clack

I recently had my plumber (aug 2018) install a Marlo water softener Model MCV-30-K. I've had problems with this since day 1. The main issue has been that sometimes the brine tank is full. Happens probably every other regeneration. Originally I thought was debris in the injector assembly, so...

I am not getting any brine draw from my brine tank. For troubleshooting, I eliminated the brine tank and its valves by putting the 2 ft brine line into a bucket of water. When I do a regeneration, there is no suction during any of the cycles and in fact there is water coming into the bucket...