Line Set Kit for 9k BTU MrCool Ductless Split System

Item: HA11923
Model: MCXX-1438
Condition: New

Line Set Kit for 9k BTU MrCool Ductless Split System Zoom

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Availability: In stock

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Warranty Terms

For a full description of all warranties applicable to this product as well as individual manufacturer requirements, please review the manufacturer's consumer brochure and/or product warranty documents.  Online warranty registration must be completed within 60 days of installation.  Due to state laws, online registration is not required in California or Quebec. Call for warranty availability on scratch & dent and surplus items.

For additional warranty information, click here.


Model MCXX-1438
Line Set Connection Type Flared
Liquid Line Size 1/4 inch
Suction Line Size 3/8 inch
System Application Type Ductless Split Systems
Warranty None
Weight (lbs) 1.0000
California Residents see Prop 65 WARNING


Q & A

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Whats the line length?
My unit would be for an room not on an exterior wall...I would need 75' of line. what is your suggestion?
what size do the line set lines come in
I have a Fredrich brand dcutless. It is also a 9000 BTU. I wanted to purchase this line set, but wanted to make sure the couplets on the end are standard size and that this one will fit my unit. Thank you.
What is the neoprene used for?
does this come with communication wire?
I'm getting an 18k compressor with two 9k air handlers without linesets, do I need 9k or 18k linesets ?
Can I use this line to extend my pre-charged DIY line beyond 25 feet? Will I need to add more refrigerant?
Will this work on a 12k system
For item: HA11923, Model: MCXX-1438; 50ft option, How long is the communication wire?
Do you need a spliter
What is the length of the wire?
I recently bought a Mr. Cool 36K system with a 9, 12, and 18K air handlers. The included 25 foot line set was too short for the 9K unit. Can I replace it with this 50 ft. line set ?
Is Is this a no-vac line with refrigerant like the DIY systems? If not, how do I get that charged up?
What is the thickness of the insulation on this lineset?