Draft from hole above boiler Gas Boiler. Is this needed to operate?

sonyvision

With the recent cold I found our kitchen to be colder then normal. I noticed a draft coming from under our boiler in a kitchen room pressure.

I removed the top of the pressure to see two spaces, one in the plaster board the other in the ceilling. We had the boiler replaced and he mentioned new pipers where required so I guess he could have left more holes and not bothered to seal it?.

There is a big draft coming from this space. My question. Is this ventilation required for safety operation of the boiler or can it be closed?. The boiler has an external flue running through the way which I thought was for air intake/exhaust. We have CO2 alarms in both kitcheh/sitting room.

Thank you in advance.

Doop

Sounds like the installer didn't bother to fill in around the flue as you have described (often the case). Get yourself a can of expanding foam and fill it hole in the external wall.

sonyvision

Doop wrote: »

Sounds like the installer didn't bother to fill in around the flue as you have described (often the case). Get yourself a can of expanding foam and fill it hole in the external wall.

Well it's not the flue! The flue is going through to the right (can't see it in the photo). The picture i have is the rad pipes going from the boiler through the wall

Calahonda52

sonyvision wrote: »

Well it's not the flue! The flue is going through to the right (can't see it in the photo). The picture i have is the rad pipes going from the boiler through the wall

What picture:(

loyatemu

sonyvision wrote: »

(can't see it in the photo)

I can't see anything in the photo!

sonyvision

sonyvision

Sorry!!. tried doing it from my phone didn't work on my first attempt. Hope it worked now

J.R.

Expanding foam is very messy to use overhead. The excess will just drip down into the boiler house.
I would pack that hole with fibreglass attic insulation.
Get a square of plasterboard.
I would just cut out the shape of the 2 pipes neatly and tightly plasterboard and then just blob on the plasterboard..........then you could fill in any tiny gaps around pipes with filler.

Fine Cheers

Good suggestion from JR. Can you access the pipes easily from the attic side ?
If so you could fix the plasterboard or similar first and then apply foam from attic side or just stuff with insulation.

mloc123

sonyvision wrote: »

Reminds me of our previous house... Who needs a drill or plasterboard saw when you have a hammer :pac:

sonyvision

Can't really get to it from the attic as it's over the kitchen extension. I have enough platser board, insulated board and tape 😂... the foam can wait!