why is the WC filling slow?

J

joeread

I have just fitted a new WC with a drop valve, the water used to fill up really quick but now it takes 5mins and the WC is only 6leters?

thank you
 
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try taking the valve off and removing the flow restrictor in the thread :)
 
Is the water supply to the WC mains pressure or fed from a low pressure gravity system?

Is the fill valve intended for use on mains pressure or a low pressure system?

Some fill valves are fitted with alternative internal parts to match the water supply pressure.
 
its a low pressure gravity system, how could i tell if the syphan is made for low level or high level? i dont have any instruction manuals

thank you
 
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It will be inside the end of the connections for the water feed....the thread.
 
its a low pressure gravity system, how could i tell if the syphan is made for low level or high level? i dont have any instruction manuals

thank you

its not the syphon which is causing the prob, it is the ballvalve, or inlet valve, which will either have a blockage from dirt in the filter, or it will have the wrong oriface or it has an inline flow restrictor
 

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