Questions tagged [water-pressure]

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New Pressure Tank Woes

I have a new pressure tank (WX-202) and don't think it's set up properly. Set at 40/60, I should have a drawdown of 5.4 gallons according to spec. I'm getting about 3.5 gallons before the pump kicks ...
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1answer
336 views

Drawdown Factor and Boyle's Law

Yesterday I posted a question concerning a pressure tank and Boyle's Law. I understand the concept of P1×V1=P2×V2. Now, there is a website claiming to use Boyle's Law to determine the drawdown of a ...
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2answers
1k views

Low Ice Maker Water Line Pressure

I've been puzzling over the problem for a couple of hours now, where my fridge has very low water pressure at the outlet of the ice maker supply line. The line is 1/4 in copper and uses a 1/4 ...
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2answers
122 views

Very slow leak out of main line at elbow out of concrete

So at the top of that 90 elbow it is a very slow leak and into the concrete is another slow leak off same elbow... I tried soldering but it just falls right off/breaks even when it becomes a molten ...
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2answers
126 views

What type of valve optimizes water pressure in new low-flow showerheads?

We are installing a shower with a handheld and a fixed showerhead fed by 1/2 inch pipe. Available valve systems are either: A single function thermostatic valve, rated at 10.0 gpm, with separate ...
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1answer
630 views

Can I install water filters in parallel to abate pressure loss?

I'm considering adding a whole house filtration system. I know these have flow limits and cost pressure. If I installed two in parallel would that abate the pressure and flow drops?
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1answer
13k views

well pressure tank losing pressure

My well pressure tank has this symptom... Tank cycles about every 4 minutes without any water running. checked the pressure and it is where it should be. In between cycles I can see the pressure dial ...
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1answer
601 views

Franke Ascona kitchen tap dripping with intermittent flow

My Franke Ascona kitchen tap (only 2.5 yrs old) recently started dripping from the faucet. Pretty sure it’s the hot side that’s dripping as water is tepid or room temp rather than ice cold. ...
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62 views

What size RPBP/RPZ should I use for a 3/4" city water meter?

A friend has a 3/4" (0.75") water meter at their 1.3 ac property. We want to do some fertigation with their irrigation so we're looking at a Reduced Pressure Backflow Preventer. The main line for the ...
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2answers
429 views

Cold water only dribbling from faucet

i have a cascade style (water runs over top of faucet) faucet in bathroom. It's only a few months old and cold water was fine at beginning but has gone down to a dribble. Other cold taps are okay. Can ...
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2answers
379 views

low water pressure in house caused by hot water tank coming off main before cold?

We bought our house a couple of years ago and it is old and was previously divided into 4 apartments. It had two water tanks installed and we had one of them removed and we also had a plumber do a ...
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3answers
5k views

Intermittent Water Pressure on a Well

Bought a house 6 months ago. It has a well, the water pressure was never amazing but it was fine. Last week it started to get bad so I checked the well pressure. The switch was designed for 40/60 but ...
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2answers
6k views

Any ideas why my shower pressure suddenly dropped?

Our shower used to have great water pressure, as does all the taps/faucets in the house, but recently it just went down to a trickle. Some initial googling suggested it was most likely a blockage in ...
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2answers
47 views

Water pressure problems

I was going to remove a tub so I turned off what looked like in my basement, but that one just seems to spin and spin and spin. The hot water valve closed and 2 other secondary from that main looking ...
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1answer
332 views

Dual pressure switch / dual pressure tank issues

I have an Airaider ez radon bubbler right after a filter and my pressure tank / pressure switch for my well. The radon bubbler has its own pump and pressure switch. After the radon bubbler is a ...
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2answers
147 views

How do I get more shower flow volume?

We just moved from our old house which had great shower pressure to our new house which is pretty pathetic. I'm trying to figure out what/where the problem is. The old house was built about 40 years ...
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1answer
846 views

Water pump as air compressor? [closed]

I've googled this, but found no satisfactory answers. I've found a diaphragm pump on amazon for $20, but it has one problem- it's designed for water. I specifically need a diaphragm pump/compressor, ...
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2answers
3k views

Can a tankless water heater outlet pressure be increased without a second heater?

My father-in-law has a five-bedroomed house with three bathrooms, two of which are in use. The household is gravity-fed with a cold water tank on the roof, and a gas-fired tankless water heater on the ...
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2answers
267 views

Boiler losing pressure only when central heating is on, and only a little, leak?

I have a MAIN 30 HE boiler and it loses pressure when the heating is on, seems to be fine and no loss of pressure if the heating is not on or only use hot water. Would this indicate a leak somewhere, ...
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1answer
891 views

No pressure in my bathtub cold water

For some reason I don’t have any pressure in my bathtub cold water side but the hot water runs wide open any idea why I’m not getting hardly any pressure to my cold water side? It’s separate handle ...
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2answers
140 views

New 1/4in plumbing shakes when cold water shuts off; worried?

I had a 1/4in line run from my basement to a new kitchen refrigerator, using a saddle valve coming directly off the 3/4in main (it's the first tee off the street essentially). Every time cold water ...
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1answer
69 views

City water connection - can they make a connection at a hose bib?

I'm converting from well system to city water. My well pump and water inlet are in the back. I have a hose bib on the front of the house which would save money using less pipe/digging. So couldn't ...
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2answers
142 views

No hot water and low pressure

I have a Moen Banbury faucet in my bathroom. Over the last month or so I have noticed both reduced water pressure and no hot water. When I turn the hot handle, the water flow doesn't change all that ...
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2answers
3k views

Water pressure low due to small pipes - any options?

I bought a house and found out too late that it appears the entire upper floor is supplied from one small pipe. So if you flush the toilet or wash your hands while someone is in the shower, they get ...
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0answers
221 views

Combi boiler on 2nd or higher floor - how to tell if water flow and pressure is sufficient?

The combination boiler in my house has to be moved, and one idea is to put it in the loft space to free up a decent amount of space in the main part of the house. The house isn't big, so this would be ...
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3answers
1k views

changing water pump outlet connection from 1.25-inch to 1-inch, how to calculation flow and pressure

Submersible well pump with 1.25-inch outlet connection I've changed to 1-inch how to calculation the flow and the pressure? Here's the submersible well pump details with standard 1.25-inch outlet ...
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2answers
3k views

Replacing pressure gauge on water holding tank

The water coming in from the well is supplied by thick rubber type pipe cut and angled with metal bands. There is no cut off valve to the water holding tank. I need to replace the pressure gauge (...
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1answer
260 views

Type of valve to use on PVC misting system

I am making a misting system for my back patio that consists of 1/2" pvc and connectors that have the misting nozzle drilled. I am putting a nozzle every 2 feet and going about 30 feet down my patio ...
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1answer
40 views

Plumbing water pressure

I turned off water supply to house to replace shower cartridge. Water off for three or so hours. Turned water back on and "flushed" the lines. A few days later, turned on pool filler and got low ...
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2answers
286 views

Can only use 1 water source at a time? Shower stops running when faucet is on, vice versa

Ever since someone came to repair our sprinkler system, our water sources have been completely jank. If I'm using the water faucet to wash my hands and someone flushes the toilet, the water to the ...
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0answers
250 views

Water pressure is very unstable

I'm having some very weird issues with the water pressure in my house. When nothing is running, the pressure reads 110 PSI. Obviously I want this to be lower. When the toilet is flushed, the pressure ...
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2answers
117 views

PVC pipe transition from 1 1/4“ to 3/4”, in lawn application - will joints hold?

My main run is 1 1/4" PVC. If I reduce straight to a 3/4", will that blow out the joints? Should I transition to 1", then to 3/4"? The water source is well, with good pressure.
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2answers
11k views

What is the function of the metal mesh in the rubber grommet for the showerhead?

Our previous showerhead literally came apart in my hands, so I bought and installed a new one today. The first grommet connecting the ball joint to the shower pipe has a metal mesh disc in the middle....
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2answers
3k views

Does a pressure tank need to be near the water fixtures?

Currently my well only feeds my house, which contains the pressure switch and tank. The well is about 300-400 feet away from the house. I need to hook up some water troughs and an outbuilding whose ...
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1answer
2k views

Low pressure with shallow sand point, increased pressure tank to 86 gallon, how do I use more of the water in the tank before the pump turns on?

I have had really low water pressure. I have a 3 year old Sta-rite 1/2 hp jet pump and a 30' deep, 12 fixtures and a house built 12 years ago. I get about 3 mins of decent pressure then the pump ...
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1answer
4k views

How can I improve water volume with a half-inch supply? [duplicate]

I have a 1/2" pipe system in my house. The water pressure is very good if there is only 1 source of water open (bathroom faucet, kitchen faucet); but if there are 2 sources of water open then it is ...
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4answers
13k views

How often do I need to replace the home water pressure regulator?

While having my plumber determine what to do about a leak in my water main (city water supply), he mentioned that I should probably replace my house water pressure regulator if it hasn't been replaced ...
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1answer
93 views

Effects of changing pipe size on a water pressure regulator?

I am a biologist and am planning a research experiment. I need to control the water pressure into a drip irrigation system. The water supply is at ~60 psi through a 3/4 pipe. The irrigation emitter I ...
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2answers
364 views

Water pump that will not block water in case of power loss

I have in my house installed a water mist fire protection system. Currently it is connected directly to the main water system, which is of lower pressure than the nozzles are designed for. I would ...
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1answer
80 views

Reducing the water pressure reduction?

My house has a pressure reducing valve. I wish I had a bit more water pressure. Can I adjust this thing?
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1answer
5k views

Why would water pressure at my faucets change after turning off the water main for some time?

I turned off the main water to the house to perform a plumbing repair. The water was off for approximately 5 hours. During that time, I partially drained the water heater tank to flush it (forgot to ...
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1answer
114 views

Water Pressure Issue? First water heater leaked, then softener, now my washer long filled

My water heater was leaking from the top. I replaced it. The next day, the water softener tank is leaking. I turned off the valve to bypass the softener. Now my washing machine (brand new) errored ...
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2answers
499 views

Is it normal for a sprinkler system to increase water pressure to a house?

I'm having a sprinkler system installed and the PSI meter in my garage went from 85 psi to about 105 psi. Is it expected that a sprinkler system increases water pressure to my house? If not, is ...
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2answers
159 views

Why did the water pressure in my bathtub change but shower is fine?

First, to describe my tub/shower it is a one handle, one spout type setup where you pull up on the knob to direct the water flow to the shower (typical setup). Recently I noticed that when I go to ...
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2answers
252 views

Low water pressure

Our house was built in 1986. The water pressure has decreased gradually. About 4 years ago we replaced the submerged pump (we have a well and septic). It didn't help the water pressure. I adjusted ...
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1answer
101 views

Low city water pressure booster - when would it turn on?

If I were to install a pressure booster pump, would it work / be on consistently or is it only triggered by specific water pressure ranges? A plumber told me it would only kick on if the pressure ...
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0answers
42 views

What would cause my taps to start with low pressure and then climb?

Some of the taps in our home have similar behaviour: When you open them, the water takes a while to come out, and then if you open them a bit more water suddenly comes out very fast. This bugs me ...
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1answer
167 views

Losing water pressure in water hose while washing vehicle

We washed two vehicles today. The problem occurred while washing the second vehicle. The hose and nozzle remained the same while washing the second vehicle. While washing the second vehicle, the water ...
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1answer
128 views

Funky water pressure issues

I know that the pressure from the street is over 90psi in my area. I have a pressure regulator (about 5 years old) on my main line and when all faucets are off and not drawing water the psi is set ...
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2answers
268 views

Buffering Residential Water Pressure

My house is on a shared lot, and the water supply comes from a pipe supplied near the main house. We're not quite sure how everything is connected there, but from measuring pressure drops, we do know ...

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