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This is the Delta 622 single handle tub and or shower faucet.
This faucet does not have any type of scald guard protection or
balance control protection, It would not be legal to install this
faucet in a new home with the current safety codes. This is a simple
faucet to repair as long as the nut is not stuck.
Click On Any Image To See A Larger
Image With Text |
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This is all you need to repair the Delta 622 Tub and Shower
Faucet. I recommend replacing the ball seen on the left side of the
image, remember you can click on any image to see a larger image.
The red tin is plumbers grease, do not use any other type of grease
on any plumbing fixture. next to the grease is a repair kit for the
faucet.
Read More see full
size image |
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Some kits come with a new ball and some don't. this is what is
inside the kit |
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First things first, TURN OFF THE MAIN WATER VALVE. then if
possible open a faucet at a lower elevation to keep water that may
get past the valve from leaking out of this faucet when you are
repairing it. Then remove the button.
Read More And See Full size
Image. |
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As you can see there is a screw behind the
button this screw holds the handle on. |
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Use a Philips screwdriver to remove the
screw, the handle should just pull off. |
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This is what it looks like with the handle
removed, note that it is not necessary to remove
the chrome back plate to repair this faucet.
This is a very important part of the repair,
test to see how tight the nut is on the faucet.
the nut needs to turn counter clockwise, STOP
!!! Use minimum pressure to loosen this nut, if
it does not feel like it will move with minimum
pressure, STOP. Read the following so it will
not happen to you.;
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And See full size image. |
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I tested the nut on this faucet and it will
not move, I removed the chrome plate so I can
show you what will happen if you just get a
bigger wrench and put hard pressure on this nut.
Please notice the vertical position of the stem
slot it is straight up and down. |
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In this image I am applying more then
minimum pressure, notice the position of the
stem slot. If you are trying to remove the nut
and you see the stem slot moving. STOP !! There
is no turning back at this point.
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and see full size image |
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In this image I am continuing to turn the
what you may think is the nut, but is actually
the whole body of the faucet. |
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You may be thinking how can the whole body
turn, the pipes in the wall should prevent the
body from turning |
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The problem is with the poor design of this
old faucet, This is not to say that Delta makes
a poor faucet, Delta makes great faucets, and
has long since corrected this problem in newer
faucets like the one I replaced this one with.
Read
More and see full size image |
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There is a main brass body that connects to
the pipes in the wall, but there are 3 little
soft copper tubes that connect from the main
body to the part of the body with the ball
inside of it. |
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This is what will happen if you use too much
pressure on the nut, Trust me it does not take
allot of pressure to break this part off, and
there is no way to repair it, you will have to
replace the whole shower valve. |
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This is the back of the part that still has
the nut attached to it, note the 2 little copper
tubes, the third one is still in the main body.
remember you can click on any image to see a
larger image.
Read
More and see full size image |
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This is what is left in the wall, notice the
third little copper tube, It's no wonder this
part will twist off. Now that I have destroyed
this faucet I have to replace it, This shower
happens to be a one piece fiberglass unit and
there is no access from behind the shower valve
to replace it.
Click here to continue |
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By Thomas Petito
Reardon
tom@masterplumber.net |
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