How to replace LS valve on sealed system

[Dee]

Hi

Do I have to drain the system to replace a valve on the tail or is there a workaround?

Plumber asking for £120....is that reasonable?

[marshian]

https://www.youtube.com/watch?v=eqf7A00XXTU

 

[Dee]

That's what I thought the only other option was!! 

I'll think about it

Thanks for the vid

[Dee]

Well, I did it! Saved 120 quid too.

No leaks, dead easy.....thanks @marshian

[Mr Punter]

Well done you!

[marshian]

  On 19/03/2025 at 13:15, Dee said:

Well, I did it! Saved 120 quid too.

No leaks, dead easy.....thanks @marshian

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Are all your rads on pipework above the skirting?

 

Only thinking back to your balancing issues it should be relatively easy to draw up a flow and return schematic?

 

[Dee]

@marshianWe@marshian

Surface mounted pipes on ground floor. Pipes under floors on floor.

I'm fairly confident I have the correct route by which everything heats up. Just have no idea why the two rads decided to stop working after months of trouble free heating.

[Dee]

@marshianWe@marshian

There's z bug di I can't delete your name.

Anyway, both rads are heating up again!

 

[Mr Punter]

  On 19/03/2025 at 17:52, Dee said:

@marshianWe@marshian

There's z bug di I can't delete your name.

Anyway, both rads are heating up again!

 

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Your plumbing skills may have advanced at the expense of your keyboard skills.

[marshian]

  On 19/03/2025 at 17:52, Dee said:

@marshianWe@marshian

There's z bug di I can't delete your name.

Anyway, both rads are heating up again!

 

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Don't worry about the bug @Dee @Dee I only get one notification no matter how many times you tag me

 

Now what did the lock shield valve look like internally - was the seat distorted or the actuator detached because I don't think the leak you wanted to fix was the issue with the rads heating..................

[marshian]

  On 19/03/2025 at 18:16, Mr Punter said:

 

Your plumbing skills may have advanced at the expense of your keyboard skills.

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Harsh but fair

 

[Nickfromwales]

  On 19/03/2025 at 17:52, Dee said:

@marshianWe@marshian

There's z bug di I can't delete your name.

Anyway, both rads are heating up again!

 

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That one is staying for all eternity..... 👍

[Nickfromwales]

  On 19/03/2025 at 00:15, marshian said:

https://www.youtube.com/watch?v=eqf7A00XXTU

 

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Old gold, and exactly how we used to do it. Lost count of how many outside taps and stopcocks I did the same way, but got a LOT wetter when it was mains pressure lol. Great vid.

[marshian]

  On 19/03/2025 at 22:49, Nickfromwales said:

Old gold, and exactly how we used to do it. Lost count of how many outside taps and stopcocks I did the same way, but got a LOT wetter when it was mains pressure lol. Great vid.

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I believe it's called "old skool" but yes it works and you do have to be a bit quick and accurate - I'm not brave enough to do a stopcock this way but I did do an outside tap once because the street shut off valve was 15 inches deep in dirty smelly water 🙂

 

I'll save @SteamyTea the job of posting this 😉 

 

 

[marshian]

  On 19/03/2025 at 22:48, Nickfromwales said:

That one is staying for all eternity..... 👍

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Again a little harsh but fair

 

[Nickfromwales]

  On 19/03/2025 at 22:58, marshian said:

 

Again a little harsh but fair

 

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@Dee is a big enough fish now, and swims confidently in these waters....  

[Dee]

  On 19/03/2025 at 23:03, Nickfromwales said:

is a big enough fish now, and swims confidently in these waters....  

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There was barely enough water to paddle never mind swim 😀....would never attempt it in a carpeted room though! And I was much much faster than Gene Wilder!!