What are the building regulations as regards plumbing a macerator toilet waste into a shower waste pipe?
There are no building regulations with respect to installing a macerator toilet other than part c of the electrical code. This calls for a qualified electrician to install any new electric spurs that are required to run the pump. However if you have a convenient power point, plug socket etc you can install the unit yourself. The waste water from the toilet needs to go to a convenient foul water drain, you can use the shower pipe but you will need to install a non return valve or an anti syphon fitting in the pipe work of the shower to stop the toilet water from returning up the drain of the shower.
I don’t know, but you better ask a plumber for help as I once did when I had a similar problem with floor crack repair. Finding plumbers next to me was a difficult task for me and other homeowners, especially in emergency situations. A plumber has a skill that we don’t have, and that’s why he is a must have in our difficult times. Today I am going to share an experienced and professional plumber from Etobicoke Plumbing Services who helped me in my problem and thanks to the skill of which I still have no problems with plumbing
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You need to consult a specialist before installing. This information seems correct, but there may be some nuances of the structure of the trumpet of this mechanism. Without a professional look, you will not find it. My brother had this situation. He decided to save money and, together with a friend, replace the shower pipe. It ended up at great expense. The plumber from here https://www.wilcoplumbing.com.au/blocked-drains-sydney/ was necessary to eliminate the sewer system blockage that arose due to improper installation. I think it’s not worth the tiredness and time spent. It is better to do everything at once qualitatively.