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pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.: 445 Gauge pressure (also spelled gage pressure) is the pressure relative to the ambient pressure.
Various units are used to express pressure. Some of these derive from a unit of force divided by a unit of area; the SI unit of pressure, the pascal (Pa), for example, is one newton per square metre (N/m2); similarly, the pound-force per square inch (psi) is the traditional unit of pressure in the imperial and U.S. customary systems. Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this. Manometric units such as the centimetre of water, millimetre of mercury, and inch of mercury are used to express pressures in terms of the height of column of a particular fluid in a manometer.
Took on a HMO a couple of years ago.....8 rooms 3 stories with a shared kitchen and 5 bathrooms. Got a builder in who said it would be possible to put ensuites in every room and he started the work.
6 rooms with ensuites are virtually complete and all throughout he has been saying we can only...
Hi we've just had a bathroom fitted with a mixer tap to the sink and mixer tap with a bath handheld shower fitting to the bath and there is almost no pressure at all. Previously we had single taps and the pressure was fine and is good downstairs.
It is all gravity fed. We have a shower pump...
Hello,
I've had one of these plumbed and wired (3KW) in to my mothers house in order to add hot water to a sink with cold tap only (ex council 60') only to be told that the available water (to the Triton 30i instant hot water heater) is coming via the main water tank not mains pressure as...
We live in a high rise on the 18th floor. I want to have a under the sink water filter installed.
Waterdrop 10UA Under Sink Water Filter System, NSF/ANSI 42 Certified, Under Counter Water Filter Direct Connect to Kitchen Faucet, 8K Gallons High Chlorine Reduction Capacity, USA Tech...
Hi, I’m new to the forum and would really appreciate some advice on this problem I have with my bathroom cold water pressure.
We recently moved to this one bedroom flat and our hot water comes from a communal boiler in the basement. In the kitchen the water pressure is good for both hot and...
Newbee001
Thread
bathroom
cold
cold water
pressure
water
water pressure
I am looking for suggestions /advice on getting a commercial high pressure toilets that does the job in one flush. Does anyone have any toilets they can recommend?
Just had strange occurrence and hope someone can please help.
Noticed a small leak under kitchen sink.
Wanted to troubleshoot shut off valves for possible leak, so I turned them off and on moved them back-and-forth some to check for leak. Nothing.
However, upon reopening both supply valves...
Hi everyone,
I have a question about balanced water pressure in my kitchen. Are both the hot and cold water pressure meant to be the same, as my hot water has good pressure when fully open but the cold tap pressure has about 2-3 times more pressure when the tap is fully open almost floods the...
Hello. I need some urgent advice re water pressure in an unvented system.
A few months back, I had my gravity fed system + boiler changed to an unvented cylinder + system boiler. The water pressure following the swap was incredible. We were originally talking about putting in a mains booster...
Hi all,
The pressure bar in my unvented system is rising. It’s set at 1.5 and rises to 2/2.5. I know it will rise when the water is heating but this now doesn’t drop. I have an Oil boiler and at present only the hot water is on.
I have reduced the pressure by bleeding a radiator.
My question...
Hi, new guy here. I've just had my annual service on my combi boiler and the mains water supply pressure appears to be lower. Is there anything they could have done to cause this?
I’ve just noticed my outside tap is making a sort of hissing sound and the pressure doesn’t seem as good as it was. It has much less power coming out of the hose pipe. A few months ago the return valve was fixed as it got stuck could it be related to this? I’m happy to try taking it apart to see...
Just wondering if anyone has even seen an issue with the pressure gradually increasing on a closed loop system where there is no fill loop attached. I'm seeing this issue on a gshp and whats more unusual is its on the cooling side. If it was on the heating side you could put it down to expansion...
I have a B&B that has had lots of plumbing issues in the past e.g. hot water to a toilet! I am fed up of spending money so hoping someone can help as several plumbers so far have been hopeless. The latest problem is that I had an electric shower replaced because it was cycling between scalding...
Kay999
Thread
causing
electric
electric shower
pressure
problem
shower
water
water pressure
My Ideal boiler pressure gauge pointer shows about 0.85 when cold (about 1.8 when the heating is on).
10 weeks ago the readings were 1.0 when cold and 2.0 when hot.
Clearly there is a loss in pressure over time. I can see no leak on any radiator or near the boiler. Is this pressure drop of...
I have a unit (1 of 3), and mine is furtherest from the road. I have fairly crap water pressure and have had the water corp out, who agree its crap, but claim its due to the distance from the mains. Is there something that can be done to increase water pressure?
Joy Bell
Thread
australia
home
increase
pressure
water
water pressure
As part of full house renovation, I've switched from a conventional boiler/gravity fed tank to a combi boiler. Under the old system I note that a pressure reducing valve has been fitted to the pipework feeding the shower mixer (assuming as mains cold overpowering the supply pressure from the...
Hi guys.
I replaced an electric shower for a family member recently and on completion noticed how poor the pressure was. It wasn’t like this the week before when I initially looked at it. Apparently Severn Trent were in the area the following week to do some work. She’s now saying that the...
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