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Refrigerant line set (pair) for mini split systems, liquid line size 1/4 inch O.D. flared ends, suction line size 3/8 inch O.D. flared ends,
length 15 feet, insulation thickness of 1/2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line
and the suction line.
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Bought and self installed during remodel. I heated with gas so winter electric initially increased but now with natural gas up 3.5 times over this past year I will save a lot over gas. Even though winter was higher I decreased the over all electric bill 37.5% at same time the cost / KWH has increased 32%. That is a huge savings.
If your installing understand you have to drain condensation from the inside unit to the outside. Without a remodel this can be problematic. Draining into vent pipes will work but watch out for sewer order that may be in those vent pipes.
If something is not working right this unit will self diagnose the problem. Inside multi split units must all be set the same. ie All must be set to cool or all set to heat or such. If not the unit will lock up. A power reset will be needed at the breaker box.
Installing a new HVAC condenser? Don’t forget the essentials. The right accessories—line set, disconnect box, electrical whip, equipment pad, and system flush kit—ensure safe, efficient, and long-lasting performance. Learn how each part supports your installation and shop all the HVAC accessories you need at HVACDirect.com.
August 19, 2025
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