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Old 04-04-2012, 05:16 PM   #16
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Condensate Drain Line Mystery (pan full but no primary clog?)


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Originally Posted by Ralph III View Post
Would you care to specify the code that states the main condensate line must tie into the plumbing!

Otherwise, explain why other professional HVAC technicians note that that indeed is not allowed in many/some jurisdictions. See HERE and HERE. Nor is it preferred for various reasons as they note.

You may also want to contact the inspection/permit departments (Public Works), HVAC installers and the municipalities in southern Alabama and southern Mississippi and educate them in this regards. As they obviously don't know code. I have a newer home, have renovated and sold two of my homes and currently have a renovated rental home. Each had a/c condensate lines that were drained directly outdoors, none tied into the sewer. All passed inspection and were done by professionals.

Here are a few quotes from the HVAC techs forum:



Here is another quote in answering this specific question as posed on Yahoo Answers.




Instead of simply choosing to undermine folks who are trying to give some advice, or worst case scenario you're propogating false information, why don't you instead offer the OP a solution.

I say they should insure they have a trap, irrespective of positive/negative, as many HVAC pros recommend as well, othewise as the units manufacturer specifies. They should check for a clog and properly re-do the secondary condensation line.

Have a great day.


P.S. You can go to the InterNachi HERE for a discussion on code, otherwise go HERE for the specific IRC code itself in regards to one and two family dwellings. "Condensate from all cooling coils or evaporators shall be conveyed from the drain pan outlet to an approved place of disposal". That can include directly outdoors to flower beds, yards or any municipality approved area. BTW, I re-confirmed that with our inspection/permit office. You can drain outdoors. In addition, they prohibit drainage into septic lines where septic tanks are in use.

You can call the City of Houston's Mechanical Inspectors Office if you'd like.

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Old 04-04-2012, 07:29 PM   #17
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Condensate Drain Line Mystery (pan full but no primary clog?)


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You can call the City of Houston's Mechanical Inspectors Office if you'd like.
The City of Houston has no jurisdiction over me, most likely not the OP, nor any other municipality in the United States. They only have control over their own district.

You were mistaken Doc and now choose not to admit that. Worst case, you purposefully chose to give misguided information in hopes of simply winning a point.

You stated "Code", as in national, required condensation to be drained into sewer lines in debating me. I, as most here, do not live in Houston, Tx. I live in Alabama as clearly denoted. When I challenged you to cite this "Code" you then tell folks to contact the city of Houston to see what they specifically require locally?

Quote:
Doc Holliday; "Nope. Main drain lines are required by code to tie into the plumbing vent stack. Secondaries run outside..."
There is no such thing! The IRC Code makes no such requirements. It specifically states in CH 14, sec M1411 draining should simply be done in an "approved place of disposal..." . It goes on to say "Condensate shall not discharge into a street, alley or other areas where it would cause a nuisance."

Many HVAC pros do not advise draining into sewer lines. The fact is, all municipalities may vary in their stipulations but many absolutely forbit draining condensation lines into sewer lines. Call Mobile County in Mobile, Alabama if you need to.

Have A Good Day.

Last edited by Ralph III; 04-04-2012 at 07:42 PM.
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Old 04-04-2012, 08:13 PM   #18
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Condensate Drain Line Mystery (pan full but no primary clog?)


I would never tell anyone anything wrong, especially not on purpose and I've been the one doing new construction and retrofits down here, dealing with the city and it's inspectors for well over a decade.

Seems like your panties are waded talking about traps and air handlers this and that when you don't know your head from you Wonderwoman female undergarments. I corrected the fact, nothing more.

Get real, tough guy.
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Old 04-04-2012, 10:31 PM   #19
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Condensate Drain Line Mystery (pan full but no primary clog?)


I bet your primary drain is clogged or coil is dirty about the only 2 answers for your problem if water is leaking out of coil else where your drain pan has a crack in it. You should have a qualified tech take a look at it.

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Last edited by Top_Tech; 04-04-2012 at 10:43 PM.
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Old 04-04-2012, 11:25 PM   #20
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Condensate Drain Line Mystery (pan full but no primary clog?)


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I would never tell anyone anything wrong...
With due respect Doc you stated the, "Main drain lines are required by code to tie into the plumbing vent stack...". That in fact is incorrect and as I pointed out. Now you tear into me with a childish rant?

If you want to set the record straight for folks then do so. The International Residential Code states no such thing. It only requires you to conform to local ordinances, which vary across the nation. Many of those refute your statement as well as many don't allow you to tie into sewer lines.

The only specific stipulation by the IRC is that WHEN you drain condensate outdoors that you are not to, "discharge into a street, alley or other areas where it would cause a nuisance".

My Dad was an Engineer and Contractor (commercial/residential) with HVAC licensing. I helped him with projects since I was 6 yrs old and for the last 40 plus years. I've done numerous remodels myself which includes dealing with licensing/inspection offices in both Ms. and Al.

Now, let's just move on. I agree with Top-Tech and still feel the OP most likely has a clog.

Ralph

Last edited by Ralph III; 04-04-2012 at 11:35 PM.
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Old 04-04-2012, 11:58 PM   #21
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Condensate Drain Line Mystery (pan full but no primary clog?)


Your momma. Just kidding.

Yes, ordinances do vary and perhaps that should have been touched based on in the first place. Know that around here, and perhaps I overshot the mark a bit as there have been a few times where I myself have dug a French drain for the main condensate, it is more than okay by code to tap into the plumbing stack. I think it's been well over a decade since I've even seen a main drain go to a French drain outside.
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Old 04-05-2012, 12:07 AM   #22
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Condensate Drain Line Mystery (pan full but no primary clog?)


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Your momma. Just kidding.

Yes, ordinances do vary and perhaps that should have been touched based on in the first place. Know that around here, and perhaps I overshot the mark a bit as there have been a few times where I myself have dug a French drain for the main condensate, it is more than okay by code to tap into the plumbing stack. I think it's been well over a decade since I've even seen a main drain go to a French drain outside.

Ok, all is well!

Yes, they've had me drain the lines into french type drains down here. We are not allowed to drain into sewer lines because everyone is on septic in the county. I don't know about the city requirements though.

God Bless, Ralph

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