We purchased your excellent kits for anti-fouling our NOELEX 30 yacht using two transducers (New Marine Ultrasonic Anti-Fouling Unit, May-June 2017; siliconchip.com.au/Series/312l. They were assembled and installed, then switched on December 3rd, 2017. They have operated continuously, except for the odd time when they were inadvertently switched off by mistake, usually for only a few minutes each time.
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