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Old 12-04-2021, 10:47 PM   #1
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Tecma Macerator toilet - back flow problem

What would cause some of the flushed water and ground up TP to flow back into the bowl about 5-10 seconds after the flush? And how do I repair it? Thanks for your help...
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Old 12-05-2021, 09:54 AM   #2
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Thetford Tecma Macerator toilet - backflow

Question: What would cause some of the flushed water and ground up TP to flow back into the bowl about 5-10 seconds after the flush? Any suggestions on how to repair it? Thanks for your help... I'm learning one system at a time.
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Old 12-05-2021, 11:37 AM   #3
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Worn out Joker valves. They are a maintenance item. Very easy to replace. I can change the 4 in my boat in minutes. depends on access
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Old 12-05-2021, 12:13 PM   #4
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TECMA Toilet doesn't use 'duck bills' (joker valves)
Toilet bowl goes to inlet of macerator which then discharges into a Loop Drain line that connects to waste tank

Backflow from macerator to toilet bowl ----check inlet to macerator for obstruction



Service Manual
See pg 3 Fig C.1
See pg 18
https://www.entegracoachforum.com/in...a=media;in=256
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Old 12-05-2021, 12:31 PM   #5
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Asked/answered in your post from yesterday
https://www.irv2.com/forums/f54/tecm...ml#post6006741
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