Shop mr. cool line coupler kit

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$64.00
Mrcool Quick Connect Line Set Coupler Kit For Universal Split System | NVCOUPLER-3834
Ingrams Water & Air
$64.00
Mrcool Quick Connect Line Set Coupler Kit For Universal Split System | NVCOUPLER-3834
Ingrams Water & Air
$155.84
1/2" X 1/4" Mrcool DIY Coupler Kit - No Communication Wire | DIYCOUPLER-1412
Ingrams Water & Air
$155.84
1/2" X 1/4" Mrcool DIY Coupler Kit - No Communication Wire | DIYCOUPLER-1412
Ingrams Water & Air
$68.09
$79.99
MRCOOL Universal 3/8 And 3/4 Inch Couplers NVCOUPLER-3834
eFireplaceStore
14% off
$68.09
$79.99
MRCOOL Universal 3/8 And 3/4 Inch Couplers NVCOUPLER-3834
eFireplaceStore
$35.00
Mrcool Flare To Sweat Lineset Adapter Kit For Universal Air Handler | WF-3834K
Ingrams Water & Air
$35.00
Mrcool Flare To Sweat Lineset Adapter Kit For Universal Air Handler | WF-3834K
Ingrams Water & Air
$25.22
Union Coupling For Mrcool Lineguard 4.5" Line Set Cover | MLGCLP
Ingrams Water & Air
$25.22
Union Coupling For Mrcool Lineguard 4.5" Line Set Cover | MLGCLP
Ingrams Water & Air
$589.95
$729.99
MRCOOL DIYCOUPLER-3858K75 3/8 Inch And 5/8 Inch Couplers With Communication Wire - 75 Foot
eFireplaceStore
19% off
$589.95
$729.99
MRCOOL DIYCOUPLER-3858K75 3/8 Inch And 5/8 Inch Couplers With Communication Wire - 75 Foot
eFireplaceStore
$67.69
Mrcool No-Vac Coupler For Universal Quick-Connect Line Set, 3/8 X 3/4 (Mrcool NVCOUPLER3834)
HomElectrical
$67.69
Mrcool No-Vac Coupler For Universal Quick-Connect Line Set, 3/8 X 3/4 (Mrcool NVCOUPLER3834)
HomElectrical
$386.00
3/8" X 3/4" Mrcool No Vac Quick Connect Pre Charged Line Set - 25 ft - R454B | NV25-3834-O
Ingrams Water & Air
$386.00
3/8" X 3/4" Mrcool No Vac Quick Connect Pre Charged Line Set - 25 ft - R454B | NV25-3834-O
Ingrams Water & Air
$826.95
$1,019.99
MRCOOL DIY 3/8 Inch And 5/8 Inch Couplers With 75 Foot MC-5 Pro Cable DIYCOUPLER-3858K75C
eFireplaceStore
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MRCOOL DIY 3/8 Inch And 5/8 Inch Couplers With 75 Foot MC-5 Pro Cable DIYCOUPLER-3858K75C
eFireplaceStore
$427.00
MRCOOL 5th Gen, DIY 6K, 9K, 12K And 18K Air Handler, Line Set Coupler Kit 1 in. W X 900 in. H Assort
Ace Hardware
Free shipping
$427.00
MRCOOL 5th Gen, DIY 6K, 9K, 12K And 18K Air Handler, Line Set Coupler Kit 1 in. W X 900 in. H Assort
Ace Hardware
$441.43
Mrcool 1/4-In X 1/2-In Coupler Kit W/75-Ft MC-5 Cable For 9K/12K/18K Line Set (Mrcool DIYCOUPLER-1412K75C)
HomElectrical
4
$441.43
Mrcool 1/4-In X 1/2-In Coupler Kit W/75-Ft MC-5 Cable For 9K/12K/18K Line Set (Mrcool DIYCOUPLER-1412K75C)
HomElectrical
$208.57
Mrcool 0.38-In X 0.63-In Coupler Kit W/ 75-Ft Wire, 24K/36K Line Set (Mrcool DIYCOUPLER-3858K75)
HomElectrical
$208.57
Mrcool 0.38-In X 0.63-In Coupler Kit W/ 75-Ft Wire, 24K/36K Line Set (Mrcool DIYCOUPLER-3858K75)
HomElectrical
$119.59
Quick Connect Adapter 16 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000043
Ingrams Water & Air
$119.59
Quick Connect Adapter 16 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000043
Ingrams Water & Air
$106.15
Quick Connect Adapter 09 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000042
Ingrams Water & Air
$106.15
Quick Connect Adapter 09 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000042
Ingrams Water & Air
$462.86
Mrcool 3/8-In X 5/8-In Coupler Kit W/ 75-Ft MC-5 Cable For 24K/36K Units (Mrcool DIYCOUPLER-3858K75C)
HomElectrical
$462.86
Mrcool 3/8-In X 5/8-In Coupler Kit W/ 75-Ft MC-5 Cable For 24K/36K Units (Mrcool DIYCOUPLER-3858K75C)
HomElectrical
$186.00
Mrcool 14" Square To Round Adapter Kit (18.125" Supply & 18.125" Return) | M14HSR4260A
Ingrams Water & Air
$186.00
Mrcool 14" Square To Round Adapter Kit (18.125" Supply & 18.125" Return) | M14HSR4260A
Ingrams Water & Air
$8.75
3/8" Mrcool Flare To Sweat Adapter Fitting For Universal Air Handler | WF-38
Ingrams Water & Air
$8.75
3/8" Mrcool Flare To Sweat Adapter Fitting For Universal Air Handler | WF-38
Ingrams Water & Air
$502.00
35ft - 6K, 9K, 12K Mrcool DIY Ductless Mini Split Line Set W/ Control Wire - R454B | DIY35-1438C-O
Ingrams Water & Air
1
$502.00
35ft - 6K, 9K, 12K Mrcool DIY Ductless Mini Split Line Set W/ Control Wire - R454B | DIY35-1438C-O
Ingrams Water & Air
$427.00
MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 + 75 ft. MC-5 Cable
Home Outlet Direct
4
$427.00
MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 + 75 ft. MC-5 Cable
Home Outlet Direct
$106.46
Quick Connect Fitting 12 For Mrcool Ductless Heat Pump Condenser DIY Series | 15500305000016
Ingrams Water & Air
$106.46
Quick Connect Fitting 12 For Mrcool Ductless Heat Pump Condenser DIY Series | 15500305000016
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$105.67
Quick Connect Fitting 06 For Mrcool Ductless Heat Pump Condenser DIY Series | 15500305000015
Ingrams Water & Air
$105.67
Quick Connect Fitting 06 For Mrcool Ductless Heat Pump Condenser DIY Series | 15500305000015
Ingrams Water & Air
$410.97
MRCOOL, Couplers Kit, Includes 1/4 And 1/2 Couplers, Comes With 75 ft Communication Cable
Voomi Supply
4
$410.97
MRCOOL, Couplers Kit, Includes 1/4 And 1/2 Couplers, Comes With 75 ft Communication Cable
Voomi Supply
$427.00
MRCOOL 1/4X1/2 DIY Mini-Split Heat Pump/AC Line Set Coupler Kit With 75 ft Wire
eBay
Free shipping
$427.00
MRCOOL 1/4X1/2 DIY Mini-Split Heat Pump/AC Line Set Coupler Kit With 75 ft Wire
eBay
$224.65
MRCOOL 3/8X5/8 DIY Mini Split Line Set Coupler Set-50 Or 75 ft
eBay
Free shipping
$224.65
MRCOOL 3/8X5/8 DIY Mini Split Line Set Coupler Set-50 Or 75 ft
eBay
$427.00
1/4 in. X 1/2 in. Coupler Kit And 75 ft. DIY Pro Cable To Combine 1/4 in. X 1/2 in. DIY Pre-Charged Line-Sets
Home Depot
5
Free shipping
$427.00
1/4 in. X 1/2 in. Coupler Kit And 75 ft. DIY Pro Cable To Combine 1/4 in. X 1/2 in. DIY Pre-Charged Line-Sets
Home Depot
$325.00
Mr. Cool 1/4"" X 1/2"" DIY 1 Pair Coupler Kit W/50' Cable 1412K50 Mini Split
eBay
$325.00
Mr. Cool 1/4"" X 1/2"" DIY 1 Pair Coupler Kit W/50' Cable 1412K50 Mini Split
eBay
$430.92
MRCOOL DIYCOUPLER-3858K75C 3/8 & 5/8 Couplers For DIY 4th Gen 24K & 36K Units W/ 75ft Communication Cable
Voomi Supply
$430.92
MRCOOL DIYCOUPLER-3858K75C 3/8 & 5/8 Couplers For DIY 4th Gen 24K & 36K Units W/ 75ft Communication Cable
Voomi Supply
$84.58
Mr Cool Nvcoupler-3834 Mr. Cool 3/8 No-Vac Coupler + 3/4 No-Vac
eBay
Free shipping
$84.58
Mr Cool Nvcoupler-3834 Mr. Cool 3/8 No-Vac Coupler + 3/4 No-Vac
eBay
$315.00
MRCOOL 50ft 1/4" X 1/2" Flared Line Set Kit (MC50-1412)
Home Outlet Direct
$315.00
MRCOOL 50ft 1/4" X 1/2" Flared Line Set Kit (MC50-1412)
Home Outlet Direct
$64.00
$87.00
Chill Mini Splits MRCOOL 3/8 No-Vac Coupler + 3/4 No-Vac Coupler For Universal & Central Ducted Quick Connect Line Set
Shop
26% off
$64.00
$87.00
Chill Mini Splits MRCOOL 3/8 No-Vac Coupler + 3/4 No-Vac Coupler For Universal & Central Ducted Quick Connect Line Set
Shop
$208.57
MRCOOL DIYCOUPLER-3858K75 3/8" & 5/8" Couplers For DIY 24K & 36K Units W/ 75ft Communication Wire | Supplyhouse.Com
SupplyHouse.com
$208.57
MRCOOL DIYCOUPLER-3858K75 3/8" & 5/8" Couplers For DIY 24K & 36K Units W/ 75ft Communication Wire | Supplyhouse.Com
SupplyHouse.com
$414.87
MRCOOL DIYCOUPLER-1412K75C 1/4" & 1/2" Couplers For DIY 4th & 5th Gen 9K, 12K & 18K Units W/ 75ft Communication Cable | Supplyhouse.Com
SupplyHouse.com
1
$414.87
MRCOOL DIYCOUPLER-1412K75C 1/4" & 1/2" Couplers For DIY 4th & 5th Gen 9K, 12K & 18K Units W/ 75ft Communication Cable | Supplyhouse.Com
SupplyHouse.com
$417.00
$484.00
Chill Mini Splits MRCOOL 75ft Line Set Coupler Kit For DIY Single Zone And Multizone 9K, 12K & 18K Air Handlers - 1/4" X 1/2"
Shop
13% off
$417.00
$484.00
Chill Mini Splits MRCOOL 75ft Line Set Coupler Kit For DIY Single Zone And Multizone 9K, 12K & 18K Air Handlers - 1/4" X 1/2"
Shop
$451.00
MRCOOL DIY DDIYCOUPLER-38 + DIYCOUPLER-58 + 75ft MC-5 Cable
Home Outlet Direct
$451.00
MRCOOL DIY DDIYCOUPLER-38 + DIYCOUPLER-58 + 75ft MC-5 Cable
Home Outlet Direct
$49.00
MRCOOL 3/8 X 3/4 No-Vac Coupler Set NVCOUPLER3834 NEW 7B3
eBay
Free shipping
$49.00
MRCOOL 3/8 X 3/4 No-Vac Coupler Set NVCOUPLER3834 NEW 7B3
eBay
$427.00
$499.00
MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 + 75ft MC-5 Cable, 5th Gen, DIYCOUPLER-1412K75C
Premium Home Source
4
14% off
$427.00
$499.00
MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 + 75ft MC-5 Cable, 5th Gen, DIYCOUPLER-1412K75C
Premium Home Source
MRCOOL DIY Line Set Extension Coupler Kits
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MRCOOL DIY Line Set Extension Coupler Kits
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MRCOOL DIY Line Set Extension Coupler Kit
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MRCOOL DIY Line Set Extension Coupler Kit
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No Vac Quick Connect Line Sets Makes Installing the MrCool Universal Easy
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No Vac Quick Connect Line Sets Makes Installing the MrCool Unive…
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Mr Cool Universal DIY install by a novice. 25' lineset is a must. no Sharp turns allowed!
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Mr Cool Universal DIY install by a novice. 25' lineset is a must. no Sh…
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DIYheatpumps.ca - Mr. Cool Line Set Installation
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MRCOOL DIY Line Set Extension Coupler Kits
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MRCOOL DIY Line Set Extension Coupler Kits
232 viewsFeb 27, 2025
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How to Connect MRCOOL's Pre-charged Quick Connect® Line Set
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How to Connect MRCOOL's Pre-charged Quick Connect® Line Set
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MRCOOL 50ft Line Set Coupler Kit for DIY Single Zone and Multizone …
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How to Install a MRCOOL LineGuard Line-Set Cover Kit
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MRCOOL Universal Installation with Quick Connect Line Sets
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Installing our MrCool Mini Split 24K BTU - Part 4 - Connecting the Lin…
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Installing a MrCool Universal with Existing Line Sets
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Pro Level Mr Cool DIY Install in less than 1 day!
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Installing a VERY Efficient Ducted Heat Pump (MRCOOL Universal In…
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MrCool Universal A-Coil with Quick Connect Line Sets
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How to Install the MrCool DIY Multi Zone
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MRCOOL DIY® Installation Guide
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Why the MRCOOL DIY Ductless Mini Split is Truly Do It Yourself
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Shop mr. cool line coupler kit

Sponsored
About our ads
$64.00
Mrcool Quick Connect Line Set Coupler Kit For Universal Split System | NVCOUPLER-3834
Ingrams Water & Air
$64.00
Mrcool Quick Connect Line Set Coupler Kit For Universal Split System | NVCOUPLER-3834
Ingrams Water & Air
$155.84
1/2" X 1/4" Mrcool DIY Coupler Kit - No Communication Wire | DIYCOUPLER-1412
Ingrams Water & Air
$155.84
1/2" X 1/4" Mrcool DIY Coupler Kit - No Communication Wire | DIYCOUPLER-1412
Ingrams Water & Air
$68.09
$79.99
MRCOOL Universal 3/8 And 3/4 Inch Couplers NVCOUPLER-3834
eFireplaceStore
14% off
$68.09
$79.99
MRCOOL Universal 3/8 And 3/4 Inch Couplers NVCOUPLER-3834
eFireplaceStore
$35.00
Mrcool Flare To Sweat Lineset Adapter Kit For Universal Air Handler | WF-3834K
Ingrams Water & Air
$35.00
Mrcool Flare To Sweat Lineset Adapter Kit For Universal Air Handler | WF-3834K
Ingrams Water & Air
$25.22
Union Coupling For Mrcool Lineguard 4.5" Line Set Cover | MLGCLP
Ingrams Water & Air
$25.22
Union Coupling For Mrcool Lineguard 4.5" Line Set Cover | MLGCLP
Ingrams Water & Air
$589.95
$729.99
MRCOOL DIYCOUPLER-3858K75 3/8 Inch And 5/8 Inch Couplers With Communication Wire - 75 Foot
eFireplaceStore
19% off
$589.95
$729.99
MRCOOL DIYCOUPLER-3858K75 3/8 Inch And 5/8 Inch Couplers With Communication Wire - 75 Foot
eFireplaceStore
$67.69
Mrcool No-Vac Coupler For Universal Quick-Connect Line Set, 3/8 X 3/4 (Mrcool NVCOUPLER3834)
HomElectrical
$67.69
Mrcool No-Vac Coupler For Universal Quick-Connect Line Set, 3/8 X 3/4 (Mrcool NVCOUPLER3834)
HomElectrical
$386.00
3/8" X 3/4" Mrcool No Vac Quick Connect Pre Charged Line Set - 25 ft - R454B | NV25-3834-O
Ingrams Water & Air
$386.00
3/8" X 3/4" Mrcool No Vac Quick Connect Pre Charged Line Set - 25 ft - R454B | NV25-3834-O
Ingrams Water & Air
$826.95
$1,019.99
MRCOOL DIY 3/8 Inch And 5/8 Inch Couplers With 75 Foot MC-5 Pro Cable DIYCOUPLER-3858K75C
eFireplaceStore
18% off
$826.95
$1,019.99
MRCOOL DIY 3/8 Inch And 5/8 Inch Couplers With 75 Foot MC-5 Pro Cable DIYCOUPLER-3858K75C
eFireplaceStore
$427.00
MRCOOL 5th Gen, DIY 6K, 9K, 12K And 18K Air Handler, Line Set Coupler Kit 1 in. W X 900 in. H Assort
Ace Hardware
Free shipping
$427.00
MRCOOL 5th Gen, DIY 6K, 9K, 12K And 18K Air Handler, Line Set Coupler Kit 1 in. W X 900 in. H Assort
Ace Hardware
$441.43
Mrcool 1/4-In X 1/2-In Coupler Kit W/75-Ft MC-5 Cable For 9K/12K/18K Line Set (Mrcool DIYCOUPLER-1412K75C)
HomElectrical
4
$441.43
Mrcool 1/4-In X 1/2-In Coupler Kit W/75-Ft MC-5 Cable For 9K/12K/18K Line Set (Mrcool DIYCOUPLER-1412K75C)
HomElectrical
$208.57
Mrcool 0.38-In X 0.63-In Coupler Kit W/ 75-Ft Wire, 24K/36K Line Set (Mrcool DIYCOUPLER-3858K75)
HomElectrical
$208.57
Mrcool 0.38-In X 0.63-In Coupler Kit W/ 75-Ft Wire, 24K/36K Line Set (Mrcool DIYCOUPLER-3858K75)
HomElectrical
$119.59
Quick Connect Adapter 16 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000043
Ingrams Water & Air
$119.59
Quick Connect Adapter 16 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000043
Ingrams Water & Air
$106.15
Quick Connect Adapter 09 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000042
Ingrams Water & Air
$106.15
Quick Connect Adapter 09 For 24K Mrcool Ductless Heat Pump DIY-MULTI Series | 15500305000042
Ingrams Water & Air
$462.86
Mrcool 3/8-In X 5/8-In Coupler Kit W/ 75-Ft MC-5 Cable For 24K/36K Units (Mrcool DIYCOUPLER-3858K75C)
HomElectrical
$462.86
Mrcool 3/8-In X 5/8-In Coupler Kit W/ 75-Ft MC-5 Cable For 24K/36K Units (Mrcool DIYCOUPLER-3858K75C)
HomElectrical
$186.00
Mrcool 14" Square To Round Adapter Kit (18.125" Supply & 18.125" Return) | M14HSR4260A
Ingrams Water & Air
$186.00
Mrcool 14" Square To Round Adapter Kit (18.125" Supply & 18.125" Return) | M14HSR4260A
Ingrams Water & Air
$8.75
3/8" Mrcool Flare To Sweat Adapter Fitting For Universal Air Handler | WF-38
Ingrams Water & Air
$8.75
3/8" Mrcool Flare To Sweat Adapter Fitting For Universal Air Handler | WF-38
Ingrams Water & Air
$502.00
35ft - 6K, 9K, 12K Mrcool DIY Ductless Mini Split Line Set W/ Control Wire - R454B | DIY35-1438C-O
Ingrams Water & Air
1
$502.00
35ft - 6K, 9K, 12K Mrcool DIY Ductless Mini Split Line Set W/ Control Wire - R454B | DIY35-1438C-O
Ingrams Water & Air