I have an annoying case of water hammer and really hoping for some help on how to solve it.
Due to a minor leak I replaced the flexible hoses under the bathroom sink recently, and this meant turning off the main stopcock, as the isolator tap is built in to the hose. Ive turned the stopcock off before without a problem but this time after turning the water back on there's been a vibrating bang every time a cold tap is turned off sharply. This is particularly annoying when our washer dryer is on dry mode, as for some reason it seems to quickly draw on water and turn off again. It's always done this but it's really annoying now.
Anyway I tried turning off the stopcock and turning on all taps last week. Then i turned the water back on and turned the taps off one by one. It fixed it and I thought that was the end of it. Until today, when I used the outside tap and the hammer was back. I realised I didn't include the outside tap when the stopcock was off so I tried again with all taps on, including outside this time, but after turning back on the supply and turning the taps off again, the hammer came back. I've tried 3 or 4 times tonight but still it persists. What else can I try?
Or if it comes to it, are those little air pressure valve things worth trying? How easy are they to fit? The only easily accessible copper pipework is upstairs in the bathroom, not sure if this matters.
Due to a minor leak I replaced the flexible hoses under the bathroom sink recently, and this meant turning off the main stopcock, as the isolator tap is built in to the hose. Ive turned the stopcock off before without a problem but this time after turning the water back on there's been a vibrating bang every time a cold tap is turned off sharply. This is particularly annoying when our washer dryer is on dry mode, as for some reason it seems to quickly draw on water and turn off again. It's always done this but it's really annoying now.
Anyway I tried turning off the stopcock and turning on all taps last week. Then i turned the water back on and turned the taps off one by one. It fixed it and I thought that was the end of it. Until today, when I used the outside tap and the hammer was back. I realised I didn't include the outside tap when the stopcock was off so I tried again with all taps on, including outside this time, but after turning back on the supply and turning the taps off again, the hammer came back. I've tried 3 or 4 times tonight but still it persists. What else can I try?
Or if it comes to it, are those little air pressure valve things worth trying? How easy are they to fit? The only easily accessible copper pipework is upstairs in the bathroom, not sure if this matters.
