from MRCOOL, Friedrich, and other leading brands.

What is the most energy-efficient mini split system?

The MRCOOL DIY 4th Generation mini split offers up to 22 SEER2 efficiency ratings, making it one of the most energy-efficient ductless systems available. It qualifies for federal tax credits under the Inflation Reduction Act.

HVAC Systems & Components - HVAC Equipment - Air Conditioner Accessories - Line Sets & Couplers

Line Sets & Couplers

(Showing 10 of 10)

OEM Line Sets & Couplers — Contractor-Grade HVAC Parts

Browse our complete selection of OEM Line Sets & Couplers at HVAC Pro Sales. We stock contractor-ready inventory from the industry's most trusted manufacturers, ensuring you get the right part the first time. Whether you're servicing residential systems or managing commercial HVAC installations, our Line Sets & Couplers inventory is built for professionals who demand reliability and fast turnaround.

All Line Sets & Couplers products ship fast from our warehouse. We serve HVAC contractors, service technicians, and facility managers across the United States. Our parts are sourced directly from OEM manufacturers, guaranteeing compatibility and performance for every job.

Need help finding the right Line Sets & Couplers? Contact our team at support@hvacprosales.com or call 1-866-330-1709.

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MRCOOL

SKU: NV503834O

MRCOOL No Vac® Quick Connect® Pre-Charged Line Set – 50 ft – R-454B | Line Set

Length: 50 ft

Refrigerant Compatibility: R-454B

Connection Type: No Vac Quick Connect

Weight: 22 lbs

Compatible Systems: MRCOOL Signature Series TruInverter (all sizes)

MSRP:

Was:

Price Now:

$723.54

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MRCOOL

SKU: NV353834O

MRCOOL No Vac® Quick Connect® Pre-Charged Line Set – 35 ft – R-454B | Line Set

Length: 35 ft

Refrigerant Compatibility: R-454B

Connection Type: No Vac Quick Connect

Weight: 16 lbs

Compatible Systems: MRCOOL Signature Series TruInverter (all sizes)

MSRP:

Was:

Price Now:

$550.79

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MRCOOL

SKU: NV253834O

MRCOOL No Vac® Quick Connect® Pre-Charged Line Set – 25 ft – R-454B | Line Set

Length: 25 ft

Refrigerant Compatibility: R-454B

Connection Type: No Vac Quick Connect

Weight: 12 lbs

Compatible Systems: MRCOOL Signature Series TruInverter (all sizes)

MSRP:

Was:

Price Now:

$440.90

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MRCOOL

SKU: NV163834O

MRCOOL No Vac® Quick Connect® Pre-Charged Line Set – 16 ft – R-454B | Line Set

Length: 16 ft

Refrigerant Compatibility: R-454B

Connection Type: No Vac Quick Connect

Weight: 8 lbs

Compatible Systems: MRCOOL Signature Series TruInverter (all sizes)

MSRP:

Was:

Price Now:

$299.00

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Friedrich

SKU: 72868425

Air Conditioner Accessories: Accessory Type: Insulated Refrigeration Line Set; For Use With: Friedrich 18,000 BTU Ductless Indoor Units

mpn: T42250

MSRP:

$311.89

Was:

$311.89

Price Now:

$296.30

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Friedrich

SKU: 92240118

Air Conditioner Line Set: For Use with All HVAC Systems & Duct Work

mpn: T32350

MSRP:

$306.44

Was:

$306.44

Price Now:

$291.12

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Friedrich

SKU: 09875501

Air Conditioner Line Set: For Use with 9,000 & 12,000 BTU Ductless Indoor Units

mpn: T32150

MSRP:

$184.47

Was:

$184.47

Price Now:

$175.25

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Friedrich

SKU: 65874653

Air Conditioner Line Set: For Use with M18CE, M18YE, M24CE & M24YE

mpn: T53350

MSRP:

$371.96

Was:

$371.96

Price Now:

$353.36

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Friedrich

SKU: 65874620

Air Conditioner Line Set: For Use with 18,000 BTU Ductless Indoor Units

mpn: T42150

MSRP:

$189.40

Was:

$189.40

Price Now:

$179.93

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Friedrich

SKU: 72869555

Air Conditioner Accessories: Accessory Type: Insulated Refrigeration Line Set; For Use With: Friedrich 24,000 and 36,000 BTU Ductless Indoor Units

mpn: T53250

MSRP:

$410.28

Was:

$410.28

Price Now:

$389.77

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