Harvey Hv3 Water Softener Installation Manual [work] Jun 2026

Open the main stopcock slowly to check for leaks.

Proper salt management is essential for continued soft water production.

Note : If your home's water pressure exceeds 5.0 bar, you must install a before the softener to safeguard the inner shuttle valves and gears. Plumbing Layout & Drinking Water

Open a nearby cold tap to purge trapped air from the lines. The water may look discolored or milky initially; let it run until completely clear. harvey hv3 water softener installation manual

Hand-tighten the nuts, then give them an extra quarter-turn with a wrench. Do not over-tighten, as this can split the rubber washers. Step 5: Route the Drain and Overflow Lines

The Harvey HV3 is designed for use with block salt. Using granular or tablet salt can block the tray and cause problems with the brine valve, potentially leading to expensive repairs.

Close proximity to the main cold water incoming supply pipe. Open the main stopcock slowly to check for leaks

A piped bypass should be included so the unit can be isolated for maintenance. Non-Return Valve: Must be included in the incoming supply. The 3/8” drain tube must be connected via an air gap fitting to prevent siphoning. If water pressure is is less than or equal to 2 bar, the drain tube length should not exceed 3m.

The Harvey HV3 water softener installation manual dedicates an entire section to pre-installation planning. Do not skip this page. Here is what you need to confirm:

The (often referred to simply as the Harvey Cub or Block Salt Softener) is a twin-cylinder, non-electric softener. Because it uses block salt and operates via water pressure rather than electricity, the installation focuses heavily on plumbing logistics. Plumbing Layout & Drinking Water Open a nearby

It is good practice to run a water softener disinfectant fluid through the unit once a year to keep the resin beds free from bacteria buildup. If you want to tailor this guide further , tell me:

This article is an educational guide based on public documentation and best practices. Always refer to the original manufacturer’s manual for your specific unit’s serial number. If in doubt, consult a certified water treatment professional.

The final step in installing the Harvey HV3 water softener is to connect the power supply. Plug the system into a 120V power source and turn it on.

Turn off the main internal stopcock completely. Open the lowest hot and cold taps in the house to drain the residual water from the plumbing system. Step 2: Install the Bypass Valve Network