Slow drainig toilet

[Jet48]

The syphon recently packed up in our toilet. *I replaced it with an Opella dual flush now the toilet
just fills up and drains slowly wether you use full flush or short flush its the same.The toilet is a close coupled
system when dismanteling it there was an object which is like funnel shaped fitting with a rod in the middle
poking up and hollow tube from the bottom of the fitting the whole thing was pushed in the outlet pipe of the
old syphon. On replacing the syphon I left this part out but when the toilet didn't drain very well I tried
refitting it but its made no differnce. I've managed to check through the toilet round the u bend and can't
find any obstructions.
I've now spent a week playing with this HELP any thoughts/advice greatly apreciated.
Thanks

 

[Alanc]

Sounds like you have fitted a standard siphon to a syphonic close coupled suite.

 

[Jet48]

Sounds like you have fitted a standard siphon to a syphonic close coupled suite.

Thanks can you point me in the right direction as to what I need to get to put it right.
Thanks,
Bob

 

[Alanc]

Do you have any details of the wc?
How high does the water sit in Bowl when unused for a period?

 

[Jet48]

Do you have any details of the wc?
How high does the water sit in Bowl when unused for a period?

The name on the cistern is Trent but I know this is a replacement as the original got broken.
The water level rises when flushed to just under the rim then drains slowly to slightly higher than what I would call a normal level.
When I put the funnel shaped thing (which I guess is the syphon) back in the comming out of the
cistern because it was that worn and brittle it started to break up so may not be making a very good seal. Also the stem which goes down into the pan should there be a sealing washer on it? as there was nothing.
Any ideas where I might get a new one and will it work with the Opella dual flush.
Many thanks,
Bob

 

[BLOD]

toolstation - syvac aspirator

 

[Jet48]

toolstation - syvac aspirator

Thanks I have purchased one of these and fitted it. But toilet still fills to just below the rim and slowly drains.
Any ideas why its not working.

 

[wetdrip]

Think your going to have to stick a video on here, or a you tube video link.
No, I'm not joking.

 

[Jet48]

Can anyone tell me when fitting the syvac aspirator do you have to
push fit the rubber washer into the hole in the pan to form a seal rather letting it
just sit the aspirator over the hole?
Thanks.

 

[acecharly]

Has something fell down through the systern into the pan restricting the water flow into it? Had the small extension part on the inlet valve which you can turn to Direct the flow come of once which blocked a pan up.

 

[BLOD]

Can anyone tell me when fitting the syvac aspirator do you have to
push fit the rubber washer into the hole in the pan to form a seal rather letting it
just sit the aspirator over the hole?
Thanks.

the small rubber donut should be making a seal against the pan - might take a couple of goes to get it positioned correctly

 

[Jet48]

Well I have finally cured it. What was causing the problem was that when I installed the syvac aspirator I left the rubber washer as it came partway up the stem.
I now pulled the washer down the stem with about 2mm overhang and reinstalled the cistern.
Hey presto it works, obviously the washer wasn't seating over the hole before to create a
Vaccum.
Many thanks to all on here who offered their assistance.