Smallfry
HE's Spartacus.
- Messages
- 1,209
- Location
- Kent UK
I need to relocate a gas combi boiler, and as there is absolutely no direct access to either an internal or external downhill drain point, I need a solution.
I want to get this drain sorted before getting the guys in to connect it all up. I am trying, if at all possible, is to avoid using a condensate pump, as its something else in the way, and something else to go wrong. I have got some of the floorboards up, but as is usual, the joists run the wrong way to make it easy.
It is a suspended floor, with about 30 cm between the bottom of the joists and the rough concrete overlay. Just to make it even easier, the builders have left at least half a skipful of debris down there
So I thought of this ........
As most installation instructions show a U trap in the discharge pipe, I thought that if I dropped the pipe down from the boiler, through the floor to just below the bottom of the joists, then run the pipe 2.6 metres horizontally, then come back up through a bathroom floor, alongside a basin drain pipe, then 90 degrees to tap into this pipe. My thinking being the horizontal run under the floor, will effectively be the bottom of the "U".
The bottom of the boiler is 163 cm from the floor, and the discharge point would be 10cm from the same floor level, plus the thickness of the floorboards and joists in both cases. I know this will mean that there will always be water in this pipe, so would need to be very well insulated, and I am not sure if solvent welded joints are up to constant immersion, but it should work OK as a drain.
I thought I could also install a provision to connect a hose, in order to rinse out any sediment now and again, and maybe install a bottle trap in the downpipe to minimise any sediment.
What does the panel think ? It is unconventional, but I am pretty sure it will work. Even with a pump, it would have to go the same route.
I want to get this drain sorted before getting the guys in to connect it all up. I am trying, if at all possible, is to avoid using a condensate pump, as its something else in the way, and something else to go wrong. I have got some of the floorboards up, but as is usual, the joists run the wrong way to make it easy.
It is a suspended floor, with about 30 cm between the bottom of the joists and the rough concrete overlay. Just to make it even easier, the builders have left at least half a skipful of debris down there
So I thought of this ........
As most installation instructions show a U trap in the discharge pipe, I thought that if I dropped the pipe down from the boiler, through the floor to just below the bottom of the joists, then run the pipe 2.6 metres horizontally, then come back up through a bathroom floor, alongside a basin drain pipe, then 90 degrees to tap into this pipe. My thinking being the horizontal run under the floor, will effectively be the bottom of the "U".
The bottom of the boiler is 163 cm from the floor, and the discharge point would be 10cm from the same floor level, plus the thickness of the floorboards and joists in both cases. I know this will mean that there will always be water in this pipe, so would need to be very well insulated, and I am not sure if solvent welded joints are up to constant immersion, but it should work OK as a drain.
I thought I could also install a provision to connect a hose, in order to rinse out any sediment now and again, and maybe install a bottle trap in the downpipe to minimise any sediment.
What does the panel think ? It is unconventional, but I am pretty sure it will work. Even with a pump, it would have to go the same route.