The HV3 has a marked and OUT on the valve head.
However, the key to unlocking its performance lies in one critical document: the . This article serves as a complete, detailed walkthrough of that manual, covering everything from pre-installation checks to post-installation testing, troubleshooting, and maintenance tips. harvey hv3 water softener installation manual
The Harvey HV3 is a unique, non-electric, twin-cylinder water softener known for its reliability and efficiency. Because it has no timers or computers, installation differs from standard softeners. Follow this guide carefully to ensure leak-free performance and correct regeneration. Complete Installation Guide for the Harvey HV3 Water