- Messages
- 5,073
Totally agree kop with the pan but does not need to be above the basin, on this one.Building regs Chris - my interpretation is if you have a sewerage back up you may not notice a boxed low fitted air addmitance valve leaking but a overspill from the toilet or basin will show immediately the valves should be visable and removable for maintenance above the spill over level for rodding access if its needed whether we agree or not we should all be fitting to the regulations . Cheers kop
1. Water finds its own level so if the stack blocked & you were silly enough to carry on using the basin it would over still the pan.
2. OP has fitted an anti-syphon trap to the basin which is below the overspill of the basin which is one of the reasons I don't like them.