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- 27 Oct 2020
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I've just installed a new flush valve and noticed after I finished that the instructions say "IMPORTANT: DO NOT use plumbing sealing compounds". This is written above the address of the company, not within the instructions themselves.
At this point I wasn't up to taking it all apart and trying to remove all the Plumber's Mait from the large rubber washer. Does anybody know the reason you shouldn't use 'plumbing sealing compounds'?
I used Plumber's Mait on the old flush valve too, and I suddenly remembered that the instructions back then also said the same thing, but this was only written as an afterthought, outside of the main instructions themselves, and I thought exactly the same thing - I'm not taking it all apart again! If they had any sense they would include the notice about plumbing compounds within the instructions, where it tells you to "ensure the 10mm internal seal washer is on the thread shank first".
The previous flush valve wasn't working well - it might not flush all the way down, or if it did flush all the way down, it would often stick and would continue to flush, until you fiddled with the handle. Could this be caused by an accumulation of Plumber's Mait residue in the water in the cistern? I don't know.
At this point I wasn't up to taking it all apart and trying to remove all the Plumber's Mait from the large rubber washer. Does anybody know the reason you shouldn't use 'plumbing sealing compounds'?
I used Plumber's Mait on the old flush valve too, and I suddenly remembered that the instructions back then also said the same thing, but this was only written as an afterthought, outside of the main instructions themselves, and I thought exactly the same thing - I'm not taking it all apart again! If they had any sense they would include the notice about plumbing compounds within the instructions, where it tells you to "ensure the 10mm internal seal washer is on the thread shank first".
The previous flush valve wasn't working well - it might not flush all the way down, or if it did flush all the way down, it would often stick and would continue to flush, until you fiddled with the handle. Could this be caused by an accumulation of Plumber's Mait residue in the water in the cistern? I don't know.