MRCOOL DIY® Coupler Set – 1/2" x 1/4" or 3/8" x 1/4" Quick Connect (No Communication Wire)
MRCOOL DIY® 1/2" x 1/4" Coupler Kit – Without Communication Wire
Easily extend your MRCOOL DIY® system with this 1/2" x 1/4" Coupler Kit. Designed to connect two pre-charged Quick Connect line sets together, this kit gives you the flexibility to run longer refrigerant lines while keeping installation simple.
🔹 Important Notes:
- This listing is for couplers only (no communication/control wire included).
- If you extend your system beyond the standard 25 ft. line set, you may also need an extended control wire kit. We offer couplers with control wire included if needed.
- Many homeowners choose to route refrigerant lines and control wires along different paths — these couplers make that possible.
Compatibility:
- Works with single-zone and multi-zone systems.
- Compatible with both 4th Gen and older MRCOOL systems (R-410A) and 5th Gen systems (R-454B).
- For 6k, 9k, 12k, and 18k air handlers (wall and ceiling cassette).
- 24k and 36k air handlers require a larger coupler kit (sold separately).
Key Features:
- Simple Extensions – Connects two pre-charged line sets for longer runs.
- DIY Friendly – Quick Connect fittings mean no vacuum pumps or special tools required.
- Durable & Reliable – Leak-free construction ensures long-lasting performance.
- Flexible Routing – Allows refrigerant lines and control wires to be run separately if desired.
- Two Couplers Needed – Each extension requires two couplers (one for each line).
Specifications:
- Size: 1/2" x 1/4" Quick Connect
- Use With: MRCOOL DIY® 6k–18k air handlers
- ⚠️ Note: 24k and 36k units require a larger coupler kit (sold HERE).
- Control Wire: Not included with this listing
Upgrade your MRCOOL DIY® system with confidence. This coupler kit makes it easy to extend your refrigerant lines, giving you the flexibility and reliability you need for a professional-quality installation — without the hassle.
Original: $193.00
-65%$193.00
$67.55More Images
MRCOOL DIY® Coupler Set – 1/2" x 1/4" or 3/8" x 1/4" Quick Connect (No Communication Wire)
MRCOOL DIY® 1/2" x 1/4" Coupler Kit – Without Communication Wire
Easily extend your MRCOOL DIY® system with this 1/2" x 1/4" Coupler Kit. Designed to connect two pre-charged Quick Connect line sets together, this kit gives you the flexibility to run longer refrigerant lines while keeping installation simple.
🔹 Important Notes:
- This listing is for couplers only (no communication/control wire included).
- If you extend your system beyond the standard 25 ft. line set, you may also need an extended control wire kit. We offer couplers with control wire included if needed.
- Many homeowners choose to route refrigerant lines and control wires along different paths — these couplers make that possible.
Compatibility:
- Works with single-zone and multi-zone systems.
- Compatible with both 4th Gen and older MRCOOL systems (R-410A) and 5th Gen systems (R-454B).
- For 6k, 9k, 12k, and 18k air handlers (wall and ceiling cassette).
- 24k and 36k air handlers require a larger coupler kit (sold separately).
Key Features:
- Simple Extensions – Connects two pre-charged line sets for longer runs.
- DIY Friendly – Quick Connect fittings mean no vacuum pumps or special tools required.
- Durable & Reliable – Leak-free construction ensures long-lasting performance.
- Flexible Routing – Allows refrigerant lines and control wires to be run separately if desired.
- Two Couplers Needed – Each extension requires two couplers (one for each line).
Specifications:
- Size: 1/2" x 1/4" Quick Connect
- Use With: MRCOOL DIY® 6k–18k air handlers
- ⚠️ Note: 24k and 36k units require a larger coupler kit (sold HERE).
- Control Wire: Not included with this listing
Upgrade your MRCOOL DIY® system with confidence. This coupler kit makes it easy to extend your refrigerant lines, giving you the flexibility and reliability you need for a professional-quality installation — without the hassle.
Product Information
Product Information
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Description
MRCOOL DIY® 1/2" x 1/4" Coupler Kit – Without Communication Wire
Easily extend your MRCOOL DIY® system with this 1/2" x 1/4" Coupler Kit. Designed to connect two pre-charged Quick Connect line sets together, this kit gives you the flexibility to run longer refrigerant lines while keeping installation simple.
🔹 Important Notes:
- This listing is for couplers only (no communication/control wire included).
- If you extend your system beyond the standard 25 ft. line set, you may also need an extended control wire kit. We offer couplers with control wire included if needed.
- Many homeowners choose to route refrigerant lines and control wires along different paths — these couplers make that possible.
Compatibility:
- Works with single-zone and multi-zone systems.
- Compatible with both 4th Gen and older MRCOOL systems (R-410A) and 5th Gen systems (R-454B).
- For 6k, 9k, 12k, and 18k air handlers (wall and ceiling cassette).
- 24k and 36k air handlers require a larger coupler kit (sold separately).
Key Features:
- Simple Extensions – Connects two pre-charged line sets for longer runs.
- DIY Friendly – Quick Connect fittings mean no vacuum pumps or special tools required.
- Durable & Reliable – Leak-free construction ensures long-lasting performance.
- Flexible Routing – Allows refrigerant lines and control wires to be run separately if desired.
- Two Couplers Needed – Each extension requires two couplers (one for each line).
Specifications:
- Size: 1/2" x 1/4" Quick Connect
- Use With: MRCOOL DIY® 6k–18k air handlers
- ⚠️ Note: 24k and 36k units require a larger coupler kit (sold HERE).
- Control Wire: Not included with this listing
Upgrade your MRCOOL DIY® system with confidence. This coupler kit makes it easy to extend your refrigerant lines, giving you the flexibility and reliability you need for a professional-quality installation — without the hassle.
