Connect the hose from the softener's outlet port back to your "soft" water internal plumbing.
-inch drain tube to a convenient drain via an air gap fitting to prevent back-siphonage. harvey hv3 water softener installation manual free
Connect the overflow hose to the side spigot; this line must run downhill through an outside wall and remain unrestricted . Connect the hose from the softener's outlet port
Connect a separate hose to the overflow barb on the side of the cabinet. This should be run through an outside wall so that any cabinet leaks are visible outside, preventing indoor flooding. Step 4: Commissioning the Unit Connect a separate hose to the overflow barb
Connect the "In" port of the softener to the mains water supply after the bypass valve.
Cut the rising main and install three valves: an inlet valve, an outlet valve, and a central bypass valve. This allows you to isolate the softener for maintenance without cutting off the home's water supply.