Valves in lounge floor

[yamahamark]

Morning all

After ripping up the carpet yesterday ready to put down laminate I have found two of these valves. I think they may be for the old heating system (house was built 1969) as there are other water pipes chopped off level with the concrete floor in the same room.

I would like to chop these ones level to the floor as well but didnt know if they might contain water or gas. As my plumbing skills are limited.im not sure how to check without getting into a predicament of unscrewing that square part right out and then ending up with a leak?

Any advice appreciated, thank you

 

[Chalked]

It's a service valve,

It should be on your hot or cold water. But could be heating and in extreme case, could be on gas ( though illegal).

If your unsure, get a local installer to cap it off. Tell them to bring a 15mm compression cap end.
Should take no more than 10 minutes.

 

[snowhead]

Has the new boiler been re-piped to all radiators?

Has the boiler location been moved?

If it was originally 60's chances are it had a gas back boiler in the fireplace in the lounge.


It's a lockshield, but still isolates something, but not Gas.

Brass Hose Union Lock Shield Gate Valve 15mm

 

[yamahamark]

Their are old disconnected pipes in the concrete floor at roughly the same positions as existing rads and afaik a totally new centralling heating system was installed about yr 2001.

I have left a voicemail this morning for the plumber i know but he is always really busy and will probably make me wait 2 or 3 weeks before he turns up. Therefore the wife may decapitate my head or cut off something else if i dont hurry up and get the laminate flooring down ( she has a disability so doesnt like a mess or things to trip her over).
However i cannot put the flooring down until at least the one lockshield valve is removed.

 

[snowhead]

Hacksaw through the part that is sticking up so it's level with the floor.

 

[ShaunCorbs]

Hacksaw through the part that is sticking up so it's level with the floor.

and hope there not containing water

 

[Rickster123]

Hacksaw through the part that is sticking up so it's level with the floor.

Or if you've got balls of steel get the grinder out the van.

 

[lame plumber]

could become very messy and interesting idc

 

[Simon F]

are we sure its an iso valve?
doesn't look to clear to me, whatever.
if you can get a screwdriver on the slot, give it a turn to find out if its connected.
if it is then hope that it will close..:ihih:
worth having a cap ready!

if it's not connected to anything then smash and cut at will.

 

[Noxer]

Its a Lockshield Gate valve isolation valve thats the gland nut and you put isle
Of man key in top.

Regards

 

[yamahamark]

Im going to undo both valves tomorrow if i dont hear from the plumber. If no water comes out of the drain pipe then i will try and open the valve nut on the body carefully and see if any water comes out.

 

[oz-plumber]

This sound as though it could be very interesting......keep us informed.

Do you have insurance to cover water damage?

 

[London Gas]

Just open it very slowly and be prepared for the worst!

 

[yamahamark]

Sorry for the late reply and keeping you all in suspenders! So update is that i opened both valves with a key and no water came out of the drain off pipe outside the house.
So i then managed to take the valve heads off with a deep socket and long bar (as i dont have balls of steel and didnt want to end up with water spurting everywhere if i had grinded them off and found them live.

Thanks to all for your help

 

[gassafe]

It's a service valve,
View attachment 22007
It should be on your hot or cold water. But could be heating and in extreme case, could be on gas ( though illegal).

If your unsure, get a local installer to cap it off. Tell them to bring a 15mm compression cap end.
Should take no more than 10 minutes.

10 minutes lol!