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11-11-2014, 01:26 AM #1
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mitsubishi ductless split a/c unit with clogged drain hose (long)
So I got a ductless split a/c unit with a, I think its 1/4" hose that is plugged up with looks like orangey pinkish mildew I would guess. whatever it is, its a slime. It reaches all the way down to the rain gutter which is a long ways, might be 50-75' of plugged line.
What is the best way to clear this out. Will a small compressor have enough power to blow the line out, or is there a chemical that wont eat the drain hose.
What causes this? This bar has to identical units and one is all plugged and the other is completely clear.
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11-11-2014, 10:49 PM #2
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I am starting to push the Mods: of RE Site Moderator : and general nice guy
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Re: mitsubishi ductless split a/c unit with clogged drain hose (long)
You could try a commercial drain cleaner containing sodium hydroxide, caution it burns on skin contact so wear gloved and goggles.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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12-11-2014, 06:55 PM #3
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Re: mitsubishi ductless split a/c unit with clogged drain hose (long)
Could you blow it out with nitrogen or similar?
Mostly found in Oxfordshire, UK :)
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13-11-2014, 11:20 AM #4
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Re: mitsubishi ductless split a/c unit with clogged drain hose (long)
You sure it is 1/4" hose? Way too small for such a run
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14-11-2014, 11:08 AM #5
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Re: mitsubishi ductless split a/c unit with clogged drain hose (long)
Renew the hose, it is a bit work but after it no more trouble. you and company earns money and costumer is satisfied.
