However if a vertical flue is badly fitted then yes you could have a leak on your hands.
Boiler flue through conservatory roof.
Can a boiler flue go through a conservatory roof.
However to comply with the approved document j of the building regulations the flue still needs to rise a total height of at least 4 5m unless the appliance manufacturer specifies less.
Under the boiler flue position regulations the flue has to be positioned a certain distance from any parts of the home that can be opened up such as windows and doors.
The boiler or its flue as close to the conservatory as you re proposing to put the conservatory to the boiler flue then you or your conservatory builder would be in contravention of section 8.
Think of it this way.
However the boiler flue manufacturer s instructions are final so if there s nothing specific in the vertical flue kit installation manual then call the manufacturer for advice.
No boiler builder will allow to put a elbow out and then a vertical channel through the roof of the conservatory as the terminal would be too close to the wall of the house.
How far this is will depend on the size of your boiler but is typically between 30 60cm above below or to the side of an opening.
If everyone who installed a vertical boiler flue through a roof had to fix leaks right left and centre then no one would install them at all.
Especially if it s not sealed properly.