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Plumbing advice for frozen wastepipe

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kitchens sink is emptying back into the washing machine,If we turn washing machine on it "blows back" through the sink in kitchen-upstairs bath wont drain either. Called a plumber and he says frozen w… Read More
barky Avatar
7y, 5m agoPosted 7 years, 5 months ago
kitchens sink is emptying back into the washing machine,If we turn washing machine on it "blows back" through the sink in kitchen-upstairs bath wont drain either. Called a plumber and he says frozen wastepipe and not really anything can be done but wait for the thaw!

think all the plumbers here are inundated with work anyways-would using one of them mr muscle type sink unblocker things work? says it clears hair/grease etc so would it "eat" through the ice,or given that the sink is somehow emptying back into the washing machine would this be madness?
barky Avatar
7y, 5m agoPosted 7 years, 5 months ago
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#1
have you tried boiling water from kettle down it
#2
tip a load of salt down the pipe/plughole, LOTS of salt, and that will work eventually if it is just frozen.

Top it up with more and some water every now and then.
#3
Must be where your waste water pipe goes out side at what ever point that is. Tru a boiling kettle of water on where the waste pipe(s) leave the house?
#4
Have a look at the outlet outside, mine was just clogged up with leaves. Or try pouring boiling water down the kitchen sink (if it is ice).
#5
You need something to defrost the ice, doubt "Mr Muscle" would do the job. :?
#6
wickedteen
have you tried boiling water from kettle down it


was afraid this may damage the pipes going from extreme cold to extreme heat?
#7
Mix Boiling Water and Bleach down the sink

I threw this down the sink this morning continually for about half hour and it worked, Bleach clears any blockages down there and hot water helps thaw the pipes and helps push blockage through.

Good Luck
#8
its only a plastic pipe of it cracks they are pennies to replace
#9
thanks all for quick replies-will try to locate pipe outside and also try the salt/boiling water trick then.
#10
wickedteen
its only a plastic pipe of it cracks they are pennies to replace


The labour is the ball-ache with plumbing, not the cost of the materials.
#11
thesaint;7421527
The labour is the ball-ache with plumbing, not the cost of the materials.



Too true. But this is just simple plastic push fit stuff. Anyone can replace it I am sure as just pushes through the wall etc. I also doubt hot water will crack/split it. It is more likely to split due to the frozen water already in it that it is from hot water:thumbsup:
#12
How about a hair dryer on the wastepipe?

Ice will cool boiling water too quickly for it to have much of an effect.

Wouldn't think Mr Muscle would work and may get in the washing machine which could be costly.
#13
the pipe in question will be a long grey pipe which just pushes together, not rocket science, very easy to do, he might even be able to take the pipe off and sort it out that way
#14
waj1234
Too true. But this is just simple plastic push fit stuff. Anyone can replace it I am sure as just pushes through the wall etc. I also doubt hot water will crack/split it. It is more likely to split due to the frozen water already in it that it is from hot water:thumbsup:



It could be solvent weld.

I have never heard of hot water splitting a pipe either, I was just addressing the cheapness of plastic pipe.

You say anyone can replace it, but the OP was asking if "Mr Muscle" would melt the ice, we are not talking about the brightest bunch on HUKD.

wickedteen
the pipe in question will be a long grey pipe which just pushes together, not rocket science, very easy to do, he might even be able to take the pipe off and sort it out that way


Or white, or black.
#15
Might also be fat deposits... try caustic soda and cold water.
#16
thesaint
It could be solvent weld.

I have never heard of hot water splitting a pipe either, I was just addressing the cheapness of plastic pipe.

You say anyone can replace it, but the OP was asking if "Mr Muscle" would melt the ice, we are not talking about the brightest bunch on HUKD.



Or white, or black.


sorry but you said it not ME, lol
#17
greg_68
How about a hair dryer on the wastepipe?


now that would melt the pipe
#18
wickedteen
now that would melt the pipe


lol.... what's the pipe made out of paper mache?
#19
wickedteen
sorry but you said it not ME, lol


Huh?

wickedteen
now that would melt the pipe


So it would melt a pipe, but not set someones hair on fire?

How old are you dude(ette)
#20
the pipe is plastic not meant for that type of direct heat, so would probably melt the plastic pipe, ye your right not the brightest on here
#21
Its usually the outside water pipes that freeze rather than waste pipes as i dont think waste pipes should hold water in them, they tend to take the water straight to the drain then empty out and stay empty (or atleast thats what i thought). Do all your sinks etc drain through the same pipe? usually your sink & washer will drain through a small waste pipe but your bath may drain through the main soil pipe same as your toilets so if you cant use your sink or bath i would think it is a prob with your main drain rather than a pipe. lift your drain cover in your front/back garden & have a peek see if it is empty or full of nasty looking "water"(it should be almost empty) then try running a little water see if you can see it filtering thru.
#22
wickedteen
the pipe is plastic not meant for that type of direct heat, so would probably melt the plastic pipe, ye your right not the brightest on here


What like boiling water? :?

Hairdryer, not a blowtorch dude(ette).
#23
wickedteen
the pipe is plastic not meant for that type of direct heat, so would probably melt the plastic pipe, ye your right not the brightest on here


If your hairdryer melts plastic, you should consider replacing it...
#24
lmao

salt + lukewarm water = unfrozen pipe in a couple of hours or less, you dont need heat!
#25
Jimston
Its usually the outside water pipes that freeze rather than waste pipes as i dont think waste pipes should hold water in them, they tend to take the water straight to the drain then empty out and stay empty (or atleast thats what i thought). Do all your sinks etc drain through the same pipe? usually your sink & washer will drain through a small waste pipe but your bath may drain through the main soil pipe same as your toilets so if you cant use your sink or bath i would think it is a prob with your main drain rather than a pipe. lift your drain cover in your front/back garden & have a peek see if it is empty or full of nasty looking "water"(it should be almost empty) then try running a little water see if you can see it filtering thru.


top advice, does seem a little strange for a waste pipe to be frozen.
#26
ON A MORE SERIOUS NOTE......please be aware of the killer hair dryer :shock:

http://technabob.com/blog/wp-content/uploads/2009/09/western-dryer-1.jpg
#27
fair play to the plumber for not coming round and charging a small fortune to boil a kettle or such
#28
Even when the pipe is defrosted the problem will not be cured and will occur again.

The root of this is water is staying in the pipe so water gets trapped and when frozen blocks the pipe.

This may be because there is not enough fall/slope in the pipe on the outside or the location of the sink and internal pipes is so cold the trap/pipes get frozen.

Try checking for these and use a fan heater or hair dryer to warm them.
#29
alert
Even when the pipe is defrosted the problem will not be cured and will occur again.

The root of this is water is staying in the pipe so water gets trapped and when frozen blocks the pipe.

This may be because there is not enough fall/slope in the pipe on the outside or the location of the sink and internal pipes is so cold the trap/pipes get frozen.

Try checking for these and use a fan heater or hair dryer to warm them.


He might have one of them hair dryers that heat more over 100 degrees!

http://poponthepop.com/images/gallery/michael-jackson-burnt-hair-photo.jpg
#30
thesaint
You need something to defrost the ice, doubt "Mr Muscle" would do the job. :?


Vodka :thumbsup:

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