JMustang
New Member
My master shower dribbles and drips when the guest bath/shower is used. Both the valve and cartridge(Single Lever) have been replaced and it's still doing it. What the heck?
Unfortunately, there are no stop valves at the shower.Curious to what brand of valve body are used?
It could be the anti-scaling feature though the valve is closed or off. It maybe detecting pressure differences and its moving inside the cartridge. Delta & Price calls it Thermostatic, Moen calls it Posi-temp, a more general term is a pressure balance spool. It's why I asked to shut off the stop valves at the shower and see it it happens. Try the cold, then hot only, then both. There probably is no fix but at least you'll know what is causing it.
Yes, We usually turn the exhaust fans on.Are the bathroom fans being used when this happens? Either of them?
Not sure what the electrical would have to do with the plumbing.I guess if exaust fans had anything to do with it . turn on fan in one room and see if it affects other?
Its always done it? just started? I would think cartridge and or the pressure ballance spool soime how is related.
Hey John, It was happening before I remodeled both bathrooms. Prior to the remodel, neither bathroom had exhaust fans. I added them.The atmospheric pressure or lack of it in the room is what makes the water run from the shower riser.
This is a very very common thing. I have seen a great many posts with people wandering why their shower (no tub or other way to drain the riser) will drip randomly or intermittently for hours. After they use it.My showers don't do that. Jmustang did you say randomly or only when taking shower it could be vibrations. I think its harmless is it 2 oz or a liter or gallon that comes out, but sounds like nothing but a curiosity?
The shower drips in the Master Bathroom when the guest bath is used and the guest bathroom is on the opposite side of the house.My showers don't do that. Jmustang did you say randomly or only when taking shower it could be vibrations. I think its harmless is it 2 oz or a liter or gallon that comes out, but sounds like nothing but a curiosity?
It happens with the shower head off.This person should take their shower head off. See how it acts.
The shower drips in the Master Bathroom when the guest bath is used and the guest bathroom is on the opposite side of the house.
It's not a lot of water, it's probably just what's left in the pipe from the shut of valve up to the shower head.
But what I don't understand is, if the valve is OFF, what is getting into the line to push the water out?
Somehow, it must be causing some kind of a vacuum
This is awkward, but...
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