
2of10 MN301200 RevA
INTRODUCTION/TABLEOFCONTENTS StepOne
The LV41 Series Sump Float is a mercury‐free mechanically actuated floating switch intended to activate
electrical components, usually pumps, to start and stop automatically. The LV41 series is perfect for simple
levelcontrolof liquids forfillingor draining reservoirs and tanks.Float switches suchastheLV41seriesare
the most universally used for pump automation, due to their high reliability, economical pricing, and easy
installation.
The LV42 Series Waste Water Sump Level Switch is a mercury‐free self counter‐weighted floating switch
designedfortheautomationofpumps,specificallyfillinganddrainingoftanks,wells,andreservoirs.TheLV42
seriesbodyisfreeofanyirregularitiesmakingitidealforuseinsewagewaterapplications.Thepolypropylene
body consists of a double airtight chamber with high‐pressure melted polypropylene re‐injection sealing to
ensureaperfectsealagainstinfiltration.
Counterweightsandcablehangersareavailabletosuitavariety
ofmountingapplications.
TableofContents
Introduction....................................................................................................................................2
Specifications..................................................................................................................................3
Cautions..............................................................................................................................3
Dimensions......................................................................................................................................4
Safety .............................................................................................................................................5
Components....................................................................................................................................6
Installation......................................................................................................................................7
InstallationofCounterWeight...........................................................................................7
Wiring.............................................................................................................................................8
NCWiring............................................................................................................................8
NO
Wiring............................................................................................................................8
Maintenance...................................................................................................................................9
CleaningProcedure.............................................................................................................9
Warranty,ReturnsandLimitations...............................................................................................10
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