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The HM Digital 357A 1.5 V Button Cell Battery Replacement is the correct replacement for the following models:
The 357A (1.5v) Button Cell Battery Replacement is a battery replacement for your HM digital water monitor. This battery replacement will keep your HM TDS, TM, COM, and DM model working at its best.
HM Digital 1.5 V Button Cell Battery Replacement:
The HM 1.5 volt battery features a lifespan of 1 to 2 years, depending on usage. When used lightly, the 1.5 volt cell battery can last as long as 3 years. Your HM Digital TDS water monitor helps ensure that there are only safe levels of total dissolved solids in your water. Keep your water monitor working at peak performance witht he HM Digital 1.5v Button Cell battery.