Questions tagged [water-pressure]

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1answer
7k views

Can air in pipes cause a faucet to catastrophically fail?

For about two weeks, I have been hearing a vibration and loud noise very time I turn on the kitchen faucet, mostly on the hot water side. If I turn to cold water it stops but periodicly when running ...
2
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1answer
5k views

Why use a Thinner Water Pipe to Branch off From a Tee

Sorry if this question sound naive. Normally in water pipes, when we see another pipe branch off from a T-junction, that pipe is a thinner one. Say, a 3/4" pipe will branch off only a 1/2" pipe in a ...
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0answers
241 views

Why do I have low hot water pressure in showers only?

I have 2 showers in my house. Suddenly the hot water pressure dropped in both. The cold is fine and we haven't noticed any change in the faucets in the house. What could make my hot water pressure ...
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2answers
32 views

Boiler Combi 24 pressure indicator always point to 0

I have a Boiler Combi 24 (UK) and this morning I just noticed that the pressure indicator is pointing to 0. However everything is working fine, I have heating and hot water. Usually when the ...
2
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3answers
504 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 ...
2
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1answer
3k 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 ...
2
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1answer
370 views

When designing plumbing, what is the most efficient way to pump water to a roof?

I am planning to pump water to the roof of my house in order to cool a solar panel array during warm days. I'm trying to determine the best way to route the water as the water source is on one side ...
2
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0answers
118 views

Where could the air in the water system be coming from?

We live on the top two floors of a small brownstone walkup. To get the heating to work upstairs I need to bleed the baseboard heater almost every other day. All faucets in the house sputter, and the ...
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3answers
63k views

What is the typical water pressure for a sprinkler system outside a home? [closed]

What is the typical water pressure for a sprinkler system outside a home?
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6answers
4k views

Would it hurt my water pump if installed a second water pump on the output of the first?

I have a well in my garden(17m deep, 1m diameter), in it there is a platform on which my water pump for my house sits. Before the water comes out my faucet or shower it travels across some 20 to 30 ...
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2answers
3k views

Why do I have almost no water pressure after installing a new valve?

We had a leaky shut off valve under our master bathroom sink. The valve appeared to be original to the house. That would put it in the 40 year old range. I replaced the valve with a new “Shark Bite”...
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2answers
175 views

Water tank will not charge

[Please forgive bad terminology - I'm new to this] My water tank doesn't seem to take a charge at all. I'm hoping to get some suggestions as to what is happening. I have a bladder tank. If just a ...
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1answer
58 views

How do I use this valve properly?

I have a valve in my heating system that I don't understand. I have searched on the internet but I haven't been able to find any information on it. What I do know is that the valve's purpose is that ...
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2answers
23k views

Max pressure I can set my well to?

I am new to having a well and the pressure in our house is OK, but not incredible. The well sits about 100 ft. from the house. We have 2 20 Gallon pressure tanks next to the pump. The pressure switch ...
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1answer
2k views

How to bypass a clogged water softener?

We have bad water pressure in the house all of the sudden, and I spent about an hour tonight trying to locate the general vicinity of the problem, and it looks like it may be our water softener. For ...
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3answers
61 views

Is a tank less water heater a bad choice for a house with low water flow?

We are thinking of replacing our current natural gas tank water heater by a high efficiency tank less heater. However we have a water main issue, the house is from 1930 and the main is partially ...
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3answers
3k views

Water pressure drops bad when using 2 appliances

Just bought a house. When using more than one anything in the house, the water pressure drops significantly. For exmaple: flush the toilet. While it's filling back up, the sink will just trickle ...
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2answers
70 views

Valve to select higher pressure water source

I'm trying to build an irrigation system which runs off city water supply and pumped water from a rainwater storage tank. To keep it simple, the idea is to have the sprinkler timer open a valve from ...
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2answers
31 views

T&P Valve dripping after connecting new lines to water heater

I put in a new bathroom right by my water heater, about 25 ft of hot and cold pex line. Ever since The day I turned on the valves to do a leak test, I've had a very slow drip from my temperature ...
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3answers
53 views

Pressurized Container Automation [closed]

Not quite home-improvement, however the engineering question lends itself to the expertise of the fine folks in this forum. I am interested in pressurizing a hopper of tennis balls with a device like:...
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1answer
157 views

Installing 2 shower heads

I'm about to finish the rough plumbing in my shower, wife wants 2 shower heads. I'm fine with it, but what are the specs for the pipe size? Can I buy 2 shower valves with 1/2" inlets or do I need 3/4"?...
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3answers
130 views

Water coming from the cistern is not capable of flushing the commode?

Its been months now that our water pressure is not enough to fully flush the commode, every time it must be filled manually or wait until it fills for the second time for a complete flush out.
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1answer
861 views

What type of water pump is also a valve (e.g. will resist head pressure when off)?

Many pumps, when turned off, will still pass water. If there's any pressure at all upstream of the pump, the impeller will turn and water will leak through in the forward direction. To prevent ...
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1answer
36k views

How high can I adjust water pressure in my well tank?

I have a well with a pressure tank that supplies household water. I'm replacing the pressure switch because it's old and faulty. I see that pressure switches come in 20/40, 30/50 and 40/60 psi presets....
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2answers
1k views

Plumbing - two cold water pressure tanks, both with bladders - low flow second floor

The house we bought has two blue cold water pressure tanks, both with bladders, and the system is set for cut-in at 50 and cut-out at 70. We noticed a tiny pinhole leak in a tee connection close to ...
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1answer
417 views

Low dynamic hot water pressure throughout the house

I recently bought my first home, and the first thing we noticed is that the dynamic hot water pressure is pretty low compared to the cold water pressure. I purchased a water pressure gauge and found ...
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2answers
147 views

How to tell if there is poor water pressure before my main shut-off valve?

I am troubleshooting some spontaneous and inexplicable water pressure issues. Overnight, without anything jumping out as obvious, our water pressure has dropped from "good/steady" to "barely existent"....
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2answers
3k views

How can I fix low water pressure from loft storage tank?

Since removing all pipes from our loft storage tank in order to replace the deck it was on and had soaked, I've successfully reconnected everything and fixed the leak in the tank. But now the water ...
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1answer
368 views

Pulsating (cold) tap water

When not running any warm water, and having my tap about half open, the cold water pulsates a bit. The stream moves forwards and backwards about half a centimeter. I'm assuming the pressure fluctuates....
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1answer
35 views

Low water pressure in a specific sink after turning off the supply lines

Water pressure is normal in my entire house, however, recently, I had to turn off the shutoff valves to a single sink. Since I closed the shutoff valves and then opened them fully, the water ...
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2answers
51 views

Solar powered water pump

I have really low water pressure in my home at about 15 PSI and sometimes even 0. I already have a check valve on my main 3/4" line from the water meter. Since electricity is pretty expensive where I ...
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2answers
432 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
888 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
83 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
1k 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
122 views

Using Larger Pipe than Water Inlet

My house has a 1/2" underground copper pipe providing the water supply. I am not quite sure how long the run is back to the meter/utility supply, but it's likely ~75-100ft. I actually got the chance ...
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1answer
2k views

How do I turn up the water pressure to my kitchen sink?

A while ago I had a "professional" contracted through a major company install a hot water heater in the basement: well the hot water heater works fine but the "professional" managed to turn the water ...
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2answers
9k views

Water pressure calculation from overhead tank

My overhead tank is at 12m height. From there a 50mm diameter pipe is running down and up to 50m horizontally and then raising from there to 6m to 3 bathrooms (no shower) and 3 wash basins. Is this ...
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2answers
3k views

Water pump and pipe size for maximum water intake?

Each floor is 12 feet in height. I already have the pump (Centrifugal Regenerative Self Priming 1HP Peripheral Type, Self Priming - 180sec At 3m STATIC SUCTION LIFT) and would like to know which is ...
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1answer
2k views

Low water pressure in both kitchen lines -

First some background; our house was built in '56 and has galvanized pipe Hot water heater is almost two years old We finished remodeling our kitchen last July and installed a new sink and faucet (...
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2answers
2k views

Why would I have little to no water pressure after reopening the main water valve?

I had turned off the main in my basement today so I could replace a couple of leaky valves in my basement bathroom and under my upstairs kitchen sink. turned on all the valves and opened up the main. ...
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1answer
59k views

How to repressurise a Baxi Duo Tec Combi 24 HE boiler

I'm currently having trouble trying to repressurise my boiler. Unfortunately, the YouTube tutorials and the manual look different to mine! I've also added photos below to help. Any help would be ...
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1answer
29k views

Well pump runs constantly; Pressure tank doesn't fill

I have a well and pressure tank (Well-X-Trol WX-250). Upon troubleshooting low water pressure in our home, I discovered that our pressure tank is never filling and our well pump is running constantly....
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1answer
1k views

Why is there no hot water in the kitchen after flushing our water heater?

My husband and I recently moved into a new house that has two water heaters. One is gas and supplies the main portion of the house, the second is electric and (as far as we can tell) only supplies the ...
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1answer
2k views

Why do I have almost no water pressure after installing a new kitchen faucet?

I installed a Price Pfister 533 single control kitchen faucet today, and for whatever reason my water pressure is next to nothing. It was perfectly fine before. What is wrong and how do I fix it?
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1answer
9k views

How can I replace this water pressure reducing valve?

Some of my taps were dripping slightly and it was recommended that I test the water pressure. After a few tests the pressure is 140 PSI in the house, which I understand is extremely high and I have ...
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4answers
5k views

Why is the water pressure so high from my overhead water tank?

We have recently rented a house and it has normal taps fitte, and a normal overhead water tank, but the water pressure is very high. The water comes out with so much pressure, that if I am trying to ...
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1answer
715 views

What could be causing this drop in water pressure?

I have a deep drilled well with supply lines split to feed the house and livestock watering respectively. The flow to the livestock line remains constant regardless of water usage in the house. But ...
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1answer
464 views

Low water pressure in house

My inside water pressure is very low. My outside pressure is good. I did disconnect an old water softener and just connected the input and output pipes from the softener together. I would like to ...
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1answer
32 views

Will replacing my jet pump with one that has a higher shut-off pressure increase the discharge pressure?

I'm currently using a pump with a rated shut-off pressure of 69 PSI to supply a house with water. It is sucking through a 1.25" PVC pipe that extends 1100' into a lake. The lift from the water surface ...