Co/co2 ratio

[jaydebruyne]

View attachment 25605

What book is this from?

 

[dancinplumba]

What book is this from?

Haha can't remember

 

[c.gas]

Seems to be a bit of confusion over this so there ya go.

Its been this for ages
Lifted from TB 126

That's for a condensing boiler

 

[dancinplumba]

Why would you fga a standard efficiency boiler ? Unless the mi's request it naturally

 

[c.gas]

Why would you fga a standard efficiency boiler ? Unless the mi's request it naturally

Piece of mind and force of habit

 

[newcastle phill]

That's for a condensing boiler

Ive no idea about what boiler it is on about. Just posted this.
I always follow MI so never need this Tb

 

[jaydebruyne]

Why would you fga a standard efficiency boiler ? Unless the mi's request it naturally

Why wouldn't you?

 

[dancinplumba]

Why wouldn't you?

Is it required ?

 

[jaydebruyne]

Is it required ?

I thought it was required for all gas appliances with a flue to ensure its burning correctly..

 

[Leo21]

Why wouldn't you?

Because it wasn't designed to be tested, it'll be room sealed anyway, and your just looking for trouble?

 

[jaydebruyne]

Because it wasn't designed to be tested, it'll be room sealed anyway, and your just looking for trouble?

Looking for trouble covers about 80% of my daily diary lol

 

[Leo21]

I thought it was required for my gas appliance with a flue to ensure it burning correctly..

Nope, flame picture, burner pressure and gas rating.

 

[jaydebruyne]

Nope, flame picture, burner pressure and gas rating.

Ok.. Well you've taught me something new 😉 cheers Leo

 

[julesverne]

That's because your book is correct

I disagree post up the page.
The action level is 0.004 (means it needs a service or otherwise)regardless of make or age unless MI's state otherwise.
Im happy to be proved wrong unless you can prove otherwise with an upto date book.

Hence i would be looking at dancins book

 

[newcastle phill]

Vipers got various charts and tables for action levels for all sorts of appliances. Anyone got a viper handy ??

 

[jaydebruyne]

I disagree post up the page.
The action level is 0.004 (means it needs a service or otherwise)regardless of make or age unless MI's state otherwise.
Im happy to be proved wrong unless you can prove otherwise with an upto date book.

Hence i would be looking at dancins book

For some reason I can't upload a picture :/ but it's from Gas Installation Technology by R D Treloar

 

[c.gas]

 

[c.gas]

Sorry 1st one not very clear

 

[c.gas]

Picture not very clear when I post it although it is when I take it

 

[jaydebruyne]

In my viper it states 0.0008 too

 

[c.gas]

Last try. This is from NICEIC CITB Domestic Gas Safety On Site Guide.

 

[julesverne]

I think we will have to agree to disagree as image below is from tech bulletin 143.
I would trust a technical bulletin over viper everyday of the week.

 

[julesverne]

Flowchart from tb 143

 

[plumben]

Vipers got various charts and tables for action levels for all sorts of appliances. Anyone got a viper handy ??

Mines on the dash of my van its too cold out

 

[c.gas]

I think we will View attachment 25611have to agree to disagree as image below is from tech bulletin 143.
I would trust a technical bulletin over viper everyday of the week.

this technical bulletin is only for commissioning a condensing boiler incorporating an air/gas ratio valve