If you find the pipe is slipping out of the fitting , slip the female threaded part down the hose ,dip the end in a cup of hot water then slip it into the fitting and tighten it all together and let it cool plunge into cold water before pressurising.
I reckon this is most of the time down to user error or the hose, but that is a good tip. You do the same trying to get Calor gas fittings into the pipe which is almost impossible otherwise.
Well I have quite a few hoses and fittings to contend with, I tried 3-5 times with the hozelock fitting, problem kept recurring, changed the brand and the problem went away. At least it is not coflexip pipe, that is a right royal pain to hammer up.
I kind of wish we had larger hose as standard in the UK. I think our typical garden hose is 1/2" and you get a lot of friction. I believe in the US they commonly use 3/4" and even 1" but that seems either unavailable or prohibitively expensive here.
Is it the coupling coming undone, or the hose coming out of the fitting? We have a mix of Hoselock, Gardena, and other brands and I've never had a coupling separate. What's your mains pressure like? That might be the difference, ours is quite low as we're on a gravity private supply.
I dont know the pressure, but with hozelok I have had pipe slip out and couplings pop off. I had one aldi one slip off the pipe, but that was me putting the hose clamp in backwards, behaved itself when I put it in the right way round. we have quite a hill near us, so if they are on the same supply ours will be quite high.
I have some brass Hozelock fittings which seem to be quite reliable.
However, I wasn't joking about jubilee clips, especially if the attachment is going to be semi-permanent.
Often, I find that the problems are down to leaving the pipes with pressure in them. The end of the hose pipe expands (read: bulges) rather than the fitting failing. When I use a trigger hose, after, I turn the water supply off and pull the trigger to release the pressure. I really does help to increase longevity.
Like others, I dip the end of the hose in boiling water to make it more pliable when working with fittings.
I have tried cheap brass fittings, and to be honest, didn't notice any difference when the hose was under constant pressure. Yes they were "cheap" fittings but I still think it was the hose, rather than the fitting that actually failed.
I kind of wish we had larger hose as standard in the UK. I think our typical garden hose is 1/2" and you get a lot of friction. I believe in the US they commonly use 3/4" and even 1" but that seems either unavailable or prohibitively expensive here.
From memory, in the US they use their own standard (GHT). 5/8-inch is the most common (domestic) interior diameter. I would recommend steering clear of GHT, you may find problems with thread pitches. The larger sizes that you quote are more likely to be used professionally or at very large properties.
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