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Unread 01-14-2020, 12:31 AM   #11
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He's talking about an old rubber washer style faucet. Granted pretty much any faucet stem/cartridge will only hold to a certain pressure the effect is more pronounced with rubber washers. The pressure gets higher, the washer squishes, gives way and lets some water by. So yeah, if you're getting pressure spikes then hammer arrestors or an expansion tank will help.



But I don't think that's the issue here.


You said american standard. Presumably it's a small aquaseal stem? First off, the original style with the trampoline washer(what I call it) turn themselves on more often than a teenage boy. If that's what you have I would switch to the Danco variation which has a standard rubber washer. The wb/sexauer variation also use a standard washer but don't have the extra oring(not visible in picture) on the stem which helps against leaks through the stem threads.

Even the dancos can self open if you grease the stem threads too much. It's a very steep thread so it doesn't have as much holding power.


You want danco 2k-3c and danco 2k-3h, cold and hot respectively. They also come with new seats you should change at the same time. For the 8$ I change the whole shebang when one doesn't shut off. I don't even bother doing just the washer.


https://www.amazon.com/Danco-15973E-...B00NXHEV52/ref
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Unread 01-14-2020, 12:45 AM   #12
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Quote:
Originally Posted by plumber.joe View Post
to be honest though you did awnser my question. dont bring **** like that up is the lesson here lol. just because i know about it doesnt mean the higher ups want to hear my input. he probably thought the same thing by the way he was asking me about it. i would hat to have to pull up some references and make my boss feel stupid. the goal is to bring home a paycheck i can do all that extra **** when im out on my own.

arguments are good, they bring out info...but you missed the big picture..or I should say small one...you asked about a leaking faucet and the answer back was.."FIX THE FAUCET"..as that is the problem ..not pressure....it didnt leak for how many years before??? now it leaks...so it would be obvious pressure spikes are not the problem for this house...yes pressure spikes can do all the stuff you said, but I though your question was for this 1 specific house and this specific faucet..not a general question of any house or faucet...
whats your street pressure on the mains?
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Unread 01-14-2020, 11:07 AM   #13
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Quote:
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Wow you're 100 percent wrong my friend. Look into it. What would you say an expansion tank is used for? It's to regulate pressure in a "closed" plumbing system. Why? To prevent failure in the system. Where? At faucets and hose bibs and toilet fill valves. Man if you're gonna give out info please be accurate. Like I said in my intro theres alot I dont know bit dont be mistaken there is alot I do know. And I can tell 100 percent fact an expansion tank is used to regulate pressure in a closed plumbing system for proper function of fixtures. Above 80 psi things start to fail. Have you ever done a pressure test with a faucet on?

Just look into it. I'm not here to argue. It's ok to be wrong sometimes though that's how you learn. I'm sure you know a ton about things I've never seen but look into what a 50psi boost in pressure does to a fixture or fill valve or washing machine.



ok I reread what I posted about expansion tanks...in my area the street water pressure is around 50 psi and we have lots of water towers, I have never put or needed a domestic water expansion tank....and there is opinion on whether or not they are needed...ill tell you my opinion..
the water systems are at least 100 years old in most cities and developed ares and back 40, 50 0r 60 years we( plumbers) didnt have half the crap that all of a sudden is now mandated or recommended to be installed into various plumbing systems..
I would bet a lunch that many of the manufactures have written nice checks to politicians to add to code all these ( extra) components so the manufactures can make a bunch of $$$$$..
all you have to do is look how big pharmacy is trying to sell a ton of useless medications claiming they will help with all kids of stuff if they dont kill you...
so I personally take with a grain of salt when a manufacture says you need this in your plumbing system...yeah im sure there are instances where you will need a domestic expansion tank, but it is not the fix to the problem you asked about and my way of explaining it wasnt clear as my fingers didnt exactly put down the thought I was trying to convey to you.....
I like people that will come back and state whats on their mind like you have done...so dont ever shy away from posting what you think..
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Unread 01-14-2020, 06:25 PM   #14
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Quote:
Originally Posted by skoronesa View Post
He's talking about an old rubber washer style faucet. Granted pretty much any faucet stem/cartridge will only hold to a certain pressure the effect is more pronounced with rubber washers. The pressure gets higher, the washer squishes, gives way and lets some water by. So yeah, if you're getting pressure spikes then hammer arrestors or an expansion tank will help.



But I don't think that's the issue here.


You said american standard. Presumably it's a small aquaseal stem? First off, the original style with the trampoline washer(what I call it) turn themselves on more often than a teenage boy. If that's what you have I would switch to the Danco variation which has a standard rubber washer. The wb/sexauer variation also use a standard washer but don't have the extra oring(not visible in picture) on the stem which helps against leaks through the stem threads.

Even the dancos can self open if you grease the stem threads too much. It's a very steep thread so it doesn't have as much holding power.


You want danco 2k-3c and danco 2k-3h, cold and hot respectively. They also come with new seats you should change at the same time. For the 8$ I change the whole shebang when one doesn't shut off. I don't even bother doing just the washer.


https://www.amazon.com/Danco-15973E-...B00NXHEV52/ref
Thanks I will suggest the danco if we go back to fix it.
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Unread 01-14-2020, 06:39 PM   #15
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Originally Posted by ShtRnsdownhill View Post
ok I reread what I posted about expansion tanks...in my area the street water pressure is around 50 psi and we have lots of water towers, I have never put or needed a domestic water expansion tank....and there is opinion on whether or not they are needed...ill tell you my opinion..
the water systems are at least 100 years old in most cities and developed ares and back 40, 50 0r 60 years we( plumbers) didnt have half the crap that all of a sudden is now mandated or recommended to be installed into various plumbing systems..
I would bet a lunch that many of the manufactures have written nice checks to politicians to add to code all these ( extra) components so the manufactures can make a bunch of $$$$$..
all you have to do is look how big pharmacy is trying to sell a ton of useless medications claiming they will help with all kids of stuff if they dont kill you...
so I personally take with a grain of salt when a manufacture says you need this in your plumbing system...yeah im sure there are instances where you will need a domestic expansion tank, but it is not the fix to the problem you asked about and my way of explaining it wasnt clear as my fingers didnt exactly put down the thought I was trying to convey to you.....
I like people that will come back and state whats on their mind like you have done...so dont ever shy away from posting what you think..
We dont use many expansion tanks around here either. And it definitely would not fix it i agree with you on that. I would change the valve first and the expansion tank was just a suggestion as a possible preventative measure. I think i mis-worded my original post. But I also agree with you on the companies just trying to make money off all the extras. Great responses though thanks for the input.
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Unread 01-14-2020, 09:41 PM   #16
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[QUOTE=ShtRnsdownhill;1224988]
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Originally Posted by plumber.joe View Post
I went to a call the other day and the customer stated that his bidet was running every once and a while..
ShtRnsdoenhill beat me to it..
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Unread Yesterday, 07:02 AM   #17
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[quote=Logtec;1225150]
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Originally Posted by ShtRnsdownhill View Post

ShtRnsdoenhill beat me to it..
you didnt read all the comments did you...
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Unread Yesterday, 09:24 AM   #18
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No, expansion tanks are to "control thermal expansion" not regulate pressure.

You may be mixing your words. Yes there is a high pressure limit for faucets, Ball Cocks, T & P valves, etc.

You static water pressure is X, you close a system and with water heating up since you can't compress water builds up to ten times the static in a wave. If the thermally expanding water can't force it's way back into the main it pushes by faucets, Ball Cocks, or spits out of T & P valves. The latter relieves the excess pressure and the cycle starts all over again. Iy can have some variables related to how hot you keep you water, especially with a gas water heater which heats up faster with the BTU's throw at it.

They also make Ball Cocks with a built in pressure relief to retro fit closed systems. Bad idea since you always spit water out of them which you have to pay for.

Yes maybe you have something wrong with the valve, if you correct that and still have an issue an expansion tank will take of it.
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Unread Yesterday, 10:20 AM   #19
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I wont work on someones Bidet, just wont do it... nothing but a bunch of old corroded fixtures that most times wear out because they are
hardly used anyway... and you touch it and it all falls apart.....

You are not really selling the total package to the customer...
if you really want to gear down the pressure in a system you are gonna have to sell the fellow a pressure reducing valve and the therm tank as a package.....

the therm tank does not really regulate pressure , it only is a place for excess pressure to rise into .....


the prv regualtes pressure....sell him one of those and kick it down to 50 psi

if the bidet keeps leaking then sell him a new bidet.
or shut the thing down and tell him to use a wash rag to get his a-hole spankey clean......

dont waste your time with them


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Unread Yesterday, 01:06 PM   #20
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Quote:
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We dont use many expansion tanks around here either. And it definitely would not fix it i agree with you on that. I would change the valve first and the expansion tank was just a suggestion as a possible preventative measure. I think i mis-worded my original post. But I also agree with you on the companies just trying to make money off all the extras. Great responses though thanks for the input.

ill just add that the standard relief valve on a water heater blows off at 150 psi..so with that said if the water heater relief valve is not blowing off pressure then the pressure in the domestic water system is not going above 150psi..and any faucet , toilet or basically any valve in the domestic water system is designed to take that pressure and more..( within reason).
so once again I say pressure is not the issue with a leaking bidet valve...and a expansion tank will be worthless in this instance....


you might want to talk with whatever salesman you chatted with and just confirm what he stated the correct use of an expansion tank on a domestic water system...and when you do use them they need to be sized to the system they will be installed in..
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