Jumat, 04 Oktober 2013

Cold water pressure up, hot water press down in sink?

pressure washer bypass valve on PRESSURE WASHER PUMP | THERMAL RELIEF VALVE / PUMP PROTECTOR | 1/4 ...
pressure washer bypass valve image



Jason S


I'm have a strange thing happen in one of my two master bathroom sinks. A few background notes first.

1) I re-piped my house about 2 months ago
2) This sink is where the return valve is for the recirculating pump
3) They did NOT replace the valves in this sink

Everything had been normal until yesterday when I noticed the sink was dripping out of the faucet very slowly. I tried to twist the cold water valve tighter but still it would drip. Today I noticed that all of the sudden the water pressure / flow that I'm getting when I have the cold side on has increased but when I turn the hot water on the pressure / flow has decreased. I'm trying to figure out if I have a bad valve or if something is wrong with the recirculating valve bypass thing?

The other sink in the master bathroom is working totally fine and normal.

Thoughts?
@Stephen

Thanks for the input. I'm worried that something found it's way into the recirculating valve. Will that flush out as well?

See valve on top left of this image http://www.houseneeds.com/shop/images/grundfos_comfortvalve.jpg



Answer
It sounds like the soldering paste used to solder has found its way up to your hot water valve or beyond to the faucet If your up to it shut the valve take apart the supply up to the faucet bend it over to flush out into a bucket turn on water fill bucket If your pressure is OK the problem is in the faucet behind the washer take apart and clean

Help, I have lost water pressure.?




Crazy coll


Today I had to bypass my water softener because its drain hose became disconnected and was draining into my house. When I fixed the problem and put the water softener back in series with the lines, I lost pressure. I have about a 30 gallon Tank Mate reservoir tank and my pump output pressure gage says 60 lbs. I don't know what the problem is, please help.
Right now I have it the water softener in bypass and the pressure has not gone back up.
I have checked the water pressure in every faucet in my house including the bath tubs, that have no aerators. The pressure is definately low. I am not sure how to locate the drain valve.



Answer
I feel fairly confident in saying that by turning the water off and then on again you have dislodged enough sediment to clog a screen or filter. The question is which one or maybe all of them.

Start at the various sinks and unscrew the aerater at the end. ...lots of little pieces to clean out. Shower heads can also be cleaned out.

If you have a whole house filter it should be before the water softener and should not be a problem. You might take this time to change it because you have had problems that it should help to avoid.

The water softener itself has filters. Normally these should be serviced once a year and they are cleaned out. Without knowing your particular brand it is difficult to suggest a plan of attack. If you have a service contract you might have them in for service. If you have a parts schematic you might be able to do the service. Paperwork may also describe how it is done. On line you might be able to get the same.

I have worked with a Q-tip and some alcohol for this operation.

Edit____________
OK since you don't seem to be having problems elsewhere:

The other possibility is a jammed gate valve. Gate valves have a habit of breaking. They can break closed, open or partially open. In my neighborhood gate valves were often the main valve that enters the house. I avoid touching them for this reason. A broken one is a real pain in the neck if it is the first valve for the incoming water.

Household valves come in a variety of flavors. The basics are:

1 ball valves which are the most modern with a handle, can have full flow when open usually 90 deg apart.
2 gate valves which have a gate that goes up and down but no washers, they tend to be a little taller than other valves.
3 globe valves have a washer and a seat, are one directional and were once very common valves. There is a very roughly "globe" shape at the bottem and an arrow on the outside.
After this it is mosly the outside that changes...
4. hose valves have washers and a hose connection
5. boiler valves with big washer and a union attached...
and many others.
Connections can be compression, threaded, glued or sweat.

Try to work back to a position in the lines where the pressure is OK. This is hard to suggest without seeing your system. If you are not able to deal with this you will have to get a plumber to help.




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