Water pressure question
- Thread starter joe0813
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joe0813
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ill head downstairs in a few minutes and see if it says any numbers on it. it looks more like 1/2 than 3/4 but im comparing to the plumbing I plumbed my tanks with sooo
Looks like 1/2 to me too. Like this
utility-technologies.myshopify.com
and a plumber will know and can swap them out to 3/4 in 5 minutes. Would also add a second ball valve on the other side of the meter while you’re at it.
PAIR 1/2" Water Meter Coupling, LEAD-FREE Brass, 5/8" meter nut x 1/2" Male NPT
1/2" Brass Meter Couplings Pair of 2 Lead-free Brass Pair of two meter couplings For 5/8" Water meters (aka 5/8" x 1/2") Lead-Free Brass (meets new January 2014 lead-free requirements of SDWA and NSF-61G) Female Swivel Coupling nut for 5/8" AWWA Meter threads (1" O.D. Nominal) on meter side...
utility-technologies.myshopify.com
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edd59
Well-Known Member
yes they are right but you can increase flow by increasing pressure, you cant increase pressure by increasing pipe size. only way to increase pressure is with a bigger pump.
you can put a 1" meter and you will have the pressure that the main is supplying
If you flush a toilet or run the washer does the shower go to a dribble?
You’re right, you can‘t increase the pressure from street without a pump, except we’re talking about the opposite. I.e. reducing the pipe size is reducing the water pressure
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Hard to tell from pics, especially trying to determine the coupler size. Think the reducing elbow is more telling. Think it looks more like this
than this
than this
Where’d you get this calculation?
Lets say the 5/8 meter is in fact reduced to 1/2”. The difference in flow between 5/8 and 1/2 is about 22%. I’m no math genius but if his psi is currently 35 that would be about 8 psi difference
I did, and there is no 1/2 meters so obviously there is no info on it. That’s why I asked where you got that calculation and why I used flow as a gauge to determine percentage. If we compare the smallest (5/8) meter to the next largest (3/4), there’s about a 50% difference in loss
Looks like about 50% to me, and it looks like there no 1/2” meters because, umm, there are no 1/2” meters
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joe0813
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I'm having my plumber friend come over this weekend to see if we can get rid of the 1/2 crap and seeing what his thoughts are about a booster pump. When we run the washer or dishwasher and shower we really don't have a pressure loss
edd59
Well-Known Member
it depends on if your talking standing pressure or running pressure. i thought your referring to standing pressure. running pressure, pipe size makes a differance because of static line pressure.
i dont think 6" of pipe will make a differance. the plumber who installed it and the building inspector who passed it know more than us. just leave it the way it is for a while, and see how it goes. you will not have a problem with your rodi with its own booster pump. that was your original concern. your over thinking it.
i dont think 6" of pipe will make a differance. the plumber who installed it and the building inspector who passed it know more than us. just leave it the way it is for a while, and see how it goes. you will not have a problem with your rodi with its own booster pump. that was your original concern. your over thinking it.
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