placement of a rad

[ljgarrett]

i am due to put a rad in a bedroom .where she wants it is on the chimney breast with a real fire down stairs.my question is,there is a air vent on the breast which will be covered by the rad.is this allowed? many thanks lee

 

[REDSAW]

no. the heat from the rad will draw in the co2 from the chimney as it cools so giving those in bed a nasty headahce and you go to prison.

 

[GreenArmy]

What about if the chimney breast upstairs used to have a fireplace (so separate chimney flue from downstairs) that has been bricked up and vent fitted (to allow chimney to breve)? Surely you can fit a rad to this?

 

[ljgarrett]

now youve opened a real debate!

 

[WHPES]

No, it's going to interfere with the heat from the rad.

Choose another position for it.

 

[REDSAW]

What about if the chimney breast upstairs used to have a fireplace (so separate chimney flue from downstairs) that has been bricked up and vent fitted (to allow chimney to breve)? Surely you can fit a rad to this?

but thats just assuming?.
without knowing the stack arrangement we have to assume it is single.
either way loss of heat up the chimney, blocking ventillation is just 2 of them mark.
just cause some one wants to hide a ugly draughty air brick?.
stick it else-where i say and be safe.

 

[ljgarrett]

thanks

 

[Puddle]

What about if the chimney breast upstairs used to have a fireplace (so separate chimney flue from downstairs) that has been bricked up and vent fitted (to allow chimney to breve)? Surely you can fit a rad to this?

The chimney will be as said above,however you should still not fit a radiator to the breast,as the ventilation should be from room to chimney then out top of vented stack,if you fit radiator to breast this air flow could be reversed,through vent,as bottom of radiator will pull cold air through vent and draw damp,most air into chimney from stack opening,thus could cause damp in breast in winter time

 

[stevetheplumber]

personally i dont see a problem the air vent is there to keep a flow through the unused stack to keep it dry. Putting a rad infront is unlikley to stop the air flow as there a gap behind the rad ,if your that bothered move the vent up above the rad
Whats more likley to be a problem is the hearth in the floor which means cutting up for the pipe work or surface pipe work

 

[oldplumber]

The simple fact is hot air rises, the principle of a chimmney is the the hot air rises in it expel the poc. Having a rad in front of the vent can not cause any problems as the hot air will convect up the chimmney as well as round the room. Me thinks a few of us might like to reconsider our opinions here or else all our old coal fires would be sucking in cold air and not working.

I have several old chimmneys which are vented with rads in front of the vent which is only there to prevent condensation build up in the chimmney once its no longer used, and the rads help keep the moisture down and have in fact helped dry off an old chimmney breast that used to leach out the soot when it was really wet.

 

[doitmyself]

but thats just assuming?.
without knowing the stack arrangement we have to assume it is single.

Count the number of pots on the stack??

 

[stevetheplumber]

The simple fact is hot air rises, the principle of a chimmney is the the hot air rises in it expel the poc. Having a rad in front of the vent can not cause any problems as the hot air will convect up the chimmney as well as round the room. Me thinks a few of us might like to reconsider our opinions here or else all our old coal fires would be sucking in cold air and not working.

I have several old chimmneys which are vented with rads in front of the vent which is only there to prevent condensation build up in the chimmney once its no longer used, and the rads help keep the moisture down and have in fact helped dry off an old chimmney breast that used to leach out the soot when it was really wet.

good to see some sense on here much what i said just explained so much better

 

[REDSAW]

Count the number of pots on the stack??

wot!
from here?.

 

[Puddle]

The simple fact is hot air rises, the principle of a chimmney is the the hot air rises in it expel the poc. Having a rad in front of the vent can not cause any problems as the hot air will convect up the chimmney as well as round the room. Me thinks a few of us might like to reconsider our opinions here or else all our old coal fires would be sucking in cold air and not working.

I have several old chimmneys which are vented with rads in front of the vent which is only there to prevent condensation build up in the chimmney once its no longer used, and the rads help keep the moisture down and have in fact helped dry off an old chimmney breast that used to leach out the soot when it was really wet.

just coz I like being the bady sometimes

If the vent is at the bottom of radiator as said air will be pulled through vent,apart from problems mentioned,this will also increases the air changes in the room making radiator and thus system less efficient
As regards coal fires or any fires using a chimney,they indeed could have air sucked down chimney if a bigger heat sourse was next to them and operating at the same time,as the bigger heat sourse could over power the smaller one and could draw air in from the smaller fires chimney along with its burnt gass's into the room
if chimney swept before blocking up problem may noy be so bad with mosture pulled in,however if not do'nt forget soot if like a sponge and will soak up any mosture avalible