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Message
re: A/C drip pan full. Bleach down PVC drain pipe?
Posted on 10/15/17 at 12:56 pm to King of New Orleans
Posted on 10/15/17 at 12:56 pm to King of New Orleans
Put the blower to it. Nothing came up thru the sinks.
Put the vac back on it after and I think I got a tad bit of water. Can't remember if I dumped the small amount I got earlier of if this was new.
Put the vac back on it after and I think I got a tad bit of water. Can't remember if I dumped the small amount I got earlier of if this was new.
This post was edited on 10/15/17 at 12:57 pm
1
Posted on 10/15/17 at 5:50 pm to King of New Orleans
quote:
Where is the primary pan? I don't see anything other than the big pan that is on the floor. The only PVC I see is coming off the unit. I don't have a pipe coming out of my exterior.
You won't see the primary pan because the primary pan is inside of the unit, attached to the coil inside of the AC. The PVC you see coming out of the unit is your primary drain.
Then below the unit there is the pan that you can see; that is the overflow pan. The overflow pan should (but doesn't always!) have a PVC line coming out of it (it might just have a cap), which is the one I've been assuming you're vacuuming?
Posted on 10/15/17 at 5:53 pm to King of New Orleans
quote:
Put the blower to it. Nothing came up thru the sinks.
When you blow out the primary drain, nothing should come up through the sinks unless something's fricked up in your house. The primary drain coming from the AC should go to your waste stack, which is vented out to the atmosphere through the roof of your attic, so once the blockage from the PVC line is cleared, there shouldn't be any resistance to pressure since you'll just be blowing air out of your roof.
Posted on 10/15/17 at 6:33 pm to King of New Orleans
Cut piece of hose pipe about 4 ft long..go into attic..shove 3 ft of hose down pvc drain line....use paper towel to form tight fit around opening where hose goes in. to make it air tight. put mouth on the 1 ft end and blow.....yep it works,,,it's not that tight of blockage....
Posted on 10/15/17 at 6:34 pm to allsports34
That drain usually runs to the eve and outside...not in your sewer drain...
Posted on 10/15/17 at 6:35 pm to Polycarp
Liquid plumber works better than bleach
Posted on 10/15/17 at 6:38 pm to allsports34
quote:
That drain usually runs to the eve and outside...not in your sewer drain...
The primary drain goes to the sewer drain.
The secondary (backup pan) drain goes to the eave.
Posted on 10/15/17 at 7:30 pm to efrad
Didn't think you were allowed to drain condensate to sewer in most areas.
Posted on 10/16/17 at 11:32 am to efrad
Know why they don't sell bleach or vinegar at a/c wholesale distributors? You shouldn't need to ever use either on/in your system. Maintain your system properly and you shouldn't get a clog unless the system is 20+ years old and the pan rust causes a clog. Change your filter monthly (or longer depending on filter) and have your evap coil cleaned yearly. A dirty coil is the main reason for clogs. Dirt gets wet, runs down coil and into pan....clog happens.
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