Part of this kit — included in the price above.

View full details →
MRCOOL DIY Lineset Coupler 1/4 1/2

1/2" x 1/4" MrCool DIY Coupler Kit for DIY Line Sets 6K, 9K, 12K & 18K Air Handlers - No Communication Wire

MRCOOL| SKU: DIYCOUPLER-1412 4.33 (3)

$199.00$229.0013% off

Payment plans

From $16.58/mo with shop Pay View sample plans

$5.52/mo with Paytomorrow Learn More SAVE NOW:

Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Optional accessories

Add common accessories before checkout.

Currently unavailable

Not sure which system fits?

Get a free sizing and compatibility check from our HVAC experts—plus 5% off.

By submitting, you agree to receive sizing help and occasional marketing emails. Unsubscribe anytime.

Want it when it’s back?

Leave your email and we’ll let you know the moment it’s restocked.

Description

With the MRCOOL DIY Coupler 1/2'' x 1/4'', you can connect 2 line sets together and extend the length of the lineset. You can add 2 x 16ft linesets together, 2 x 25ft linesets together, or a combination of 16ft and 25ft, 35ft, 50ft linesets together. 

This does not come with communication wire.

Compatible with 6K, 9K, 12K & 18K Air Handlers.

Ask Chill AI about this product

Ask our AI product assistant about sizing, compatibility, electrical needs, accessories, shipping, warranty, and install planning.

Answers are AI-generated from this product’s specs — for sizing you can trust, call (888) 231-8920.

Complete Your System

MRCOOL DIY Lineset Coupler 1/4 1/2
Electrical Kit
Outdoor condenser pad for mini split air conditioner
MRCOOL LineGuard 4.5" Complete Line Set Cover Kit - 12 ft
MRCOOL Wall Mounting Bracket for 9K, 12K & 18K Mini Split Condensers

Total Price: $199.00

This item: 1/2" x 1/4" MrCool DIY Coupler Kit for DIY Line Sets 6K, 9K, 12K & 18K Air Handlers - No Communication Wire $199.00