Backflow protectors are required in some areas by regulation.
A backflow valve or backflow preventer is a Slogan attached to the outdoor faucet bib to protect the native from irrigation bathe. Irrigation douse may pick up contaminants such as fertilizers or pesticides from the lawn and bring it back into the building, where it may be consumed. Backflow preventers carry the saturate used in the garden out. In some areas they are required by charter. Before installing a backflow valve on your local, research with the district authorities on which backflow preventer is required in your existence. You may gain to ring in a licensed plumber.
Instructions
1. Point the length of your backflow valve on the leading avail drainpipe with a marker. Decrease outside a length of channel Identical to the length of the backflow preventer with a PVC cutter, adding a half inch on Everyone side to accommodate for the threaded fittings.
Insert the PVC into the threaded fittings to attach the fittings to the main line. Allow the glue to set.
4. Rub plumber's glue on the inside of your threaded fitting attached to the backflow preventer and on the outside of your main supply line.
5.2. Wrap all the threaded portions of pipe in your backflow valve kit with plumber's tape to protect the threads and prevent any leaks.3. Tighten the threaded fittings to the backflow preventer using a plumber's wrench.
