What's this ? Connection to toilet inlet valve

long_b

Hi all,

I want to replace the inlet valve on a toilet cistern.
I'm completely clueless about plumbing mind but YouTube tells me it should be pretty doable.

What the heck is this connector that's attaching to the bottom of the current white plastic inlet valve ?

When I try to loosen A with an adjustable spanner everything below it rotates with it. I'm afraid it'll come out of a joint further down below (out of picture)

Should I be holding B with something at the same time ?

Any help appreciated !

listermint

That's an all in one quick fit fitting , qaulplex to 1/2 inch connector.

Any reason your changing it ? Is it causing a problem?

long_b

listermint wrote: »

That's an all in one quick fit fitting , qaulplex to 1/2 inch connector.

Any reason your changing it ? Is it causing a problem?

Thanks very much for the reply.

The cistern is filling really slowly.
Even after I remove the arm with the ballcock (at point A) there is only a very slow drip of water coming in to the cistern

Possibly might be some sort of filter at the bottom of the inlet valve ?
I have to get the thing off though to check it, is that right ?

listermint

If you've removed A and you have removed any mesh in line there then yes water should be coming out at a reasonable rate.

However it depends on the source of the water there. If it's shared with another source if it's close to the attic tank in terms of level.

Do you have poor or good pressure at the equivalent tap in that room is the tap off the attic tank.

Swapping the connector should have no bearing on the water rate it's very unlikely that there is any real blockage there would be very unusual.

long_b

listermint wrote: »

If you've removed A and you have removed any mesh in line there then yes water should be coming out at a reasonable rate.

However it depends on the source of the water there. If it's shared with another source if it's close to the attic tank in terms of level.

Do you have poor or good pressure at the equivalent tap in that room is the tap off the attic tank.

Swapping the connector should have no bearing on the water rate it's very unlikely that there is any real blockage there would be very unusual.

Thanks for that.

It's a in outside bathroom - there's a hand basin and a toilet fed off of a tank about 6 ft up.
The hand basin has good water pressure.
The toilet has never really had a good fill rate but it's much worse now.

How would I decouple the bottom of the inlet valve from the all in one fitting just for curiosity ? Do A and B in the first image move independently ?

my3cents

OP in your first picture if you push the green ring around the pipe back into the fitting it will release the pipe. You can do it with a pair of grips but easier with the correct disassembly tool which isn't expensive, Woodies normally have them.

Edit> To remove the screw threaded part hold the rest of the fitting in a pair of pipe grips, so you don't turn the pipe as you unscrew the nut.

If you dissemble the valve in the toilet you may find you have the high pressure nozzle fitted and may find that you can get a nozzle to replace it with that is much larger and for lower pressures like yours.

my3cents

Low V High pressure nozzle

Low https://www.toolstation.com/shop/Plumbing/d20/Washers+%26+Fixings/sd2703/Ball+Valve+Seating/p13802

High https://www.toolstation.com/shop/Plumbing/d20/Washers+%26+Fixings/sd2703/Ball+Valve+Seating/p89817

long_b

Thank you my3cents and listermint - your help is much appreciated!

Disconnected the valve - feck all water coming through from the water pipe.

That'll have to do me as an answer until the next time we need to get a plumber in.

lostboy75

My group water scheme is very hard water, one toilet has had to have a new water run added as the copper line to it was nearly fully closed by lime scale build up.
What's the water like in your area?

long_b

lostboy75 wrote: »

My group water scheme is very hard water, one toilet has had to have a new water run added as the copper line to it was nearly fully closed by lime scale build up.
What's the water like in your area?

Thanks for the suggestion.
It's not bad, no issues with build up in kettles or washing machines.

I'd say it's just a crap set up pipes wise, but they're built in behind the toilet.
It fills overnight, that'll do for now (it only gets used occasionally)

GreeBo

Where did you turn the water off before taking apart this pipe?

You might have a half closed valve somewhere.

long_b

GreeBo wrote: »

Where did you turn the water off before taking apart this pipe?

You might have a half closed valve somewhere.

Thanks for this - I'll check it out when I get a chance