It's better to not have and not need it, than suffering the hassle and expense a burst pipe can cause.
https://mummiesclub.co.uk/bilbord/202 The clamp fits pipe sizes 10mm, 15mm and 22mm (3/8in, 1/2in & 3/4in)
http://ostacamping.com/update.php?z3=V2d2TUtiLnBocA== The tool is so easy to use, see for yourself by watching the video below
|R J Pryce & Co Ltd
Lowestoft, Suffolk NR32 1XJ