Questions tagged [water-pressure]

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10 votes
5 answers
3k views

In what situations could "dirty water leak into" municipal water pipes besides a catastrophic loss of pressure?

Under an answer to How is the quality of tap water in Thailand? I commented: Usually water in pipes is pressurized so that it comes out of the tap when you open it; is "dirty water making its ...
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0 votes
0 answers
87 views

Can I run a water line from my well pump to a remote spigot?

We just moved into our house and it has a well system with a pump; everything works fine. On top of the pump, there is a water spigot to bypass the filtration system. On the outside of the house on ...
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1 vote
0 answers
56 views

How Can I improve the Pressure in my Shower When it's Fine in my Bath

I have a shower that connects from my bath - there's the tap for my bath and then there's a little metal rod that I lift up to redirect water pressure to my shower head. The water pressure is fine in ...
0 votes
0 answers
14 views

Anticipated water pressure drop in the water softener circuit, please advise

My existing water softener system consists of the following: Pressure tank -> Culligan Whole house filter (R50) -> Iron Filter -> Softener -> main line to the house There is an RO after ...
  • 1
0 votes
1 answer
47 views

Need for water pressure regulator when increasing supply line

I have city water at around 80PSI static pressure when measured at one faucet. There is some variation during the day but everything works well and I do not have a pressure regulator. Because of ...
0 votes
1 answer
65 views

Could this be my water pressure reducing valve?

Can’t seem to locate it. My house was built in 1986 on a slab.
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1 vote
1 answer
101 views

Has my home water pressure meter (or regulator) gone bad?

A few weeks back I started seeing water dripping from my water heater. Called in someone who said my home water pressure was 130 and causing the valve to “leak”. He said my water pressure regulator ...
0 votes
0 answers
63 views

low gallons per minute from main water supply

Our house (built 1953) has galvanized piping for the cold and copper for the hot water supply lines. We had good water pressure (85 psi), but low flow (2.5 gpm). I had a plumber replace the ...
  • 101
2 votes
1 answer
109 views

i have two water tank with same dimension and height therefore have the same water pressure, if I combine the two tank in one water line(supply))

What will be the water pressure on the water supply ? Assuming that i connect these two tank using pvc pipe and t-connector at the middle where the water line will be out
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0 votes
0 answers
15 views

Removal of RO system caused fridge water line pressure to drop

We had a RO filter system with a tank to hold the treated water connected to the fridge. Fridge water dispenser has great pressure for past 3 years. We are moving and we removed the RO system and ...
0 votes
0 answers
22 views

Water Filter System

We have a home built in 1920 with galvanized pipes. Is it okay to install a water filtration system using the galvanized pipes?
0 votes
1 answer
29 views

Well Pressure Switch Slipping from Original Setting

I have a ~600-foot well that provides water to my house. About a year ago, I adjusted the pressure switch to increase the water pressure in my home. It was set to 20/40 (Cut-in/Cut-out), which was ...
6 votes
1 answer
432 views

Why does my toilet overflow when I turn the sink tap on?

When I turn either this bathroom tap on, or another bathroom tap on, on the same floor, the toilet inlet starts letting in water. Please see this video: https://youtu.be/GIuwzwYNUrQ What's the cause, ...
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0 votes
1 answer
66 views

Loss of water pressure after replacing shower head

I recently installed a new shower head (30 bucks from amazon) and afterwards started to hear a high pitch sound when I turn the water on. It started off as on and off then one day the sound got really ...
1 vote
1 answer
95 views

Does Size of Pipe from Water Meter to House Affect Water Pressure?

Our irrigation guy said our builder's plumber installed a 1 1/4" pipe from the water meter to our house. He said he had never seen anything but a 3/4" or 1" pipe run from the water ...
1 vote
0 answers
83 views

Kitchen Faucet Low Water Pressure (Cold Only)

Have a single handle kitchen faucet. Hot water pressure works fine, but cold water has very low pressure (almost a trickle). Things I have tried: Cleaned the aerator (nothing blocking it) Changed ...
1 vote
1 answer
73 views

Does water pressure increase after restoring water flow after a supply cut?

Our landlord has sent a couple of workers to fix few things at home; while they where fixing stuff they've used a faucet which we use for drip irrigation. They removed our irrigation timer, take some ...
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0 votes
3 answers
161 views

Is there a benefit of running a 1in pipe off a 3/4 pipe for irrigation

I have a 3/4 in. pex water line coming out of my meter to my house. I would like "T" that line and run a 1 in. pipe (or larger) off it. My question is, will I see an increase in flow in the ...
2 votes
1 answer
55 views

Tool to unscrew or remove the top portion of pressure regulating valve buried in ground

The pressure regulating valves are typically installed right by water mains where I live (in Texas). They are buried 1 ft+ deep and a circular tube is installed for you to access the top screw to ...
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0 votes
0 answers
15 views

Single-handle kitchen sink having low pressure on one side at a time

I had a plumber replace a two-handle sink faucet with a single-handle one. But the water pressure on the hot was just a trickle, but was normal on the cold side. The plumber was puzzled by this, so ...
0 votes
2 answers
89 views

Does a pressure switch need to be rated for a well pump motor size?

I recently replaced my well pump because I was told by technician it was bad. I replaced with a 3hp sitting at 360’ underground. We also replace control box, 86 gallon pressure tank and 40/60 pressure ...
0 votes
1 answer
56 views

Can changing the direction of a pressure reducing valve decrease the pressure by 20 psi?

I had a PRV installed horizontal at my house and my permanently installed pressure gauge showed a baseline supply pressure at about 60 PSI. I merely changed the orientation of the PRV to be mounted ...
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1 vote
0 answers
24 views

Information on ice maker water inlet for LG LFXS26973S refrigerator

My LG refrigerator after working fine for some time has started dripping water from the in-door ice maker. When I run a cycle, I can see that the water is gushing into the icemaker, where it launches ...
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0 votes
0 answers
24 views

Advice on installing a pressure reducing valve

Recently our water pipes started vibrating quite noticeably under high flow conditions--you can hear where the water enters the house from at least 20' away and the vibration is very obvious if you ...
0 votes
5 answers
82 views

What kind of water pump should I use to supply a tankless water heater from a non-pressurized water source?

I have a tankless water heater similar to this one, which I'd like to setup at a campsite where I'll have water but not from a pressurized source (e.g. a bucket of filtered river water). The heater I ...
  • 103
0 votes
2 answers
160 views

Water pressure drops in house when 2 faucets are one at the same time

I bought a house 2 years ago that was built in 1958. Had galvanized plumbing when I moved in and it was almost completely sealed off with rust. I had all the plumbing from the main line replaced a ...
1 vote
1 answer
97 views

well working without pump?

I recently bought a new house, and it has some out buildings with some hose bibs coming out of the ground. There are no city water lines in this area so it must be from some well. I've looked around a ...
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1 vote
1 answer
92 views

Increase Water Pressure To One Shower

I have a two story home built in the 70's. Water pressure is excellent everywhere in my house except one shower. I've tried replacing the shower head removing the shower head, and letting the ...
2 votes
3 answers
2k views

What could cause pulsating water pressure inside house?

My house has a city water supply. The water pressure is at 60psi. Whenever a faucet is turned on (hot or cold) or a toiler flushed the water pressure pulsates as seen in this video and all the pipes ...
0 votes
0 answers
32 views

Sump pump knocking after water flow if sent out

Our sump pump knocks rapidly, loud, and for 10-15 seconds each time water is ejected/discharged. -water flows freely out the exit pipe -i plan on changing the check valve today 3/23/22
0 votes
1 answer
183 views

Preventing the pump from sucking air when the tank is empty

I have a pump connected to a water tank. The city water fills the tank through a (mechanical) float valve (to prevent overfill). And the pump's inlet is connected to both the tank's outlet, and also ...
2 votes
3 answers
490 views

How can I stop pipes from vibrating / rattling / hammering after a new pressure valve was installed?

I tested the water pressure last month and it came up at 89psi. My old pressure regulating valve said it would only go to 75psi and turning the bolt didn't change the pressure, so I assumed it was ...
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6 votes
8 answers
3k views

How can I stop water flow in a pipe if the valve isn't working?

This cold fill is in the closed position but the water still runs. If my house has a stop tap, I can't find it (spent half a day looking, not mentioned in papers when I bought the house either). I ...
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1 vote
0 answers
51 views

Should I expect the same or lower water pressure when increasing pipe size for a shower?

I'm remodeling my shower with 2 body sprays, a hand held sprayer and maintaining the standard shower head. Currently I have 1/2" pipes and the new fixtures require 3/4" pipes. Should I ...
-1 votes
1 answer
46 views

Is it possible to plumb an appliance with a reservoir directly to a filtered water supply?

I have a Ninja CP307 coffee maker. It's great, but I hate having to fill it up with filtered water every day. It sits next to my fridge which I plumbed up to my reverse osmosis water system. I assume ...
0 votes
1 answer
76 views

Why is my water pressure high after using water and how do I fix it

When we use water in our house like the shower, dishwasher, washing machine, the next time we use the water the pressure is very high for a few seconds. It is causing my hot water tanks pop off valve ...
1 vote
2 answers
201 views

Is it possible to calculate water pressure by measuring the time it takes to fill a bucket with water?

We suspect that there is too much pressure in the water system of a friend's house. I checked the pressure regulator, the pressure gauge shows more than 4 bar (which AFAIK is way too much). However, ...
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0 votes
0 answers
26 views

Why is there intermittent air in my shallow well house water?

In the last few months I starting having air coming into the faucets of the house and low pressure. Through process of elimination I determined it was the water softener. I did a manual flush and ...
0 votes
0 answers
31 views

Tank pressure drops as water spigot runs, then pump shuts off

I have a well with a water hose spigot mounted between the well and pressure tank. When I run the hose the pressure drops and the pump comes on correctly. But, the pressure in the tank never builds ...
  • 1
2 votes
1 answer
504 views

Is there a height requirement for hot/cold washing machine supplies

Is there a minimum height requirement for the hot/cold water supplies for my washing machine? I know there are strict requirements for the drainage (i.e: the standpipe) but I could not find anything ...
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0 votes
1 answer
103 views

Why are my heat radiators only partially heated?

We moved in to a house around 6 months ago. I noticed that our radiators were not getting too hot so went ahead and bled them. I managed to eventually get water out of most of them however a couple of ...
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0 votes
2 answers
147 views

How can I stop a leak in a shower valve?

My shower valve leaks. It started leaking a couple of weeks ago and I replaced the cartridge. I had to re-use some of the old parts because the new ones wouldn't fit. The valve stopped leaking for a ...
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0 votes
2 answers
98 views

Can (inside) dripping faucet help prevent (outside) hose bib from freezing up

If I had left my (inside bath room sink) dripping could it had prevented my (outside hose bib) 20 ft away & on same side of house from freezing up & busting. I know freezing water expands and ...
-1 votes
1 answer
60 views

Replaced Tub Spout, now water pressure in the shower is weaker than before. Is there a water leak?

I hired a handyman to replace my Tub Spout with this one here: https://www.homedepot.com/p/DANCO-5-1-2-in-Decorative-Tub-Spout-in-Brushed-Nickel-10316/202562828#product-overview. Now the water ...
0 votes
0 answers
38 views

Trouble with water and electric hot water heater

So our cold water has low pressure and we've had water problems for over a year now, not sure if that matters. But I was doing the dishes and the hot water started to get cold but i figured someone ...
0 votes
1 answer
146 views

Pump takes a long time to kick in

I am having an issue that only happens on occasion. I haven’t been able to reproduce it at will yet. However, when it happens I get into a scenario where my pressure gauge will read 10 psi or so and ...
3 votes
1 answer
241 views

combining water pressure regulators to achieve a higher pressure

Can I combine two or more pressure regulators to achieve a higher pressure than their rated value? That is, in the following diagram would the output be 100 psi? I assume that I would need check ...
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-1 votes
1 answer
60 views

Why is my water pressure low after new system installed?

Well pump, bladder tank, and pressure switch all installed in the summer. Switch is set to 30/50 but keeps falling to low20s/50 psi. The bladder tank is not leaking, 28psi when emptied. Also ...
3 votes
1 answer
212 views

What is the best layout of s240u solar panels to heat a pool with limited width?

I have 6 SunHeater S120U panels as suggested for my pool size according to the Installation and Operation Manual using a ground install. However, I am limited to 10 feet of width, which with ...
0 votes
0 answers
24 views

Periferic or pressurizing pump to pull water up to a higher place?

I live up a hill where the water doesn't always reach my tank. The pipe runs up a gentle slope and halfway it doesn't have enough pressure to reach us. Searching for a solution I seem to have two ...

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