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MRCOOL® DIY 4th/5th Gen Line Set Coupler Kit with 75ft DIY Pro Cable for 6K, 9K, 12K, & 18K Line Sets - DIYCOUPLER-1412K75C-15500305000040 / 15500305000044 Mini Split Systems Direct

MRCOOL® DIY 4th/5th Gen Line Set Coupler Kit (One set of 3/8" x 5/8" Couplers) with 75 ft. of DIY Pro Cable for 24K & 36K Line Sets

MRCOOL

PVP: $471.60
$393.00
(Ahorra $78.60 )
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SKU:
DIYCOUPLER-3858K75C
Envío:
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Direct Factory Delivery: Ships directly from wholesale warehouse with scheduled liftgate delivery & tracking.
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MRCOOL® DIY 4th/5th Gen Line Set Coupler Kit (One set of 3/8" x 5/8" Couplers) with 75 ft. of DIY Pro Cable for 24K & 36K Line Sets

When 1-standard size DIY Quick Connect line set is not long enough, 2-standard quick connect line sets can be combined using our DIY coupler to increase the desired length of the quick connect line sets. This also comes with the communication wire needed to connect your DIY air handler to your DIY condenser. This coupler kit is to extend the line sets of a 24,000 BTU or 36,000 BTU air handler.

Features:

  • Can combine using a DIY coupler to increase the desired length of the line sets
  • Simple to use screw-on quick connect valves
  • Quicker installation than conventional line sets by saving 7-installation steps
  • 3/4 in. UV protective insulation sleeve

What's Included:

  • 1x Set of MRCOOL® DIY 3/8"x 5/8" Couplers for 24K & 36K Line Sets
  • 1x MRCOOL® 75' DIY Pro Cable

Product Information and Guides:

Wholesale Specifications & Compliance Guarantee

Official MSSD Direct Distribution Data for MRCOOL Item #DIYCOUPLER-3858K75C

🚚 Wholesale Freight Shipping Structure

  • Palletized Freight Delivery: Securely packaged and strapped to prevent coil or cabinet transit damage.
  • Liftgate Unloading Included: Every system price reflects complete residential or jobsite liftgate unloading services.
  • Terminal Tracking: Direct carrier tracking with scheduled delivery appointment confirmation.

🛡️ EPA Refrigerant & Safety Compliance

  • Low-GWP Mandate Certified: Compliant with 2025–2026 EPA AIM Act guidelines (R-454B / R-32 next-gen refrigerants).
  • Factory Parts Protection: Full manufacturer warranty integrity preserved via authorized wholesale distribution channels.
  • Factory Pre-Charged: Outdoor condensing units engineered and tested for rated line-set lengths.

📜 Manufacturer Warranty Protection

MRCOOL Limited Warranty: Up to 7-Year Compressor / 5-Year Parts coverage (5th & 4th Gen DIY Series).

MRCOOL Warranty Terms & Registration →

📊 System Engineering & Performance Specifications

Product Model Title MRCOOL® DIY 4th/5th Gen Line Set Coupler Kit (One set of 3/8" x 5/8" Couplers) with 75 ft. of DIY Pro Cable for 24K & 36K Line Sets
Factory SKU / Part # DIYCOUPLER-3858K75C
Brand Entity MRCOOL
Wholesale Freight Rate $0.00 (Palletized Liftgate Unloading Included)
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