Coral box A-100, 3 years and never missed.
First check is optical.
Second is covered mechanical back up if first fails.
I added a multi timer, on every 2 hours for 2 minutes.
This ensures the fill, if both sensors failed would not overfill.
I paid $80 CDN.
First check is optical.
Second is covered mechanical back up if first fails.
I added a multi timer, on every 2 hours for 2 minutes.
This ensures the fill, if both sensors failed would not overfill.
I paid $80 CDN.