Can you vent a boiler through a chimney?

definitely NO, you have to run the boiler manufacturers flue all the way out, checking the installation instructions on flue lengths number of bends and the termination of the flue, who ever is installing this boiler, GAS SAFE REGISTERED INSTALLER WILL BE ABLE TO ADVISE YOU ON THE BOILER AND THE INSTALLATION.

Can I redirect my boiler flue?





Your boiler flue pipe is considered part of your boiler system and it is illegal and dangerous for anybody other than a qualified, registered engineer to make any alterations.

Where should a boiler flue be placed?

The boiler flue terminal should be positioned away from doors, windows or other openings. There should be a space of at least 300mm above, below or to the side of any opening. Harmful gases should be properly expelled from the property, so they cannot re-enter.

Can a boiler flue go through the roof?

Boiler vertical flue regulations



Vertical flues rise from the top of the boiler. They can travel through flat roofs or walls at higher points.

Does a boiler flue have to be straight?

Does a boiler flue have to be straight? Best practice is to install boiler flues that are as short and straight as possible to maximise efficiency. Nevertheless, some boiler models allow for longer boiler flues which sometimes require bends. The number of bends allowed depends on the length of flue allowed.

Can a boiler flue run horizontally?





Boiler flues carry out the same job no matter whether they’re installed horizontally or vertically. And that job is to release waste gases produced by the boiler ensuring they don’t leak into the home.

How do you fit a boiler flue to a roof?

Quote from the video:
Quote from Youtube video: So what we're going to do is going to cut the plate. And we're going to cut a hole in the roof. So we can get the fluid. So it's easy to do. Well you know being the slate's not that thick.

How far does a flue need to be above a roof?

The minimum chimney height recommended for minimum performance of wood burning and multi fuel appliances is 4.5 m from the top of the appliance to the top of the chimney. It is best to position the chimney, so that it goes straight up as near to the roof ridge as possible.

Can boiler flue have bend?

Where bends are required, they should be configured in such a way so that the flue has as little bends as possible and must not be so acute that they cannot freely allow the gases to escape. For this reason, bends should be angled at 45 degrees as a minimum.

Should a boiler flue pointing upwards?



Flue position



Typically this is around 30-60cm if it’s to the side or above the opening, and a bit more if it’s below. This is because the waste generated by combustion can include dangerous gasses like carbon monoxide, so you don’t want that waste gas too close to an opening where it might re-enter the home.

How many bends can you have in a flue?

A chimney cannot have more than four bends and no bend can be more than 45 degrees (except if you use a 90 degree “T” off the rear of the stove).

How far should a boiler flue stick out?

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. 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.

Can a boiler flue be boxed in?



No person shall connect a gas appliance to a flue which is surrounded by an enclosure, unless that enclosure is so sealed that any spillage of products of combustion cannot pass from the enclosure to any room or internal space other than the room or internal space in which the appliance is installed.

How do I hide my boiler flue?

A simple curtain can be used to cover the unsightly pipes below your boiler. A spring-loaded curtain rod will allow you to hang the curtain without drilling into any walls. Then you can hang a curtain made from a fabric that matches the rest of your kitchen.

Can you install boiler flue from inside?

An installer can stay safely inside the property, core drill the wall, slip a FlueSnug through the hole and fit the flue. No other materials have to be used to seal the hole around the flue other than the FlueSnug itself.

What are the regulations for a boiler flue?

What are the regulations around boiler flue?

  • 300mm away from an opening window or air vent.
  • 25mm below guttering, drain pipes or soil pipes.
  • 300mm above ground, roof or balcony level.
  • 2,000mm below a Velux window.
  • 1,200mm from an opening, such as a door or window, into the home.

What’s the difference between open flue and room sealed?



Plant rooms will require less ventilation than open flue systems, and with reduced air flow, warmer room temperatures are possible – a useful point when designing tighter buildings. Room sealed appliances reduce the risk of flue gases spilling back into the plantroom due to poor flue operating conditions.