Turn your main property stopcock back on slowly. Check for leaks around your new plumbing joints.
Note: If your mains pressure exceeds 5.5 Bar, install a pressure reducing valve (PRV) upstream. 2. Location Conditions
Install the Harvey high-pressure bypass valve. This allows you to bypass the softener for maintenance or if you need hard water for gardening. Ensure the arrows on the valve indicate the correct water flow direction. Step 4: Connect the Hoses
The Harvey HV3 requires a three-valve bypass system. This allows you to isolate the water softener for maintenance or moving house without shutting off the main water supply to your entire home. The Three-Valve Bypass Configuration Controls hard water entering the softener.
Keep the inlet and outlet valves , and open the bypass valve. This allows you to turn the main water supply back on to check for leaks in your new plumbing joints without flooding the unconnected softener. Step 4: Connect the Hoses to the Softener harvey hv3 water softener installation manual
The Harvey HV3 uses a twin-cylinder system, meaning one cylinder softens water while the other regenerates using brine.
This typically includes the softener, a bypass valve, two braided flexible hoses (inlet and outlet), a drain hose, and an overflow hose.
Install the between the inlet and outlet T-junctions.
| Problem | Likely Cause | Fix | |---------|--------------|-----| | No regeneration | Low water pressure | Check pressure >1.4 bar | | Hard water leaking through | Bypass open or internal seal failure | Check bypass; call Harvey | | Water runs to drain constantly | Dirt in piston or damaged seal | Clean valve; replace seal | | Brine tank overflows | Stuck float valve | Clean or replace float assembly | | Salty taste in water | Blend valve too closed or low pressure | Open bypass slightly | Turn your main property stopcock back on slowly
The where you are fitting the unit (under the sink, in a garage, etc.) Your measured incoming water pressure
: Fit a three-valve bypass manifold (Inlet, Outlet, and Bypass valves) into the main water line. Connect Hoses : Remove red plastic caps from the unit's ports.
Based on user experiences and expert The Water Boy feedback, here is how the installation guidance stacks up: :
I searched for the official but could not locate a direct PDF link from a verified source (Harvey’s main site currently highlights the HV2 and HV4 models). Ensure the arrows on the valve indicate the
Check all joints, hoses, and fittings on the back of the unit immediately for leaks. Slowly open the .
Apply food-grade silicone grease to the O-rings before pushing the bypass valve fully into the valve head. Hand-tighten the Quick Connect Toolless Connectors until they're fully seated.
Perform a manual regeneration by turning the central white button/screw clockwise until it clicks to ensure the cycle functions correctly. UK Water Softeners Smart Features (myHarvey i-Lid) If your unit includes the for salt monitoring: WATER SOFTENER INSTALLATION GUIDE
For loft installations, the drain outlet should be taken back down into the house and connected appropriately to the waste system.
Installing the Harvey HV3 water softener requires careful planning and attention to detail. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of soft, mineral-free water. Remember to regularly maintain and troubleshoot the water softener to ensure optimal performance.
