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Thread: Anyone attach a hose to their air compressor to drain the water?

  1. #1
    Join Date
    Mar 2014
    Location
    Houston, TX
    Posts
    384

    Anyone attach a hose to their air compressor to drain the water?

    So instead of spraying a nasty rusty mess of water all over the wall and floor I went to home depot to buy a cheap 25ft air hose to route outside to drain the water out of the air compressor. Worked great. The drain has a 1/4" npt fitting so I was easily able to screw the air hose to it then just roll it back up and place it beside the compressor until the next time. I got one of those smaller diameter blue semi see thru hoses that people like to use for their paint guns. I just wanted to mention this in case anyone else wanted to try it. Although I ain't the sharpest blade in the shop, so I'm sure this is standard practice. lol
    Last edited by Travis Conner; 11-15-2020 at 9:07 PM.

  2. #2
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
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    55,495
    Lots of folks extend the drain. It's practical to do so for sure. I did that originally, but later moved to an automatic drain device that takes care of things and yes, the tiny amount of moisture expelled each cycle is pushed out a hose by pressure from the tank.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  3. #3
    Join Date
    Apr 2013
    Location
    Okotoks AB
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    2,528
    The drain on my compressor is way under the tank and difficult to get to. I extended it about 12" with the valve on the end draining into a container. It probably collects as much oil as water, but it's just a crappy Husky compressor. I wouldn't recommend those at all.

  4. #4
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
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    5,430
    I extended the valve with pex then a automatic drain valve. Used an old worn out air hose to drain. Shoved a hose and clamped it over a nipple. Drilled a small hole through the siding for the hose to exit in the bushes.
    It took a few years to realize the hose does not have to gravity drain. that realization allowed the plumbing to get a lot easier.
    Bil lD

  5. #5
    Join Date
    Feb 2014
    Location
    Lake Gaston, Henrico, NC
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    5,314
    The Azalea bushes outside my shop get a little extra watering too, including the sharpening sink, that doesn't need a trap since there is no sewer gas involved.

  6. #6
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
    Posts
    5,430
    I have my bathtub drain so it dumps into a rockrose next to the house. the pipe extends about 18" beyond the house. My washing machine runs in 3/4 PVC and waters four fruit trees by my shop. Just open tees so nothing to catch lint and clog. I had to drill a small air hole just outside the wall or it could siphon the machine while it was refilling and never fill up. It sprays a little water but the orange tree does not mind. The cats do.
    Bil lD

  7. #7
    Join Date
    May 2014
    Location
    Alberta
    Posts
    1,755
    My shop compressor is on top of a mezzanine. I extended my drain with about 12' of plastic brake line connected with a brass compression fitting to the drain hole on my tank. At the other end of the line I have a ball valve. I can either open a man door and drain or spray into my sink in the winter to drain. This way it gets drained on a regular basis unlike when I had to climb a ladder to the mezzanine to get to it.

  8. #8
    Quote Originally Posted by Frank Pratt View Post
    The drain on my compressor is way under the tank and difficult to get to. I extended it about 12" with the valve on the end draining into a container. It probably collects as much oil as water, but it's just a crappy Husky compressor. I wouldn't recommend those at all.
    Thereís a Husky-branded drain attachment that you can install that makes this easy (I have one installed on my ancient IR SS3) so no need to do hose routing, just direct it into an old milk jug or something. Yes it scares the cat, sorry Jeeves.

  9. #9
    Join Date
    Jan 2010
    Location
    Tampa Bay, FL
    Posts
    2,413
    Mine goes from plastic tubing into a pickle jar. Only gets style points if you like pickles, but doesn't make a mess on the floor anymore.

    Doesn't seem to drain much water, so I don't think I'll be emptying it often. Might just evaporate.
    - "Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein
    - Without quitters, stampedes would never end
    - The difference between an amateur and professional is that the amateur practices until he gets it right. The professional practices until he can't get it wrong

  10. #10
    Join Date
    Dec 2005
    Location
    West Lafayette, IN
    Posts
    6,102
    I just slid a small pan under mine. One of the tin foil ones that came with a pizza hut order. Put a rock in it to hold it down.

  11. #11
    Join Date
    Apr 2010
    Location
    Nashville, TN
    Posts
    1,468
    I piped in a ball valve and hose, then routed the hose to an old plastic gas can that I rinsed out. I open the valve until I hear air coming out in the can. Take the can out and dump it every now and then.

    Auto-Drain would be nice, especially if mechanical. I have only seen these on large industrial compressed air systems.

  12. #12
    Join Date
    Feb 2003
    Location
    In the foothills of the Sandia Mountains
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    15,604
    I installed an ADV and plumbed it into a 5gal tank. Itís been running without issues since 2005. I do not run the ADV 24/7, only when Iím using air.
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    When I was a kid I wanted to be older...this is not what I expected.

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  13. #13
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
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    Bruce mine is similar. I wired mine so it sees power only when the motor does. It dumps a small amount each time it is energized then every 15 minutes or so.
    Bil lD

  14. #14
    Join Date
    Feb 2003
    Location
    In the foothills of the Sandia Mountains
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    15,604
    Quote Originally Posted by Bill Dufour View Post
    Bruce mine is similar. I wired mine so it sees power only when the motor does. It dumps a small amount each time it is energized then every 15 minutes or so.
    Bil lD
    Bill, it didnít occur to me at the time to wire into the compressor switch directly, I wish it had. I installed a simple lighted rocker switch into the belt guard.
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    Please help support the Creek.

    When I was a kid I wanted to be older...this is not what I expected.

    ---

  15. #15
    Join Date
    Sep 2009
    Location
    Medina Ohio
    Posts
    4,066
    I have the Harbor Freight auto drain that works pretty good it only works when the compressor cycles and only when it unloads.

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