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Help with drain line
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whitehawk
Senior Member


Joined: 20 Dec 2006
Posts: 36
Location: Bellingham, WA
Expertise: I love coffee

Espresso: ECM Giotto Classic, NS Appia
Grinder: Baratza Forte
Drip: French Press
Roaster: Behmor 1600
Posted Sun Sep 1, 2013, 4:13pm
Subject: Help with drain line
 

So I'm going to be plumbing in my espresso machine and it is turning into quite a project.  We have an empty wall in our kitchen that I'm going to be installing cabinets on, but I'm going to run a new circuit there and a water line to plumb my machine in first.  Whats unfortunate about it is that it is on the opposite side of the kitchen from the sink, and we're on a concrete slab (no basement/crawl space to run lines in).  Luckily my fridge has a water line to it, which is ~8' away (and 3x 90 degree angles...) from the machine.  I'm going to tee off that line, running 1/2" copper, installing a filter system (which I'll probably post a new thread on soon).  I would like to run a drain line if at all possible.  From my understanding, I don't need this to be vented.  My only option for draining is to run it 8-9' (sloping down 1" per 1') to my washing machines drain line.  I came across a thread of someone doing this at HB and saw that he had to include a p-trap to stop the sounds from the washer draining.  I'm thinking I'll run a couple of feet of plastic hose from the machine into the cabinet, into some PVC + p trap that I'll somehow connect to the 2" black pipe the washing machine drains into.  

Any thoughts / ideas on how to do the drain line best?  The reason for the 3x 90 degree angles is because my furnace room just out into a corner of the kitchen a couple of feet.  Alternatively I could use a bucket underneath...  but a drain line sounds nicer if its possible to run it.  Thank you for your help!

whitehawk: EspressoDrain.jpg
(Click for larger image)

 
-Josh
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 720
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sun Sep 1, 2013, 4:39pm
Subject: Re: Help with drain line
 

It would seem from your drawing that your furnace is on a main floor and you don't have a basement. Usually, there is a sanitary sewer drain associated with your furnace to handle the condensate drain from air conditioning. At your location, you may not have air conditioning.... do you know if you have a drain in the furnace closet? This would make drain line much easier.

Also, back to the furnace closet. Is there a water heater in that closet by chance? If so, a domestic cold water line would be available in the furnace room and you can get water there. Also you might be able to install a filter in the closet to filter water for your machine.

Just thinking out loud... I know this is not what you asked... just wanted to make sure you weren't missing something simple to do it a harder way.

Are you sure you need a 1/2" line. A 3/8 pex line is very easy to work with if you don't need much water... by not much I mean 1 gallon per minute or less. Sometimes this works well for short runs and is commonly used on refrigerators with water in the door.
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whitehawk
Senior Member


Joined: 20 Dec 2006
Posts: 36
Location: Bellingham, WA
Expertise: I love coffee

Espresso: ECM Giotto Classic, NS Appia
Grinder: Baratza Forte
Drip: French Press
Roaster: Behmor 1600
Posted Sun Sep 1, 2013, 4:54pm
Subject: Re: Help with drain line
 

The water heater is in a different location, however the furnace is connected to a heat pump so there probably is a drain line there - I will look into that tonight because that would make my run 1/2 the distance and take out 2 of the 90 degree angles - thank you for that thought!

I am sure I don't need a 1/2" line, I just have all the materials on hand to run it and am opening the walls up anyway.  I don't know anything about pex, if its very cheap, OK to run in wall and easy to work with I might consider that instead.

 
-Josh
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 720
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sun Sep 1, 2013, 5:20pm
Subject: Re: Help with drain line
 

whitehawk Said:

The water heater is in a different location, however the furnace is connected to a heat pump so there probably is a drain line there - I will look into that tonight because that would make my run 1/2 the distance and take out 2 of the 90 degree angles - thank you for that thought!

I am sure I don't need a 1/2" line, I just have all the materials on hand to run it and am opening the walls up anyway.  I don't know anything about pex, if its very cheap, OK to run in wall and easy to work with I might consider that instead.

Posted September 1, 2013 link

There is certainly nothing wrong with 1/2". I was just hoping to make it easier for you since you don't really need much water. 3/8 pex line is easy to install and they have push on fittings that are easy to use. You can plumb it very fast. They even have 3/8" push on shut off valves.

The photo below is an example of a 1/4" push on shut off valve. Same thing is available in 3/8". You can probably get them at Lowes or Home Depot. The plastic fittings have been around several years and have been reliable. If you just cant go there, there is brass push on fittings too.

DeanOK: jg-14-shut-off-valve_1[1].jpg
(Click for larger image)
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whitehawk
Senior Member


Joined: 20 Dec 2006
Posts: 36
Location: Bellingham, WA
Expertise: I love coffee

Espresso: ECM Giotto Classic, NS Appia
Grinder: Baratza Forte
Drip: French Press
Roaster: Behmor 1600
Posted Sun Sep 1, 2013, 7:13pm
Subject: Re: Help with drain line
 

I was planning on using JG piping/fittings from the shut off valve to the espresso machine.  Thanks for the furnace idea - I took my intake  off the wall and sure enough there's a 1" PVC running through there that should be very easy to use and save me a ton of work on the draining.  I'm feeling good about it now =)  Next to post my ideas for the filter system and make sure I have it planned appropriately.  Thank you for your help!

 
-Josh
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