It measures the pressure at which the hose will burst. We suggest not to use the hose at a pressure greater than one third of the burst pressure.
You must contact a plumber or your public water company to know the pressure of your home.
The warranty is valid starting from the purchase date and we do not require registration. We do suggest that you keep your receipt or box so that in the unlikely event you need to make a warranty claim, you will be able to tell us the exact model you own.
Each product page has a full list of applicable FAQs.