Worcester junior 28i (non condense)

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spanner

spanner

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Hi guys weekends here again..
Got a junior 28i about 12 year old boiler
The pressure is constantly topping up!
With or without the filling loop key .
The client has gone away until next week and not going to do any further work until they return and have left no number to contact whilst away and left me the door keys.. haaa.. this sounds fishy.
Getting back to the issue
The prv is discharging and when isolated obviously no hot water ( few drips and drabs from the hot outlet) but still pressure will gradually build up on the gauge?
Few things is ISO letting by??
Either the internal fillig loop letting by??
OR a hole in the PHE( plate heat exchanger) calorifier constantly building up and discharges through PRV??
Also a banging kettling noise when working on central heating ( this I think would be the constant induction of fresh mains water scaled up in the exchanger causing a blockage, the constant bang bang".
I'm thinking of just applying a " DO NOT USE lable filling out A C12
Would i be correct to issue this and assist the boiler is unsafe to use?
Switch off?
If anyone has this advise would be grateful thanks.
1st thing - Tightness test was succesful.
 
Hi spanner, to me it sounds very fishy.
I would not have kept they keys because very often they will blame you once there are back that the scenarios you describe didn't happen before. Then you are trapped, just because they want you to fix it for free.
It sounds to me the internal filling loop letting by.

However, I'd be careful with taking someone's keys it could end badly.

I cannot give you a answer about labelling as I am not gas safe yet.

Perhaps @ShaunCorbs @king of pipes @rpm they could help you out.
 
Matchless.plumb said:
Hi spanner, to me it sounds very fishy.
I would not have kept they keys because very often they will blame you once there are back that the scenarios you describe didn't happen before. Then you are trapped, just because they want you to fix it for free.
It sounds to me the internal filling loop letting by.

However, I'd be careful with taking someone's keys it could end badly.

I cannot give you a answer about labelling as I am not gas safe yet.

Perhaps @ShaunCorbs @king of pipes @rpm they could help you out.
Click to expand...
Is the internal loop the white key type? If so is th key removed as if it is it cannot pass
 
Turn the water mains off and open a hot tap does the boiler system pressure drop ?
 
Your both on the ball today just about to move it and two notifications pop up :D
 
Harvest Fields said:
Is the internal loop the white key type? If so is th key removed as if it is it cannot pass
Click to expand...
Yep the white built in internal key
Weren't to hand
Has to get one from spares
I'm on hold until they get back.
Been there before with hijacked appliance owners.
 
Cheers mate
No drips from loop
Had to attain another key as there weren't one there.
Have put the danger do use label on it.
Filled in a CP12
Wait till they get back.
Surely the cost of the repair is going to be outstanding.
 
spanner said:
Cheers mate
No drips from loop
Had to attain another key as there weren't one there.
Have put the danger do use label on it.
Filled in a CP12
Wait till they get back.
Surely the cost of the repair is going to be outstanding.
Click to expand...

why a danger label?
 
Loud banging within the heat exchanger so far...
And that stands as.
Still need them present to ask about the hot water outlet and colour
 
Was asking about this issue earlier..!!
 
spanner said:
Loud banging within the heat exchanger so far...
And that stands as.
Still need them present to ask about the hot water outlet and colour
Click to expand...

and how does that mean its unsafe ?
 
Waters off at the moment.
When it's back on and they're present I can carry out the rest of the investigation.
Personally the the noise coming from it is not right and I'd class it as a do not use.
Until the fault is rectified for their safety and others..
 
Yep flow and returns are open
Cold water isolated at the moment
 
is the heat exchanger ribbed?
 
Ain't removed chamber cover yet
 
Talk about removing.
I'm not even going there.
As far as I've seen it's enough
These people should be back tomorrow.
And as far as things go
I'm not going to assist it in any way.
They can get another engineer to do what's required.
Whether a replacement or repair.
 
Not complete
Its tightness tested only and as far as the issue with the discharging of the prv and banging..
Or have I filled out the wrong form ..??
 
are you training or fully gas safe?
 
Its the only form u have other than the hot water G3 sheet
 
Fully gas safe.
 
For your information the 28i doesn't have a Plate heat exchanger, just had a similar problem with one of these found a blockage in the flexi pipe between the pump and expansion tank, & its a pig to get at
 
Cheers mate.
Will scroll through
So which form would you USE
For this task??
 
jtsplumbing said:
For your information the 28i doesn't have a Plate heat exchanger, just had a similar problem with one of these found a blockage in the flexi pipe between the pump and expansion tank, & its a pig to get at
Click to expand...
Sounds like a job in itself..
Looks ok from the outside at the moment
 
ShaunCorbs said:
non as its not a ar or id issue
Click to expand...
Well I'll add a label to do not use to cover myself.
Until I can get to understand the Go ahead the owners the goods can stay right where it is mate.
Until then.
Been here before with people trying to get one over on you
Especially when when they're over 5 or 10 year
 
spanner said:
Well I'll add a label to do not use to cover myself.
Until I can get to understand the Go ahead the owners the goods can stay right where it is mate.
Until then.
Been here before with people trying to get one over on you
Especially when when they're over 5 or 10 year
Click to expand...

fyi you can get brought in and put on probation from gas safe by wrongly classing fault (ar / id)
 
Well I never thought of that.
When Is explained to gas safe today over the access and the situation to cover myself
Was told if I'm not going to investigate it'd be a cause for concern to label it do not use.
I've said this before
When they're back I can ask more questions and get answers
 
My probation was over years ago.
Don't know whether these people are used to banging noises and the neighbours. But if I weren't an engineer personally I'd turn off my own boiler or appliances for my own safety and the safety of others around until I could get a qualified person or persons assistance.
 
ShaunCorbs said:
fyi you can get brought in and put on probation from gas safe by wrongly classing fault (ar / id)
Click to expand...
Quite Honestly I would not even go there.
If you are in a household with no one present you'll have no option but to stick a label.
Otherwise things are never done.
And personally this is where the cowboys come in through the back doors.
I've been a plumber over ten years and registered gas safe for the past three.
 
spanner said:
Quite Honestly I would not even go there.
If you are in a household with no one present you'll have no option but to stick a label.
Otherwise things are never done.
And personally this is where the cowboys come in through the back doors.
I've been a plumber over ten years and registered gas safe for the past three.
Click to expand...

but the thing is you didnt do your checks you cant turn a boiler off because you dont like the sound or look of it unless theres something wrong with it eg falling off a wall, no flue etc
 
I Disagree with you. There are further issues just as I've tried to be as explicit as I 1st quoted
Needed advise
So I've turned it off regardless
Issued a label.
Its safe..
 
If there is a banging noise from the HE I wouldn't class that as anything, if for any reason you cannot do the basic checks after working on it i.e cant analyse, gas rate, test fsd etc, then I would potentially at risk it as you cannot confirm its safe, but if you can and it sounds like a plumbing issue, I would just note it down and advise not to use it, essentially you're classing that appliance as immediately dangerous without knowing the reason?
 
In regards to being at fault whether they call out anotger engineer or not
Quite obviously as far as ive entered im not happy with a banging boiler and a discharging prv
That's more than enough for me .
I'm not one of these type to be hanging new boileres on walls when it comes to faults.
Yes they are back today
 
So I'm potentially at fault for not checking burner press gas rate fsd
If the boiler is discharging and banging and there's no one present that's fine to be stripping down the job finding faults and replacing part or parts until they return
Get the job done and expect cash.
 
Yes you are at fault for classing a boiler as ar without doing any tests just because it's making a noise and prv blowing off
 
How.
You must be nuts
If I've seen a boiler and taken into account it's noisy
Turned it off
Stuck a label on it.
This is for the attention and safety of covering my bum
The owner is back now and as far as it is at the moment
Its a noisy boiler and what I had assumed .
The water in the calorifier is letting water into the heating circuit
Tap isolator is letting by when off
Causing the boiler when switched off to keep pressurising
The tap water immediately came out rusty a water category 5
To replace the part is £300 and a basket of a job to do.
Plus
A banging heat exchanger
A p0werflush- is this gonna solve the issue .. I don't think so.
Personally I don't think you're taking it seriously enough Shaun.
 
Phone gas safe up and tell them that and ask ar or id they will laugh at you

Thoughts guys ?
 
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