This Assured Automation 2 wire single reed switch can be used with the WM-PC and WM-NLC mechanical water meters. When coupled with a digital pulse reader (like or line of KAL-D06 displays or the RCM), it's helpful when it's difficult or impossible to read usage results where the meter is physically installed (in a ceiling, crawl space, pit, renter's home, etc.). The switch comes in a length of approximately 5' and has an approximate life of 1 million pulses. You can extend this length by using additonal Thermastat wire. Installation into the meter is completed by simply screwing the switch into the face of the meter.
The WM-C-SRS pulse output switch attaches simply to the face of any WM series water meters from Flows.com. After the positioning pins are inserted into the holes in the lens, a single screw fastens it in place. You can't go wrong!
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Works as advertised. My meters are in a bad environment and these sensors fail every so often. Glad Flows carries the direct replacement. Price is good and service is great!