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Back flow check valve on toilet outlet pipe

Postby Enze » Mon Jan 14, 2008 4:37 pm

I live in ground floor flat in a block of 3 storeys. I had a sewage back flow when main sewers were blocked due to solids down the toilets. I want to install a check valve to prevent back flow. As I don't know the sewage pipe routing for the building I want to install the check valve in the toilet next to the pan.
Can someone suggest the best type of check valve for this purpose (it needs to be compact). Also maybe suppliers or fitters who can provide this type of valve.
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Simply Build It

Postby rosebery » Tue Jan 15, 2008 2:35 pm

With respect that's not a good plan.

Q What happens if the check valve fails shut?

A You flush and get your own back!

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