All,
We have an old soil pipe stack which has an inner diameter of 90mm. I presume it is a pitch fibre soil pipe (it's not cast iron).
I have been down the local plumbers' merchants and sourced a suitable pan connector, namely a McAlpine WC-CON7B.
The toilet outlet is around 30mm higher, (now that flooring and tiles have been laid), than the soil pipe, hence why this pan connector has been suggested, as it has a 14 degree offset.
Anyways, my question is around the connection to the soil pipe. Looking at the soil pipe, the inside surface appears to be very rough and I would question how well the rubber fins would seal against this. I presume normal practise would be to cut down the pan connector so that the rubber fin would sit at the end of the connector and then the rubber seal would be pushed level or just below the soil pipe. Looking down the soil pipe, it runs straight for a good 400mm or more before bending down and to the right. So for added robustness, I'm questioning whether I need to cut down the connector at all; leaving it longer would mean anything traveling down it would be well passed the end of the soil pipe and unless there's a blockage (connector end would be no where near the bend in the soil pipe) then gravity would prevent anything from trying to get passed the rubber fins. The soil pipe has a good decline on it. I realise the rubber fins are also there to seal against smells so am thinking I could add an additional seal; one at the end as usual on the connector and one further up that sits level just below the soil pipe.
Is this doable? Hope I have explained it well enough. Can you even buy additional rubber finned seals for 90mm pipes?
Anyone any thoughts on this or any other suggestions?
Thanks in advance,
Daz
We have an old soil pipe stack which has an inner diameter of 90mm. I presume it is a pitch fibre soil pipe (it's not cast iron).
I have been down the local plumbers' merchants and sourced a suitable pan connector, namely a McAlpine WC-CON7B.
The toilet outlet is around 30mm higher, (now that flooring and tiles have been laid), than the soil pipe, hence why this pan connector has been suggested, as it has a 14 degree offset.
Anyways, my question is around the connection to the soil pipe. Looking at the soil pipe, the inside surface appears to be very rough and I would question how well the rubber fins would seal against this. I presume normal practise would be to cut down the pan connector so that the rubber fin would sit at the end of the connector and then the rubber seal would be pushed level or just below the soil pipe. Looking down the soil pipe, it runs straight for a good 400mm or more before bending down and to the right. So for added robustness, I'm questioning whether I need to cut down the connector at all; leaving it longer would mean anything traveling down it would be well passed the end of the soil pipe and unless there's a blockage (connector end would be no where near the bend in the soil pipe) then gravity would prevent anything from trying to get passed the rubber fins. The soil pipe has a good decline on it. I realise the rubber fins are also there to seal against smells so am thinking I could add an additional seal; one at the end as usual on the connector and one further up that sits level just below the soil pipe.
Is this doable? Hope I have explained it well enough. Can you even buy additional rubber finned seals for 90mm pipes?
Anyone any thoughts on this or any other suggestions?
Thanks in advance,
Daz