pakeller3 years ago-101Is this pipe frost-proof - i.e. don't I have to bury it 80 cm deep?Show in original language (German)Philou3 years ago • purchased this product000purchased this product Helpful answerI buried my pipe 30cm deep and to protect it from freezing, I simply installed a drain valve at the lowest point of the pipe. This way the hose drains after each use.Gardena Drain Valve Kit (Set)Show in original language (French)Comment1 comment