Questions tagged [water-pressure]

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2answers
41 views

Is it weird for have a pressure regulator fail after 5 months? [closed]

We've been in our house about 5 years. 5 months ago we had knocking/whistling issues. We called someone and the plumber replaced our pressure regulator (not sure how old it was). Over the last 2 ...
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0answers
35 views

Is my shallow well pump broken?

Single-line 1 HP shallow well pump with preinstalled 5 gal pressure tank (one of these). Not attached to a well, but drawing water from a tank level with the pump. After a year of disuse, I started it ...
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1answer
59 views

Copper pipes making knocking sound when I turn the water off

I did bathroom reno and replaced bathtub and shower faucets locations and extended copper pipes a little. That's not the first time I weld copper pipes and I didn't have any problems in past. What I ...
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1answer
31 views

How should I Install a pressure reducing valve

I am installing a water pressure reducing valve right after water meter: Should I install a back flow prevention unit as well, & where? Should I also install a bypass line in parallel to switch ...
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0answers
31 views

What is causing my tap (faucet) to not work properly?

Background My flat is on the 3rd floor of a converted Victorian building and the mains water pipe to my flat has a booster pump installed on the ground floor to improve water pressure. Whenever any ...
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4answers
101 views

Hose splitter leading to low pressure

I recently added a garden hose splitter to my bib in my garage and outside, to be able to use 2 hoses at the same time from the same bib. I would sometimes need to run both my garage bib and outside ...
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1answer
44 views

Can I use a .006" (.15mm) orifice mist nozzle on a mid-pressure patio misting system?

Specifically, the pressure is around 200 PSI. I get the impression from what I have Googled that .006 and below may only work for high-pressure systems.
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1answer
36 views

Replacing a water pressure regulator valve that's not screwed in

My pressure regulator valve (PRV) is bad and I need to replace it. After removing the insulation around it, it looks like the union fittings aren't actually screwed into the PRV. It doesn't leak or ...
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0answers
37 views

Draining water in the house

I have a two story house plus a basement. It's an older house and the water pressure isn't that great. I've seen a little crud on one of the screens on a sprinkler timer that's hooked up to a spigot ...
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1answer
51 views

When turning the main water off for extended absence, should the system be kept pressurized?

It seems to be the general recommendation to turn off the main water supply when you're away from the house for longer (some even recommend it for overnight absences). My question is: Should the water ...
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3answers
86 views

is my well pressure tank waterlogged?

Is my well pressure tank permanently waterlogged, do you think? I have a private well that's about 100 ft deep. I have an old WellMate WM-25WB pressure tank. It's fed by an old Myers ¾ HP submersible ...
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1answer
90 views

Do I need to dig another well or give up an connect to city water?

My water all a sudden stopped working so I replaced the well pump. Even after buying a new well pump I still didn't have any water. I called out a plumber he said I would need a repipe and we would ...
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4answers
1k views

Can I replace a shower cartridge with the water on by forcing it against the water pressure?

My cold water valve is frozen open, water is leaking from the spout and the building won't turn off my tier for 2 weeks.
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1answer
95 views

Looking for advice / critique on my residential well water filtration system

I'm looking for some feedback on my planned well water filtration system. I tried to be as detailed as possible without writing a wall of text. Any feedback is highly appreciated! House: 4 bedroom / ...
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0answers
14 views

Water pressure builds up slower then normal

We had no water for about three days due to a leaking valve, but after we fixed the valve and start the pump the pressure tank takes more then 10 minutes to fill up(usually it’s less then a minute). ...
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0answers
30 views

Water pressure issue

I ran my water to fill my pool last night while sleeping. I woke up to no water. I tried to reset my pressure switch and it would run and cut out at 60. But then it would drop quickly all the way back ...
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0answers
11 views

Single Lever Faucet runs sporadically

I have 2 Single Lever Kitchen Faucets one works fine with no problems but the other adjacent one runs sporadically. Often no water (either on hot or cold) other times low pressure and then out of the ...
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1answer
33 views

How can I lower the water intake on my booster pump from the main water pump?

I have a 25 foot shallow well for water sprinkler with 2 horse power barracuda pump. Low pressure so added 3/4 hp barracuda booster pump. Booster is dry running for lack of water from main pump. How ...
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0answers
53 views

upstairs bathroom plumbing after non use for 10 years

upstairs bathroom had a leak from tub over 10 years ago bathroom was shutdown and basement bathroom was used in mean time. i was gone from house for 3 years during that time ex gutted bathroom. took ...
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0answers
31 views

How much of a difference does the valve make on water pressure when picking out a new shower faucet?

I'm remodeling my master shower and will replace my old faucet with a new one (valve included in the new package). I want as much water pressure as possible. Should I only look at the gpm on the ...
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1answer
38 views

Does a pressure tank for a shower to boost a gravity-fed system need to be a certain size

I have a water tank giving me +-14.5m of head (gravity-fed, no pump). I also have a Toto brand Ecowasher, which is a bidet function toilet seat. Unfortunately the Ecowasher is not very effective ...
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0answers
35 views

Get water from pressure tank when pressure from direct provider is low?

I'm planning on DIYing our water tank and water pressure tank but need help on a few things. My plan is to have 2 water inline going into our house main line. First water inline will be direct from ...
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0answers
20 views

Water flow rate reduction without pressure reduction

My main water line can deliver 15 gallons per minute at the input side of a sprinkler manifold. What kind of device can I use to deliver a regulated reduced flow rate without reducing the water ...
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0answers
22 views

Sprinkler Zone Drops in Pressure

I have a situation I've never seen previously. I have a zone of sprayheads (popups) that should have sufficient pressure, based on testing of the system GPM (15gpm) and the requirements of the six ...
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1answer
45 views

Water Pressure question and pipe sizing

I recently ran some 3/4id poly pipe from my house about 300ft down a slight hill to my shop and garden area. I was not able to tie directly in to the underground pipe in the yard because my pressure ...
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2answers
69 views

Could a pressure relief valve that drains up cause my water heater to explode?

In the case of a big pressure build up, could this "hypothetical pressure relief valve" piping installation indicated in black below cause my water heater to explode? What could be the ...
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1answer
115 views

16 showers , 6 toilets, 8 sinks and 6 urinals what size of water pipe should be for the supply?

I have building with 16 showers , 6 toilets, 8 sinks and 6 urinals what size of water pipe should be for the supply?
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1answer
46 views

well pressure tank / external spigot

I have an outdoor spigot (like the old red "pump handle" kind) in my back yard. It's down the hill from the well and pump, and in between the house / indoor pressure tank and the well head. ...
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1answer
60 views

Well - Water - Plumbing, Setup advice

We have a well system in our home, which is multi-story (basement and 2 floors), and I am looking to optimize the setup of the system to make it more efficient. As you can tell from the photo whoever ...
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1answer
46 views

Could old gate valves be causing low pressure at the faucet?

We installed a new sink/faucet last year and the first faucet we had installed had super lower water pressure which we assumed was the faucet. We replaced the faucet and the pressure improved slightly ...
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0answers
59 views

Sink faucet only flows when barely open

I closed the hot water valve under my bathroom sink and reopened it last night, and since then I'm seeing a strange problem. If I barely turn on the faucet on hot I get water flow, but if I open the ...
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3answers
120 views

Pressure Tank Size for a Variable Speed Submersible Pump

Information seems vague or non-existent from pump manufacturers. I need to know what size pressure tank is required for my setup, and all I'm getting is "doesn't need much" or "x ...
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0answers
35 views

Odd water pressure drop throughout house after running hose outside

We have a well pump with a pressure tank. On two separate occasions, the wife and kids were running the water outside, connected to a slip n slide type of thing, going down the slope next to our ...
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1answer
48 views

How do I plumb an ADU from a well?

I'm planning to put an ADU (accessory dwelling unit) studio apartment over my garage to use as an office / spare bedroom. The garage is about 50ft from the house, and my house is on a well system with ...
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2answers
49 views

Why is the water pressure suddenly high in my toilet after hot water heater replacement?

I got my hot water heater replaced this morning. Immediately after the water pressure in my toilet became very high. When flushed it’s so forceful I jump. I noticed a noise when the guys were still ...
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2answers
73 views

Main water line from 3/4 to 1in, meter and pressure

I come here with a question since the plumber from a company that I called earlier this week gave me conflicting information compared to what I've read online. I've purchased a house last year and I ...
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1answer
34 views

Low water pressure for water filter cartridges

Will these filters still work on Low Water Pressure? These are the standard 10 inch filters. I know that overpressure can render the filters useless. but how about low pressure? will it still work? ...
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2answers
68 views

What else can I try to resurrect my kitchen faucet?

I flushed my water heater today, and carefully turned a faucet back on that had the aerator removed to hopefully flush sediment out through that one. After that, I did the rest of the house faucets. ...
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1answer
85 views

Why is my water well tank staying at a constant 40psi even when faucets are turned on?

I have a older style bladder tank that is about 6ft tall. Pressure gauge always reads 40psi, it never gets above or below 40psi. The pressure switch never kicks on or off because the pressure never ...
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2answers
81 views

Why does my water hammer arrestor ask for 5psi less than house pressure and not 10 psi or 20 psi?

I have Watts LF150A water hammer arrestors attached to the hot and cold supply valves for my washing machine (my LG washer is crazy about the water hammer). The LF150A instructions say to add pressure ...
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1answer
51 views

Plumbing fixtures starve but water pressure 50 psi

We can't run a shower along with any other fixture in the house or it will slow to a trickle. I've measured the pressure with a gauge and we get ~110psi before the pressure-reducing valve and ~50psi ...
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2answers
182 views

Low foghorn noise after new pressure reduction valve and expansion tank installed

A plumber recently installed a new pressure reduction valve and expansion tank in my house (which previously had neither) because the water pressure was unusually high. About a week after the install, ...
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2answers
34 views

Submersible water pump pressure

I'm terribly new at this and have no idea what I'm doing so please do bear with me. I have a submersible pump that I want to use in a small rainwater tank to water my garden either through your ...
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1answer
82 views

After a water main line repair on our street, our hot water stream for the bathtub suddenly is very weak. Could the pipe be clogged by debris?

Situation as described in the question. We first suspected a partial freeze (temperatures have been extremely and unusually low here in Austin), but even after hours of running the steaming hot ...
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2answers
142 views

Trying to plan a pressure-tank + air compressor for raising home water pressure

In my place, the city water system provides the water at pressure of between 2BAR - 4BAR. We live on the 3rd floor, with water boiler on the roof (5th floor) so the hot water are going up to the roof ...
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1answer
81 views

Water only come from hot water faucet when I turn on both

I have a situation where all hot water faucets in my home give me a dribble and eventually turn off. However, if I turn on the hot and cold, and turn on another hot water faucet nearby, then the ...
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1answer
80 views

Extreme cold: Pipes seem ok, except hot water for bathtub which only trickles, despite being closest to water heater. Can it be frozen? Burst?

Situation as described in the question. We have a peer & beam foundation. I already went under the house to check for a possible leak. The bathtub pipes are impossible to get close to, but from ...
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1answer
112 views

Pipes freezing - different theories

When water freezes in a pipe and the faucet is closed the water between the faucet and the frozen part cannot escape. This leads to increase in pressure as more water freezes. Because as long as there ...
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3answers
423 views

Will an in line water regulator fix my tankless water heater trade off between pressure and hot water?

I had a contractor install a Rheem electric tankless water heater in my casita. I initially wanted a much larger one but he talked me into the Rheem 13 KW 2.54 GPM. When the unit was installed the ...
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0answers
25 views

Radon Bubbler losing pressure

My radon Bubbler pressure is set 40/60, and is a 35 gallon tank, and my well pump pressure is set to 40/60 and is 25 gallons. Regardless of the amount of water we use day-to-day, periodically the ...

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