Baxi Burnall open fire and vent requirements

ChewyLuey

In a holiday home sitting room I have a Baxi Burnall Open fire that was installed when the house was built in the 1970s.

The fire takes its air source from a 4 inch pipe which is plumbed to an outside wall. Can anyone tell me for sure if the design of this fire means that no other vents need to be retrofitted in the room and the piped air source is all that's required? Anything I can find online seems to indicate this without being too definitive about it.

There is no other vent in the room and the windows are not fitted with trickle vents so I want to be sure the piped outside air source is sufficient.

This is the kind of stuff I've read online which leads me to believe no other vent is required:

Obtaining a Draught for the Fire
Instead of drawing air from the room, the Burnall Fire relies on air from under the floor to burn its fuel. When installing the fire you need to provide a source of air via underfloor pipes.


Any one have any input on this? Thanks a lot

ChewyLuey

Any one have any experience of this type of fire?

dathi

http://www.housing.gov.ie/housing/building-standards/tgd-part-j-heat-producing-appliances/technical-guidance-document-tgd

yes it still needs a permanent vent ie. one that cannot be closed