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Question DetailsAsked on 4/27/2015

Water is running from my shower head and the faucets at the same time. Do I need a plumber or can I fix it myself.

When the water at the faucet level is turned on to adjust water temperature to take a shower the faucet remains running while the shower is on. You can take a shower but tub fills up with the faucet and shower head running at the same time.

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1 Answer


By faucet I presume you mean the tub spout is leaking water into the tub when the diverter knob is pulled up (or out if in wall) to divert the water to the showerhead.

Probably getting old - for a while you may be able to make work by adjusting the water temp with the faucets (water coming out of tub spout so you don't freeze or fry yourself while doing this), then (without doing so hard you are ripping the tub spout or knob off the wall) sharply pull out on the diverter knob on the spout to divert the flow to the shower head - a sharp little jerk rather than a smooth pull will commonly seat right that way.

If keeps leaking out tub spout or starts squeeling or howling frequently (which pushing knob in and jerking back out again may fix temporarily), then your tub diverter is corroded or worn. Not worth fixing because the spout has to come off to fix it (if on spout), so better and quicker/cheaper to just put new one on at that time. Not something I recommend to homeowners as a DIY job, because it take "the touch" of experience to know how hard you can reef on it to unthread it without breaking the piping in behind, so I recommend a Plumber in that case - assuming pipes in behind are good and not corroded to the point of breaking when he removes it, typically minimum service charge (about $75-150 except more in a few very high cost urban areas) plus cost of spout - around $30-100 depending on how fancy, if you are looking for a specific may add to labor cost for a trip to store to get a match, or return trip after you buy the one you want put in.

One other thing on it not sealing tight - seals better if you have the water flow at near max flow - faucets as wide open as possible (while still geatting temp you want) - at low flow it commonly leaks, because the water pressure against it is what holds it tight in its seat.

If in-wall type diverter knob (or twist lever in some cases), repair cost can be from range above if simple to replace from tub side (by removing a chrome cover rings say), to potentially quite a bit more if type that requires cutting through back wall behind shower or through tile/surround to get enough room to replace it, which can add quite a bit of cost at times - especially if two adjacent bathrooms have their showers/tubs backed up back-to-back so you can't get at the plumbing from the back side, in which case sometimes a goodly hole has to be torn in the wall - requiring removal and replacement of surround piece, or major tile work, so in worst case can be in the $1000 range to repair the wall damage. Of course, ask plumber what the is getting into when he first tries to remove it, before he really start reefing on it or tearing into the surround, so you can decide whether to fix or let go longer - especially if you are looking at a possible bathroom remodel anyway down the road a ways, when you could replace it then.

BTW - you said tub starts filling up when shower and tub both run - that indicates (assuming tub drain lever is wide open and you do not have a restrictive hair catcher in the drain) that either the drain is hair clogged or drain is partly plugged - might want plumber to clear that while there. With full flow from tub spout, should not back up more than a foot or so along the floor of the tub - a small pool maybe 1/2-1" or so deep at the drain itself, but once that small pool forms a clear drain should take the water as fast as it comes out of the spout, not fill the tub.

Answered 5 years ago by LCD

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