| ♥ 0 | I have a K12 unit which is showing F1 sensor failure. I take it this sensor is installed below the tiled floor? Does this mean the floor will need taking up to fix? Marked as spam Add comment |
| ♥ 0 | I have a K12 unit which is showing F1 sensor failure. I take it this sensor is installed below the tiled floor? Does this mean the floor will need taking up to fix? Marked as spam Asked on November 1, 2019 7:00 am 516 views Add comment |