What he ended up with was a water level sensor made from PVC pipe and a few other components. The physical assembly is pretty simple. The whole structure is made from 1/2″ PVC pipe and fittings ...

The sensor unit itself incorporates a motion-sensing ... electrical cable to a communications unit – the latter takes the form of a sealed PVC pipe tower containing a microprocessor, batteries ...

Yet, because of its relatively low cost, PVC – polyvinyl chloride – has become a popular option for communities replacing old drinking water pipes and, in particular, the lead pipes and ...