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Home Repair (alt.home.repair) For all homeowners and DIYers with many experienced tradesmen. Solve your toughest home fix-it problems. |
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#1
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General plumbing question
I am running 1/2" copper lines in a crawl space to a double sink I am
installing... My question is this... Is there a "general height" at which the 1/2" lines come out the wall....I am thinking about a foot off the floor should be good. Is there a general rule of thumb? Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Thoughts? Thanks... Jim |
#2
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General plumbing question
"Jim" wrote in message
I am running 1/2" copper lines in a crawl space to a double sink I am installing... My question is this... Is there a "general height" at which the 1/2" lines come out the wall....I am thinking about a foot off the floor should be good. Is there a general rule of thumb? Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Thoughts? Thanks... Jim If you have the bathroom cabinet, best to place it up against where it will go and see where the best place for the pipes will be. If you are too accurate with where the drain comes out of the wall, it might come right out where a drain from a sink is coming down for example. Or a valve might get in the way of a drawer. Or be too high and hard to get to with a wrench once the cabinet is in place, etc. |
#3
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General plumbing question
Jim wrote:
I am running 1/2" copper lines in a crawl space to a double sink I am installing... My question is this... Is there a "general height" at which the 1/2" lines come out the wall....I am thinking about a foot off the floor should be good. Is there a general rule of thumb? Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Thoughts? Thanks... Jim Saving elbows??? Are you serious? You are talking about your house plumbing. What can an elbow or two cost? |
#4
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General plumbing question
Bob F wrote: Saving elbows??? Are you serious? You are talking about your house plumbing. What can an elbow or two cost? With today's copper prices, probably $1.45, then there is the frictional flow / pressure losses... |
#5
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General plumbing question
On Feb 1, 3:29*pm, "Jim" nospam@wherever wrote:
* * *I am running 1/2" copper lines in a crawl space to a double sink I am installing... My question is this... Is there a "general height" at which the 1/2" lines come out the wall....I am thinking about a foot off the floor should be good. Is there a general rule of thumb? *Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Thoughts? *Thanks... Jim Jim- Do the job right....hot on the left / cold on the right. Supply lines come out of the wall at about the same height as the drain. Too high makes access to them (hidden by the sink) more difficult, too low and they're behind all the stuff in the cabinet. A foot is kinda low...I'd do them at 16" to 18"....maybe even 20". Check the vanity for a good fit. cheers Bob |
#6
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General plumbing question
On Mon, 1 Feb 2010 17:29:54 -0600, "Jim" nospam@wherever wrote:
Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Face the opposite direction and you should be fine. Thoughts? Thanks... Jim |
#7
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General plumbing question
On Feb 1, 8:29*pm, mm wrote:
On Mon, 1 Feb 2010 17:29:54 -0600, "Jim" nospam@wherever wrote: *Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Face the opposite direction and you should be fine. Thoughts? Thanks... Jim- Hide quoted text - - Show quoted text - If you use flexible hoses from the shutoof to the faucet, it's not critical which side they come out. afoot above the vanity floor is probably 16 or so inches above the room floor. |
#8
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General plumbing question
Completely WRONG information here.
Soundhaspriority wrote: Each elbow reduces your water pressure by 10%. 10 elbows = no water pressure. Robert Morein Dresher, PA (310) 237-6511 (215) 646-4894 |
#9
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General plumbing question
On Feb 2, 11:52*am, Steve Barker wrote:
Completely WRONG information here. Soundhaspriority wrote: Each elbow reduces your water pressure by 10%. *10 elbows = no water pressure. Robert Morein Dresher, PA (310) 237-6511 (215) 646-4894- Hide quoted text - - Show quoted text - Even if that WAS true!!!!! Mathematically ................... 1 divided by 1.1 (to represent a reduction of 10%) ten times = 0.39 or roughly 40% of the original amount. OR: If you wish, 1 multiplied by 0.9 (10% percent reduction each time/elbow) ten times = 0.35 or roughly 35% of the original! In other words 90% of 90% of 90% etc. etc. Not ten times 10% = 100%. To put it another way; suppose one had $100 and told your ten relatives that you would give the first one you met 10% of the 100, that person would get ten dollars. The next one you met you would give 10% of the remaining $90, or $9. The next would get 10% of the remaining $81, or $8.10 etc. etc. After the tenth relative there would be $34.86 left over? Or have I missed something? |
#10
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General plumbing question
On Feb 2, 9:28*am, terry wrote:
On Feb 2, 11:52*am, Steve Barker wrote: Completely WRONG information here. Soundhaspriority wrote: Each elbow reduces your water pressure by 10%. *10 elbows = no water pressure. Robert Morein Dresher, PA (310) 237-6511 (215) 646-4894- Hide quoted text - - Show quoted text - Even if that WAS true!!!!! Mathematically ................... 1 divided by 1.1 (to represent a reduction of 10%) ten times = 0.39 or roughly 40% of the original amount. OR: If you wish, 1 multiplied by 0.9 (10% percent reduction each time/elbow) ten times = 0.35 or roughly 35% of the original! In other words 90% of 90% of 90% etc. etc. Not ten times 10% = 100%. To put it another way; suppose one had $100 and told your ten relatives that you would give the first one you met 10% of the 100, that person would get ten dollars. The next one you met you would give 10% of the remaining $90, or $9. The next would get 10% of the remaining $81, or $8.10 etc. etc. After the tenth relative there would be $34.86 left over? Or *have I missed something? The pressure won't be lower unless there is water flow!!!! |
#11
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General plumbing question
First, go to the store and see how long are the flex tubes
from the shutoff to the sink. That will make some of the decision. I'd want the hot on the left, just cause it's standard. -- Christopher A. Young Learn more about Jesus www.lds.org .. "Jim" nospam@wherever wrote in message el... I am running 1/2" copper lines in a crawl space to a double sink I am installing... My question is this... Is there a "general height" at which the 1/2" lines come out the wall....I am thinking about a foot off the floor should be good. Is there a general rule of thumb? Also in saving elbows my hot water side will come through the gyprock on the right hand side instead of the left...should that really matter? I personally don't think so.. Thoughts? Thanks... Jim |
#12
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General plumbing question
Haz he got won thing wright, Yett?
-- Christopher A. Young Learn more about Jesus www.lds.org .. "Steve Barker" wrote in message ... Completely WRONG information here. Soundhaspriority wrote: Each elbow reduces your water pressure by 10%. 10 elbows = no water pressure. Robert Morein Dresher, PA (310) 237-6511 (215) 646-4894 |
#13
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General plumbing question
Stormin Mormon wrote:
First, go to the store and see how long are the flex tubes from the shutoff to the sink. That will make some of the decision. I'd want the hot on the left, just cause it's standard. And you don't want the next buyer of the house to question the while plumbing system? Wonder if the inspector would say anything about this? |
#14
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General plumbing question
On Wed, 03 Feb 2010 15:35:09 +1000, Soundhaspriority
wrote: wrote in message On Feb 2, 11:52*am, Steve Barker wrote: Completely WRONG information here. Soundhaspriority wrote: Each elbow reduces your water pressure by 10%. *10 elbows = no water pressure. Robert Morein Dresher, PA (310) 237-6511 (215) 646-4894- Hide quoted text - - Show quoted text - Even if that WAS true!!!!! Mathematically ................... 1 divided by 1.1 (to represent a reduction of 10%) ten times = 0.39 or roughly 40% of the original amount. OR: If you wish, 1 multiplied by 0.9 (10% percent reduction each time/elbow) ten times = 0.35 or roughly 35% of the original! In other words 90% of 90% of 90% etc. etc. Not ten times 10% = 100%. To put it another way; suppose one had $100 and told your ten relatives that you would give the first one you met 10% of the 100, that person would get ten dollars. The next one you met you would give 10% of the remaining $90, or $9. The next would get 10% of the remaining $81, or $8.10 etc. etc. After the tenth relative there would be $34.86 left over? Or have I missed something? Yes. I almost have two doctorates from Drexel University in Engineering. I'll have to remember to hold that against any job applicants with degrees from there. |
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