profilux p4

Selling my GHL controller. P4 was purchased in 2020, KH Director and Doser 2.1 SA was purchased in 2021. I bought the Maxi Doser used last year and never set it up. Everything works and turns as shown. Probes are original and you'll most likely want to replace them. The KH Director has a pH...

This is for the black P4 controller only - no probes. Power supply and USB cable provided. This works fine and has been disconnected from GHL Cloud. No problems and very little use on this. I had my main controller lose a temperature port and I had to send it in for repairs. Repairs were going...