The M175/177 and the M182 are alternatives for the M178/179, which is no longer available.  

M178/179
   
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M178/179
The M178 timer is no longer available. However, MTS offers two very attractive alternatives that fit most of the same applications:

Click here to read about the features, benefits and specifications of the Model M175/177.

Click here to read about the features, benefits and specifications of the Model M182.