Flexible drain hose wanted

[pamela]

My portable air con unit comes with a push-on 12mm PVC drain hose. Where can I get a more flexible hose than the slightly stiff ordinary clear PVC hose that came with the unit?

This hose only carries about 1 litre of water in 10 hours, so I wonder if I could get a sort of extra flexible ribbon-type hose. I saw something like a bit of tube made from what looked like flimsy polythene sheeting fitted as part of a lavatory ballcock overflow into the cistern water. I wonder if I can buy something like that?

[Tim Lamb]

In message , pamela writes

Google flexible electrical conduit. I think Speedfit do a 15mm version which might adapt with a jubilee clip.

[Bob Minchin]

I would not advise it. With only a dribble of water now and then and at near zero pressure a flat hose could easily block and condensate tray overflow indoors or activate the cut off switch that some have. You need a pipe rigid enough to stay open by itself and resist kinking on any bends.

[Tim+]

Would silicone hose do? Thicker walled but available in many diameters.

[newshound]

Or there is this stuff, corrugated, 12 mm bore

I wouldn't consider flat hose, for the same reasons as above.

[pamela]

Bob raises a good point about drainage. Either the silicone rubber hose Tim mentioned or the corrugated one you mentioned seem a good solution.

Now that I have the right search terms from your suggestion, it turns out there's a corrugated hose especially for air con units although all the ones Amazon and EBay offer are from Hong Kong!

[newshound]

Stuff from Hong Kong is usually faster than the advertised time, but if it is urgent the place I listed has always been OK when I have used them.