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5 posts

Wannabe Geek

#225756 4-Dec-2017 16:55
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I have a drissco laundry tub that we want to swap out for a built in sink, as we are in the middle of renovating the laundry. 


I'm at that point where I need to remove the tub so I can finish pulling up the floor, painting etc. but I can't seem to locate any kind of shut-off valves under the sink. 


I don't want to install the new sink just yet, as we still have a lot of paint and cabinet work to do, but I wasn't sure if I could remove the tub myself without the shut-off valves? My assumption would be I can just off the mains water to take the tub out, but I wouldn't be able to turn the water back on as the water would have nowhere to go..?


I might be able to crawl under the house to see if the shut-off valves are under the floor but that seems a bit strange to me... I've looked at the bathroom and kitchen sinks in the house and can't find the valves there either so I just seem to be getting more and more confused. The house was built around 1970, and we had gas hot water installed earlier this year if that helps..


Here is a picture of the pipes under the sink.


Pipe Connections

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5 posts

Wannabe Geek

  #1912790 4-Dec-2017 16:57
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Picture didn't work in above post for some reason...

3885 posts

Uber Geek


  #1912794 4-Dec-2017 16:59

Highly unlikely to be any shutoff valves for just the tub pipework. You need to cap off the pipes before you turn the water back on.


5 posts

Wannabe Geek

  #1912797 4-Dec-2017 17:06
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Aredwood: Highly unlikely to be any shutoff valves for just the tub pipework. You need to cap off the pipes before you turn the water back on.


Almost every resource I've found while trying to figure out the best way to remove the tub has referenced shut-off valves under the sink, which is why I just assumed I needed them... Well you know what they say about assumptions ;)


How would I "cap them off"? Do I just need a couple of blanking caps for the pipes coming up from the floor? 

2362 posts

Uber Geek

  #1912803 4-Dec-2017 17:14
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Yes, cap the pipes coming up from the floor. Obviously after you've found the water shut off valve at the street, and drained the system at it's lowest point. 

5 posts

Wannabe Geek

  #1912809 4-Dec-2017 17:21
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Okay, shut off water, drain system, cap the pipes. Got it.


New question: How do I get water to my washing machine? Or do I need to decommission it until my new sink is installed? 

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Uber Geek


  #1912838 4-Dec-2017 17:35

Stick hose taps on the ends of the pipes. Then you can reconnect your washing machine to them.

Some overseas plumbing codes require shutoff taps underneath sinks, basins etc. Which is why Google says they should be there. No rule requiring them in NZ. And not much point requiring them either. As if you are doing a renovation, they would probably need to be moved anyway. As for maintenance, they would probably leak if they have not been touched for 10+ years and you then try turning them off.

5 posts

Wannabe Geek

#1913239 5-Dec-2017 11:57
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2 trips to mitre 10 and $30 later, the tub is in the back yard I and can start prepping to paint! 


Thank you so much for your help and advice! 

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