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1answer
45 views

How do I get acceptable water pressure when using two faucets on my 1/2" water main?

I have a 1/2" water main entry, and if I open water in 2-3 places in the house, the water pressure is very low. How can I fix this?
0
votes
2answers
161 views

Can I use diaphragm accumulators to maintain consistent water pressure?

This is needed for a place where there's a high pressure water but not always available.
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0answers
275 views

How can I determine why there is no water coming from my hot taps?

I'm getting no water from any of the hot taps in my house. The cold water taps are working fine. The central heating is also working. I have a combi-boiler. It's been fairly cold today in London, so ...
0
votes
1answer
80 views

Water pressure in upstairs sink lost after turning off main line to fix shower

So yesterday I had to replace the handle on the shower-- and because I couldn't access the valve to the shower, I had to shut off the main valve to the entire house. I switched out the handle and ...
1
vote
1answer
58 views

Diagnosing low faucet flow: Single faucet

I just purchased my first house. The lady I purchased it from was afraid of a few things, two of them being hot water and fast flowing water. The water heater was easy to adjust, but I'm scratching my ...
2
votes
1answer
2k views

What should I do about this Alpha HE CB33 Boiler pressure error condition?

I have an alpha he cb33 boiler which has stopped working this morning. Yesterday I removed a radiator for cleaning then put it back on and re-pressurised the system. It was working ok last night. ...
7
votes
4answers
19k views

Why does my kitchen faucet have low pressure after the water heater was replaced?

I recently replaced my water heater, and since then, the water pressure for my kitchen faucet is really, really, low. None of my other faucets seem to be affected (bathroom, shower, etc.). I can't ...
1
vote
1answer
169 views

How to prevent pressure from dropping from my water heater?

Until two weeks ago, my parents house used one water heater ( noted "1" on the picture) to provide two bathrooms and the kitchen with hot water. The bathroom on the first floor consists of a bathtub ...
1
vote
1answer
48 views

What is the cause and fix to water slowly coming out of an outdoor faucet when its turned off?

Regardless of how tightly I turn the faucet off, there is water that flows out. When I attach a hose with a spray nozzle, the water finds a way to leak out either at the faucet where the hose is ...
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0answers
61 views

How to prevent sudden changes in water temperature (shower)?

I have an apartment in an older building. The boiler apparently was recently replaced by the building manager in the past few years, but every time I take a shower, the temperature changes are pretty ...
1
vote
1answer
79 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 ...
3
votes
1answer
794 views

What could cause low hot water pressure only in the line to one shower?

In my house I have a water pressure issue: Pressure is fine everywhere except for the hot water supply to the second floor shower There is another shower in the basement that has good water pressure ...
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0answers
27 views

Pressure Testing plumbing - pressure drop over night

I'm pressure testing some PEX before I close in the walls. I pumped in 80psi of air around noon yesterday and it was about 60 degrees F. Was a solid 80psi from when i filled to to 11pm (11 hours). ...
1
vote
1answer
309 views

Will I notice a pressure drop going from 1/2“ pex to 3/4” CPVC then to 1/2" CPVC?

I'm replacing my older CPVC piping in my house and I have access to almost the entire house except the master bath area. At first, I thought it was being fed by a 1/2 inch line that I could just ...
2
votes
1answer
109 views

Descale municipal water supply line

I have a pretty old house (1910) and the water supply line from the street is ancient. I suspect it may be narrowed with scale, and/or manganese fouling (there is manganese in the local supply), ...
2
votes
2answers
98 views

How can I fix low water pressure in one shower?

I am experiencing low water pressure in one shower on the second story in my condo. The water heater is on the first floor. The shower downstairs has good water pressure. Every sink and toilet seem to ...
7
votes
3answers
4k views

What could cause water hammer after changing a valve cartridge?

I fixed my delta 1400 series shower faucet the other day by replacing the valve cartridge with a non-delta brand. Everything went well, until I turned it on, now the shower pipe is hammering. The ...
3
votes
0answers
53 views

How can I remove the residue that is building up in PEX tubing?

I have a pex plumbing system that has been slowly clogging / losing pressure. Our sulphur treatment system injects peroxide into the pressure tank then flows upstairs to the filter system. The ...
6
votes
1answer
798 views

Why would my pressure reducing valve fail after repairing my water main?

I had a main water line bust on my side of the water meter. After fixing it and turning water back on to my house my water heater T&P valve kept releasing spurts of water which found out it was ...
1
vote
1answer
730 views

well pump keeps turning on and off every few seconds

I woke up this morning to find that the water feeding the toilets in the house was full of dirt/mud/silt. After taking a look at my well pump system I found that the pressure switch keeps turning the ...
1
vote
1answer
69 views

No water pressure after new installation

We installed a new kitchen faucet and a new shower head and have no water pressure in either. All the plumbing in the house has been recently installed. We checked all the supply lines and ...
2
votes
3answers
118 views

Very low water pressure in house

I have a single stored house with an overhead tank and a one inch pipe running down. In bath rooms this one inch pipe is reduced to half inch as all our bath room fittings come with .5 inch gauge. I ...
6
votes
4answers
6k views

How can I stop high water pressure from causing leaks at the connection to my washer?

First of all, I've tried searching the questions for this but I haven't found anything that matches, but if this is a duplicate, my apologies in advance. I've just moved into an apartment, and in ...
2
votes
2answers
89 views

Is it OK to Pressure Wash Brick

I have a brick house and the bricks have what looks like mortar and paint marks on the brick. I believe they call this a messy mortar look. I do not like this, but I am wondering if I can have the ...
2
votes
5answers
15k views

Why does my shower head drip when the tub faucet is on?

I just installed a new tub fixture set: There are two controls - one for temperature and one for volume. The large handle is volume. When the diverter valve is engaged the shower sprays properly ...
3
votes
2answers
3k views

Low Pressure From Shower Head Troubleshooting

The water pressure from the shower head in one of my bathrooms is extremely low. The pressure coming out of the faucet of the bath is low as well. It has not always had this low pressure, it has ...
1
vote
1answer
436 views

Why does my shower have low water pressure?

The water pressure from my shower is low, we've been using it for several years but it's only in the last couple of weeks that we've had the problem. I've cleaned the showers head and hose, don't know ...
1
vote
3answers
1k views

What could have caused the hot and cold water to stop running in one sink, while all others are fine?

I have two knobs, and one faucet, in my bathroom sink. Both hot and cold slowed to a dribble at the same time. I was brushing my teeth, hot water running, then heard a "pop" sound and the water ...
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votes
2answers
95 views

Toxicity problems with using propane gas to pressurize water

I am working on a system to automatically maintain a safe tap water supply for a building in the case of a contaminated external water supply or in the case of loss of external water pressure, ...
1
vote
0answers
42 views

What material to use to clog previously cut central heating pipes

I used to have a central heating system which was never in use for years, because it couldn't be connected to central pipe inside other building. Last winter I finally dropped water from it and cut ...
0
votes
1answer
77 views

Merge 2 water line to increase pressure

We have 2 water meters on our property; one for the main house and another for the guest house. We sometimes experience a drop in pressure if we use both showers plus any other fixtures at the same ...
2
votes
3answers
2k views

How can I increase water pressure after installing dual-head shower?

I recently installed a 2-headed shower system in my master bathroom (2 shower heads coming from one pipe). Afterwards, the problem I suspected occurred. Having the "gate", if you will, set to direct ...
6
votes
3answers
5k views

Which should be first, pressure reducer or backflow preventer?

Question pretty much says it all. I'm installing a sprinkler system in the yard, and discovered the pressure is too high (valves were leaking when on, and kick when turned on/off). I can see ...
3
votes
2answers
109 views

Will installing a 2inch fitting in a 3 inch water line decrease water pressure?

We share a well with our neighborhood. The neighbors want to install a 2-inch meter on the 3-inch supply line, because the 2-inch meter is less expensive. I think it will decrease the water ...
0
votes
1answer
60 views

How to measure water pump pressure in a spa heating system?

Short version (TL;DR): how can I measure the output pressure of a water pump in a spa heating system and verify that it is within the gas heater input pressure specs? The Whole Story I'm trying to ...
2
votes
1answer
70 views

Do I need to replace this water pressure valve?

We recently bought a house built in 1976. The property is relatively rural but does get city water. The water pressure in the whole house is less than desirable, so we had a plumber come out to tell ...
0
votes
0answers
39 views

What periodically stops the hot water from coming on in bath sink?

I noticed that the hot water in bath faucet sometimes doesn't come on in the evening. This also effects the tub. If the hot is not working in the bath sink, no water in the tub unless the valve is ...
0
votes
2answers
128 views

Addressing irregular water pressure

Some time ago I posted about issues with my tankless water heater, concerned about the water going cold mid shower. Recently I found the issue isn't in the water heater - there are times when all ...
2
votes
1answer
4k views

Why do I have low water pressure with more than one fixture turned on?

What would cause low water pressure or flow when more than one fixture is turned on. It does not matter if it's hot or cold water.
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0answers
82 views

Toilet flushing and hot water pressure problems

I have a dual flush toilet that flushes very well some of the time. However, about 50% of the time, when the toilet is flushed and then the hot water faucet is turned on, the hot water pressure dies ...
0
votes
1answer
52 views

What prevents the water from flowing in a 13mm garden hose?

I'm harvesting rainwater with this kind of device: The same shop was also selling a rather expensive, clear, wide (maybe a diameter of 4cm) (like 200€+ for 25m) hose designed to work with it. So ...
3
votes
1answer
390 views

Shower Pressure Decreases after thumping noise behind wall

With the shower on, I hear a thumping noise behind the wall and the water pressure immediately drops. This happens every few days, so not every time I take a shower. It happens almost immediately ...
0
votes
1answer
139 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 ...
0
votes
2answers
49 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 ...
0
votes
2answers
73 views

How can I figure out why my water pressure is basically zero?

I took a shower last night before bed and the water pressure in our house was perfectly fine. This morning the water is drizzling out from all faucets, showers and fixtures. I've checked the water ...
1
vote
1answer
76 views

All kitchen water supplies have low pressure

My kitchen was remodeled and I noticed since then the water pressure for new area has been low (hot and cold). Previously we had one sink and dishwasher, now we have Two Sinks Dishwasher Instahot ...
0
votes
0answers
59 views

Why would 2 different sprinkler zones cause pressure at the pump to drop to 0?

Why would 2 out of 3 sprinkler zones cause the pressure reading at the pump to drop to 0? This is a well irrigation system and it is separate from the home's well. The pump is a 3/4 HP, has a flow ...
0
votes
1answer
95 views

Where is the pressure vacuum breaker typically located in a lawn irrigation system?

Where is the pressure vacuum breaker (or other backflow device) typically installed in a lawn irrigation system? Does it matter, as long as it is before the first sprinkler head? Or does it have to be ...
0
votes
2answers
64 views

What problems could be caused by putting mains water in to the pipe from a shared water tank?

I'm having a boiler replaced and have chosen a combi boiler. One of the benefits is mains water pressure hot and cold water where previously I had low pressure coming from a tank. The boiler is in ...
0
votes
1answer
57 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 ...