Bungalow bathroom fan, no external walls

[Zerax]

These work well, but you still need a 22mm pipe sloping downhill to somewhere it can drip.

But it's just overflow pipe... so very easy to work... if it can't be led out to a gutter, then it'll need to go via a fanny trap to the waste somewhere.

 

[Mike Johnson]

Or connected back to the shower extract point and drip into the shower tray and hence the tray waste?

 

[Zerax]

Or connected back to the shower extract point and drip into the shower tray and hence the tray waste?

Is that the French way ??

 

[timhoward]

Or connected back to the shower extract point and drip into the shower tray and hence the tray waste?

Funnily enough the first place I looked to drill out for the drain would have been over a neighbours hot tub....!
It's going to go into a gutter.
I'm all for creative ideas but recycling sweaty steam back into the very place it came from isn't quite ticking the box for me.

 

[Mike Johnson]

It's the only way to do it if you don't have access to a gutter or soil pipe, bonnet hipped roofs and soil pipe on the other side of the roofs.

 

[Mike Johnson]

I'm all for creative ideas but recycling sweaty steam back into the very place it came from isn't quite ticking the box for me.

Surely from the condensate trap it's only condensate water, no steam involved.

 

[Pretty Mouth]

Or connected back to the shower extract point and drip into the shower tray and hence the tray waste?

Not sure I understand what you're getting at Mike.

In my experience, the trap is usually fitted just above the ceiling grille, to catch all the condensation from the ducting above, and drain it somewhere where it won't be a problem (eg. to outside the property).

Your suggestion is to drain the condensation back through the ceiling grille? What would be the point of the condensation trap?

 

[brianmoooore]

The 150m2 of slate roof that I spent the first 'lockdown' replacing, had suffered multiple leaks for years, with at least a dozen bowls placed around inside the loft to catch the drips. After it had rained, there was varying quantities of water in these bowls, but after a week or so without rain, most of them would be bone dry.
I suspect that if something with a reasonable surface area, such as a washing up bowl, was placed in a reasonably well ventilated loft, so as to catch the drips from a condensate trap, its contents would evaporate faster than it filled.

 

[freddo]

I suspect that if something with a reasonable surface area, such as a washing up bowl, was placed in a reasonably well ventilated loft, so as to catch the drips from a condensate trap, its contents would evaporate faster than it filled.

And if not, you could run an overflow pipe from the washing up bowl to the gutter or similar.