Toilet flushes not completely

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Apr 30th, 2022 10:25 am

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Apr 24th, 2022 9:42 pm

BeefOreo [OP]: Member; Apr 8, 2021; 469 posts; 491 upvotes; Montreal

Apr 24th, 2022 9:42 pm

Toilet flushes not completely

That is to say;

My toilet’s water tank only empties half way.
I have to hold the lever, in order for the tank to completely empty.

The black cylinder thing (circled green) moves down too fast, before the water empties all out.

To get a complete flush, you need to hold the lever down for an extended time.

Is it possible to adjust?
Please see image;

I’m out of my depth.

Thanks for your precious advice.

Last edited by BeefOreo on Apr 30th, 2022 10:02 am, edited 1 time in total.

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8 replies

Apr 24th, 2022 10:05 pm

Red_Army: Deal Addict; Oct 15, 2007; 4760 posts; 2454 upvotes

Apr 24th, 2022 10:05 pm

It’s a Mansfield toilet. Like many other original “water saving” toilets, They aren’t designed to release the entire tank of water.

Everything has been said before, but since nobody listens we have to keep going back and beginning all over again. - Andre Gide

Apr 25th, 2022 9:59 am

tew: Deal Fanatic; Jun 13, 2010; 7245 posts; 9552 upvotes; GTA

Apr 25th, 2022 9:59 am

I assume that it flushed fine before so it's most likely that the flapper is worn out. I just had to replace one that wouldn't stay up long enough to let all of the water from the tank out. I've never seen one like yours before so I hope that the part is available. It's old with the ball and lever float.

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Apr 25th, 2022 2:08 pm

Ahzuz: Deal Addict; Dec 14, 2006; 3309 posts; 386 upvotes; Montreal

Apr 25th, 2022 2:08 pm

would be easier to change the whole system, not too expensive and easy to do

I was there at the 32$ price error at dell.ca day AND at the 150$ off price error at fs.ca
RFD price error moto: "Buy now, think later." -Ahzuz

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Apr 27th, 2022 9:12 am

BeefOreo [OP]: Member; Apr 8, 2021; 469 posts; 491 upvotes; Montreal

Apr 27th, 2022 9:12 am

can someone please recommend a good replacement kit ?

and perhaps indicate the tricky/hard parts to the replacement?
thank you!

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Apr 27th, 2022 11:11 am

jdmfishingonly: Deal Fanatic; Oct 13, 2008; 6693 posts; 3241 upvotes; Durham

Apr 27th, 2022 11:11 am

Get a new toilet to save grief.

16'x11' Living Room 11' Cathedral Ceiling. Hisense 65Q8G. Denon AVR-S740H 7.2 setup. Jamo Classic 10 280W Towers - FR+FL; Polk S35 - Center; Klipsch R51M - RR+RL; Klipsch R14M - Dolby FHR+FHL; Polk HTS10 Subwoofer x2. Unlocked Android Boxes from Taiwan x2

Apr 27th, 2022 11:35 am

pootza: Deal Fanatic; Dec 19, 2009; 5668 posts; 4009 upvotes

Apr 27th, 2022 11:35 am

BeefOreo wrote: ↑ can someone please recommend a good replacement kit ?

and perhaps indicate the tricky/hard parts to the replacement?
thank you!

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Apr 30th, 2022 9:59 am

BeefOreo [OP]: Member; Apr 8, 2021; 469 posts; 491 upvotes; Montreal

Apr 30th, 2022 9:59 am

pootza wrote: ↑

thank you very much pootza,
I looked into it, as much as I can tell.

Seems like I need to match the valve with the correct tank as well? (see https://www.plumbingsupply.com/mansfiel ... lapperless there are many models!)

These seem hard to find in Canada. I'm in Laval, Quebec. Any idea where to get these?

Another possibility I looked into is a Fluidmaster replacement kit, but I can't find it in Canada!

https://www.fluidmaster.com/products/to ... epair-kit/

K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit - Fluidmaster.jpg

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Apr 30th, 2022 10:25 am

pootza: Deal Fanatic; Dec 19, 2009; 5668 posts; 4009 upvotes

Apr 30th, 2022 10:25 am

BeefOreo wrote: ↑ thank you very much pootza,
I looked into it, as much as I can tell.

Seems like I need to match the valve with the correct tank as well? (see https://www.plumbingsupply.com/mansfiel ... lapperless there are many models!)

These seem hard to find in Canada. I'm in Laval, Quebec. Any idea where to get these?

Another possibility I looked into is a Fluidmaster replacement kit, but I can't find it in Canada!

https://www.fluidmaster.com/products/to ... epair-kit/
K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit - Fluidmaster.jpg

You don't change the fill valve you change the flush valve.

https://www.homedepot.ca/product/mansfi ... 1001141524

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