This summer I am planning on replacing the heating in my in-laws house. I'll bullet point it for easy reference.
Now I want to put a combi in, most likely will be a Baxi Duo-Tec 33 HEa. They're offering a 7 year parts and labour warranty and I work on them day in day out anyway, so know them inside out.
The house has a suspended floor downstairs, apart from the back room and kitchen which is concrete. There's no room for a wall hung boiler and the flue will not be suitable to be located where the current boiler is.
I have 3 options in my opinion.
Option 1 is to fit the boiler in the back room, which is single skin and currently has no heating in there. It's used as a utility and storage room. I can put the boiler in here, but the walls have the next door neighbours garden, the garage and a large window, so a horizontal flue is out the question, meaning it would have to be vertical out the flat roof. I haven't had any experience of fitting a vertical flue through a flat roof, how easy is it to do? It'll also look rubbish because all the pipework is going to have to run around the wall and it won't be easy to get it in to the ceiling space. Meaning lots if boxing in. I'm also concerned about the fixing of the boiler to the wall, the gap between the plasterboard and external wall is about 5".
Option 2 is to site the boiler in the loft. This would probably be the easiest, but may still require some boxing in of the gas, condense and flow and return. The thing I'm concerned about with this is that I'll have to build a hand rail, fit a loft ladder and board out the loft, which I'm not sure I will be able to fit a ladder in the gap above the hatch.
Option 3 is to fit the boiler in a bedroom and make a airing cupboard around it. My in-laws don't really want me to do this. But it is the easiest option in my opinion, apart from the condense pipe, which will also be an issue is the boiler goes in the loft, the soil stack is external.
Any opinions or help? I don't do any install work, I'm purely a repair engineer, so when it comes to stuff like this I feel a little lost.
Thanks in advance.
- Current system is an Ideal Mexico 2 OF floor standing boiler located in the kitchen.
- Gas pipe is 15mm and runs under concrete floor.
- System is a C plan, pumped, one pipe CH and a non-pumped DHW Cylinder.
- Cylinder is located in the loft, so there is no a/c.
- Rads are all in poor condition.
- Electric shower, no bath, so not a large consumption of hot water.
- Gas meter located in cupboard under stairs
Now I want to put a combi in, most likely will be a Baxi Duo-Tec 33 HEa. They're offering a 7 year parts and labour warranty and I work on them day in day out anyway, so know them inside out.
The house has a suspended floor downstairs, apart from the back room and kitchen which is concrete. There's no room for a wall hung boiler and the flue will not be suitable to be located where the current boiler is.
I have 3 options in my opinion.
Option 1 is to fit the boiler in the back room, which is single skin and currently has no heating in there. It's used as a utility and storage room. I can put the boiler in here, but the walls have the next door neighbours garden, the garage and a large window, so a horizontal flue is out the question, meaning it would have to be vertical out the flat roof. I haven't had any experience of fitting a vertical flue through a flat roof, how easy is it to do? It'll also look rubbish because all the pipework is going to have to run around the wall and it won't be easy to get it in to the ceiling space. Meaning lots if boxing in. I'm also concerned about the fixing of the boiler to the wall, the gap between the plasterboard and external wall is about 5".
Option 2 is to site the boiler in the loft. This would probably be the easiest, but may still require some boxing in of the gas, condense and flow and return. The thing I'm concerned about with this is that I'll have to build a hand rail, fit a loft ladder and board out the loft, which I'm not sure I will be able to fit a ladder in the gap above the hatch.
Option 3 is to fit the boiler in a bedroom and make a airing cupboard around it. My in-laws don't really want me to do this. But it is the easiest option in my opinion, apart from the condense pipe, which will also be an issue is the boiler goes in the loft, the soil stack is external.
Any opinions or help? I don't do any install work, I'm purely a repair engineer, so when it comes to stuff like this I feel a little lost.
Thanks in advance.