Generac 0A8637 MK3/MKIII Programmable Exerciser For GTS Transfer Switch

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  • $179.15
  • Regular price $202.99

The Generac MK3/MKIII Programmable Exerciser is a digital adjustable exercise timer that is commonly found in the Generac GTS Transfer Switches.  This is a direct replacement part. 

Also available is a retrofit adapter harness found here:

Generac 0C2347 MK3/MKIII Programmable Exerciser Retrofit Harness

Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.


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