Question about Porcher 83420-00.000 L'Expression Toilet Replacement Flush Assembly

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I need to replace my flush valve assembly 83420 (Porcher 1 piece toilet) this part is no longer available so were can i find a part that fits on that toilet... Thanks in advance

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Posted on Jan 02, 2017

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SOURCE: flush valve

it is all one piece,replace it with the same model. a plumbing supply house is the only place you will find what you need.

Posted on Jul 15, 2009

  • 49 Answers

SOURCE: K3367 one pice toilet harmonic vibration

check your water preasure. it sounds like it's to high and you should adjust your prv

Posted on Sep 20, 2009

  • 82 Answers

SOURCE: Kohler 1-piece flush valve seal replacement.

That is a tricky one. Tighten the tabs, twist into place, then tighten a bit more. They are a pain in the a$$, but with patience you will get it done. Good luck

Posted on Dec 30, 2009

  • 1206 Answers

SOURCE: I have a Porcher one-piece toilet with a bad

if you are talking about the wax ring you remove the floor mounting bolts and replace the wax ring under it. first you want to shut water off then flush to empty tank and with a wet dry vac remove any water left . now you can remove it without any mess.

Posted on Jan 06, 2010

  • 86 Answers

SOURCE: My flushometer toilet will not stop flushing. The

Try checking the water pressure. If it has dropped too low then the valve will never re-seat properly. Ideally over 90 psi.

Posted on Apr 09, 2010

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1 Answer

Where can I get a Porcher L'Expression flush valve gasket?

I was in the same situation. Cost me $2.38 to fix. Ordered 12" x 12" rubber sheet from Sustainable Supply and made my own flush valve. Easier than I imagined. All I did was trace the old flush valve on to the sheet with a Sharpie and cut it out with a pair of scissors. Yep, it was that easy. I ordered the 1/32" sheet and it worked on the first try. I would order the 2/32" next time because my handmade flush valve is a little thinner than the original; however, it works perfectly. I was shocked. I had searched the Internet and called all places I found and then decided to give it a go on my own. Here are the works.

Sku: C1749648
Rubber, Buna-N, 1/32"Thick, 12"x12", 70A - 4070-1/32A

Jan 21, 2016 | Porcher 83420-00.000 L'Expression Toilet...

1 Answer

How do I replace a veneto flush piston in my toilet?

The piston sits inside the upper valve housing. The upper valve housing comes off by twisting the upper housing counter-clockwise. When you lift the valve housing out of the tank you will see the flush piston extruding from the bottom of the housing. The flush piston can be pulled out of the housing.. Yes, it just pulls out. And you just push the new piston in place.. Secure the valve assembly back into the tank by rotating the housing clock-wise.. Some Veneto toilets have two clips on the housing which secure the housing in place.

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1 Answer

I need a toilet seat replacement of Porcher Veneto Toilet. The part number is 70030-00-001 and I'm told by Porcher is no longer available. They say no other seat fits. Any ideas? Where to find

I had the same issue and basically called every single american standard distributor I could find. I finally found one! They had the gold hinges but I didnt care, it fits and works fine. Make sure you know the part number. I had a good salesperson that knew to look for any color hinge so I had a seat

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I need a replacement flapper for a St Thomas Creations enhanced height elongated 1 piece toilet

Did you try to find a replacement flapper by specifying the toilet model, or did you show them what you have? If this is not a power assisted flush toilet, there aren't that much difference between flappers. Worst case you could replace the whole flush valve assembly with a generic type.

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Porcher Toilet Lid Hinges are loose


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1 Answer

Where do I get porcher 83420


That particular model has been disontinued; however, you may want to contact Customer Service to see if there are any spare parts in stock.

Paul, ASB

Sep 20, 2011 | Porcher 83420-00.000 L'Expression Toilet...

1 Answer


either the fill valve is running and water is draining into the bowl via the overflow tube in the tank or the flapper is bad (or foreign matter) and it is allowing water to escape into the bowl through the flush valve slowly...causing the tank to drain and the fill valve to run every few minutes or so. start by inspecting/cleaning or replacing the flapper and hopefully that will do it because a one piece toilet flush valve needs a special wrench,to remove it, that you use with a ratchet. If you buy a new flush valve, it comes with the wrench (glorified piece of plastic) and is not too difficult to get the flush valve out. you can get a replacement at They do mail order, too. All you need is the toilet type - a four digit number embossed in the tank starting with a 2. hope this helps but if you need anything else just ask:)

Jul 29, 2011 | Porcher VENETO II One-Piece Toilet -...

1 Answer

Kohler 1-piece flush valve seal replacement.

That is a tricky one. Tighten the tabs, twist into place, then tighten a bit more. They are a pain in the a$$, but with patience you will get it done. Good luck

Dec 28, 2009 | Kohler K-3489 Cimarron Comfort Height...

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