Quick-Installation Installation Instructions Harwil: Flow & Level Switches ,Controller Q-Series Flow Switches Model Q-12 MODEL Q-10N Model Q-8 MODEL Q-8DS MODEL Q-5 MODEL Q-1 MODEL Q-4E MODEL Q-16 MODEL QT-12 L-Series Level Switches L-40N L-21N L-30N L-8N L-5N L-16N MODEL LT-40 Controllers MODEL LC-1 (Tank Level Control) Pump-Up / Pump-Down Wireless Rate this:SharingPrint & PDFEmailLinkedInTwitterLike this:Like Loading...