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Replacing toilet supply line valve..... jJim McLaughlin 08-16-2007
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Posted by jJim McLaughlin on August 16, 2007, 10:24 pm
I'm replacing a toilet supply line valve.

Toilet is on lowest level of house, and supply line valve is
literally the lowest valve in the house and supply line is
literally the lowest water line in the house.

I plan to turn off the main shut off, and open cold water valves up on
third floor (the upper level) and the cold water valve in that same
lowest level bathroom's sink.

Then I plan to open the toilet supply line valve and drain that line
into a low flat pan before removing and replacing the old valve.

Is there anything obvious (or maybe more importantly, not so obvious)
that I'm missing regarding draining that line?

I *think* I've got the drainage issues / air issues / vacuum issues
covered,
but I'd rather avoid draining 10 gallons of water into a pan that holds
maybe 2 gallons.

I'll have the wet dry shop vac and a bunch of towels handy in any event.

Thanks for your comments.

PexSupply QuikTrak 468x60
Posted by BZ on August 16, 2007, 10:40 pm
I replaced my toilet supply valves a few years ago. I don't remember
how much water drained out, but it wasn't enough to surprise me.

My advice would be to disconnect the water supply line to the toilet
first, and then drain the pipes through that before removing the valve.
That way if your pan fills up, you can still turn off the valve, empty
the pan, and open the valve again. You'll still get a little more
drainage when you remove the valve itself, but probably not much.

Posted by jJim McLaughlin on August 16, 2007, 10:41 pm
Good point!

BZ wrote:
> I replaced my toilet supply valves a few years ago. I don't remember
> how much water drained out, but it wasn't enough to surprise me.
>
> My advice would be to disconnect the water supply line to the toilet
> first, and then drain the pipes through that before removing the valve.
> That way if your pan fills up, you can still turn off the valve, empty
> the pan, and open the valve again. You'll still get a little more
> drainage when you remove the valve itself, but probably not much.

Posted by Big_Jake on August 16, 2007, 11:37 pm
> I replaced my toilet supply valves a few years ago. I don't remember
> how much water drained out, but it wasn't enough to surprise me.
>
> My advice would be to disconnect the water supply line to the toilet
> first, and then drain the pipes through that before removing the valve.
> That way if your pan fills up, you can still turn off the valve, empty
> the pan, and open the valve again. You'll still get a little more
> drainage when you remove the valve itself, but probably not much.

Why not flush the toilet several times before taking the supply line
off to make sure you have nearly all of the water out?

JK


Posted by Al Bundy on August 16, 2007, 10:50 pm

> I'm replacing a toilet supply line valve.
>
> Toilet is on lowest level of house, and supply line valve is
> literally the lowest valve in the house and supply line is
> literally the lowest water line in the house.
>
> I plan to turn off the main shut off, and open cold water valves up on
> third floor (the upper level) and the cold water valve in that same
> lowest level bathroom's sink.
>
> Then I plan to open the toilet supply line valve and drain that line
> into a low flat pan before removing and replacing the old valve.
>
> Is there anything obvious (or maybe more importantly, not so obvious)
> that I'm missing regarding draining that line?
>
> I *think* I've got the drainage issues / air issues / vacuum issues
> covered,
> but I'd rather avoid draining 10 gallons of water into a pan that
> holds maybe 2 gallons.
>
> I'll have the wet dry shop vac and a bunch of towels handy in any
> event.
>
> Thanks for your comments.
>

> I'll have the wet dry shop vac and a bunch of towels handy in any
> event.

No plumbing wizard but I would think, assuming the valve somewhat works,
you can use the valve to stop the draining so you can empty pans, wring
out towels, call 911, etc.

Page 1 of 2       1 2 > last >>
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