Harvey Hv3 Water Softener Installation Manual |top| Jun 2026

: Connect the 3/8” drain tube via an air gap fitting to a suitable drain. Ensure the drain line has a minimum 20mm air gap to prevent back-siphonage.

Harvey HV3 Water Softener , official installation guides emphasize following WRAS guidelines harvey hv3 water softener installation manual

Avoid areas prone to freezing or excessive heat. 3. Plumbing the Bypass Set-up : Connect the 3/8” drain tube via an

If you have just purchased a Harvey HV3 water softener—or are considering one—you already know that this twin-cylinder, non-electric unit is one of the most respected water softeners on the market. Known for its simplicity, reliability, and lack of complex electronics, the HV3 is a favorite among homeowners who want soft water without high maintenance costs. and lack of complex electronics