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I have a Delta 1400 single handle tub/shower valve that lets water leak by to the shower head when I'm only trying to run the spout. Any suggestions to keep this from happenning?
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I had the same problem. My building manager showed me that you have to yank the circular portion at the end the of spout where the water comes out downward and the water will be diverted to the showerhead.
There should be a dirverter on the tub spout. It will be either a knob to pull up or a ring to pull down on and hold untill the water comes out the shower head.
If there is no dirverter go buy a new tub spout with one.. The prior owners may have installed the wrong spout.
Sounds like the delta people forgot to install the diverter piece inside of valve body,small white plastic piece screwed into valve. If you take out valve you should see it up inside body
You will have water coming out of the shower head when you have really good water pressure. There might be more water volume coming out through the valve then what the tub spout can handle and in turn sends the water up to your shower head. When you fill your tub try turning the water only half way on not at full pressure, does this keep the water from coming out of the shower head? Most likely your valve has a 3/4" supply line while your shower head and tub have only a 1/2" supply line. Sounds like you have more volume to the valve than what the tub spout can handle. You might consider one of two things: 1) you can put a water regulator on the main supply line going into the house to lower your pressure, or 2) change out the supply line to the tub spout, increasing it from 1/2" to 3/4". Let me know whats going on.
Is there a button on the tub filler? How about the spout on the tub, does it lift up? If there is not a tub spout then it should be shower only, if it has a tub spout it has to have a lifter of some sort, the foto I found showed the little button lifter. Hope this helps.
replacing just the handle cannot fix the leak and common sense should tell you that.... try turning off the water to the diverter (thru access panel on opposit wall or main water valve for the home) and then replacing the stem or cartridge inside the diverter -- this is what controls water temp, pressure, and is responsible for any leaks you may have...
The only possible explaination is that the water is finding it easier to go up than down. Water is lazy, just like me. ;)
Use an allen key to remove the tub spout. It's underneath and awkward. Once the allen key is loose, the spout just slides off. Try running the water. This may solve your problem and all you'll need is a new tub spout. If not.....
Turn the water off to the house.
Use an allen key to remove the handle.
Use a phillips to remove the trim plate (2 screws). Cut the silicone around the trim if it's there (which, in a proper installation it shouldn't be, but...)
Unscrew the nut (usually chrome) holding the cartridge into the brass body of the valve. The cartridge pulls straight out. Check for restriction in the ports of the cartridge itself. Check for restriction in the line going down to the tub spout. If you can't find anything, replace the cartridge.
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