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ryan5068 05-20-2010 05:44 AM

Wet Bar Pump Question
 
Hey Guys thanks in advance for answering my questions. I am installing a wet bar and I have the ability to run the water lines without any problem. My question is the drain lines. I could cut into the concrete but that will be a mess and about 25' of cutting my floor. I've also looked at pumps that sit under the sink but one problem I may encounter is the venting of the pump. It would be about impossible to vent straight up through 2 floors then up through the roof. That is not something I want to do. However my question could I vent out to the side of the house instead of through the roof. Or could I tie into a water heater vent that is directly above the location I want to install the pump. If I could go out the side or tie into the wh vent I would be set to jet however if I have to go all the way up I may be screwed unless there is a good ventless pump that I could use. Thanks

The Engineer 05-20-2010 09:14 AM

When you say "Water heater vent" are you referring to the flue stack off the top of a gas fired unit? If its any sort of exhaust vent from the water heater, you do NOT want to tie into it. If its a vent from a floor drain next to the water heater, you can connect into it a minimum of 6 inches above the floor. I assume your wet bar is in the basement, is there are bathrooms nearby or on the same floor? If you can run to an existing vent horizontally in the ceiling, that would be your best bet.

What state are you in? Under some conditions you might be able to vent out the sidewall as long as you meet several requirements and gain prior approval from the inspector, you can't terminate the vent beneath any door, window or ventilated opening. You have to maintain at least 10 feet horizontally from any door, window or ventilated opening unless you are 2 feet above such opening. In Massachusetts, vent piping extensions may be installed outside the building with prior permission of the inspector and when all other means of venting have been eliminated or are not practical.

ryan5068 05-20-2010 04:28 PM

Wet Bar Vent
 
Okay thanks for the info. I do have a bathroom downstairs about 30 feet away from wet bar. I'd have to run my vent line through the I-joists and over to the vent stack. my bathroom sink is tied into that also and possibly other things under the floor. If I were going to tie into that I would have to do it directly over the ceiling. Is it okay to run a vent that far horizontal? Thanks

The Engineer 05-21-2010 09:00 AM

Yes, you can run a vent over 30 feet horizontal, just make sure you don't create any trapped sections in the vent line where water can accumulate.

Chucky Jesus 05-21-2010 12:25 PM

Sani-Pump
 
I installed a Sani-Pump (from Sani-Flo) in my wet bar. I vented the box up to the basement ceiling joists then right angled the tube to an outside wall between the joists. I then connected a right angled gray PVC elbow pointed down to the exposed piece of tubing outside. I covered the end of the exposed elbow with windows screen to keep bugs out.

If you don't vent the box, the pump will pull water out of your p-trap.

ryan5068 05-22-2010 03:30 AM

Quote:

Originally Posted by The Engineer (Post 444962)
Yes, you can run a vent over 30 feet horizontal, just make sure you don't create any trapped sections in the vent line where water can accumulate.

Okay so from the pump run a 3" line up the wall approx 8' feet then over 30' to the vent stack. Do I just use a standard 90 degree fitting on the vent stack then run it level the 30' then just straight down and that is all I have to do? Not sure what you mean when you say trapped sections in the vent line. Like do not install a P trap in the line somewhere?

ryan5068 05-22-2010 03:35 AM

Also does it matter if this is a wet vent stack as my lavatory drains into it? The sink line is 18" off the ground running to the vent stack then the water runs down but above the 18" there is nothing but 3" line running through the floors and up to the ceiling. Now another question I have already installed the sheetrock on the ceiling where the vent stack goes up to the floors but it is not enclosed on the vertical length of the vent stack. Is it okay to run the full 30' through the I-Joists then drop down below the ceiling because I still have access at that point of the job? Thanks again.

ryan5068 05-22-2010 03:38 AM

What diameter vent line do I use? I thought originally 3" but that seems to be overkill. Now that I am thinking about it 2" seems right.

ryan5068 05-22-2010 04:08 AM

I may just say screw it and get the Hartell LTA-1. The reviews are excellent and for what I am going to use it for I think it would be ideal. Let me know your thoughts. Google the motor and I'd appreciate your thoughts.


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