Just wanted inform those who have or are looking to use the Smart ATO by Autoaqua.com.tw . To check the sensor magnet.
Just refinished re-plumbing my sump and decided to clean everything real well. Low and behold, the internal sensor eye magnet is starting to rust around the seam.
Just refinished re-plumbing my sump and decided to clean everything real well. Low and behold, the internal sensor eye magnet is starting to rust around the seam.

